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46 transmitters and receivers are directly compatible with popular industry-standard connectors: st, sma, sc and fc. they are completely specified with multiple fiber sizes; including 50/125 m m, 62.5/125 m m, 100/ 140 m m, and 200 m m. complete evaluation kits are available for st and sma product offerings; including transmitter, receiver, connectored cable, and technical literature. in addition, st and sma connectored cables are available for evaluation. low cost, miniature fiber optic components with st ? , sma, sc and fc ports technical data HFBR-0400 series features ? meets ieee 802.3 ethernet and 802.5 token ring standards ? low cost transmitters and receivers ? choice of st ? , sma, sc or fc ports ? 820 nm wavelength technology ? signal rates up to 175 megabaud ? link distances up to 4 km ? specified with 50/125 m m, 62.5/125 m m, 100/140 m m, and 200 m m hcs ? fiber ? repeatable st connections within 0.2 db typical ? unique optical port design for efficient coupling ? auto-insertable and wave solderable ? no board mounting hard- ware required ? wide operating temperature range -40 c to 85 c ? algaas emitters 100% burn-in ensures high reliability ? conductive port option with the sma and st threaded port styles applications ? local area networks ? computer to peripheral links ? computer monitor links ? digital cross connect links ? central office switch/pbx links ? video links ? modems and multiplexers ? suitable for tempest systems ? industrial control links description the HFBR-0400 series of compo- nents is designed to provide cost effective, high performance fiber optic communication links for information systems and industrial applications with link distances of up to 4 kilometers. with the hfbr-24x6, the 125 mhz analog receiver, data rates of up to 175 megabaud are attainable. st ? is a registered trademark of at&t. hcs ? is a registered trademark of the spectran corporation. 5965-1655e (1/97)
47 HFBR-0400 series part number guide hfbr x4xxaa 1 = transmitter option t (threaded port option) 2 = receiver option c (conductive port receiver option) option m (metal port option) 4 = 820 nm transmitter and option k (kinked lead option) receiver products ta = square pinout/straight lead tb = square pinout/bent leads 0 = sma, housed ha = diamond pinout/straight leads 1 = st, housed hb = diamond pinout/bent leads 2 = fc, housed e = sc, housed 2 = tx, standard power 3 = sma port, 90 deg. bent leads 4 = tx, high power 4 = st port, 90 deg. bent leads 2 = rx, 5 mbd, ttl output 5 = sma port, straight leads 6 = rx, 125 mhz, analog output 6 = st port, straight leads link selection guide data rate (mbd) distance (m) transmitter receiver fiber size ( m m) evaluation kit 5 1500 hfbr-14x2 hfbr-24x2 200 hcs n/a 5 2000 hfbr-14x4 hfbr-24x2 62.5/125 hfbr-04x0 20 2700 hfbr-14x4 hfbr-24x6 62.5/125 hfbr-0414, hfbr-0463 32 2200 hfbr-14x4 hfbr-24x6 62.5/125 hfbr-0414 55 1400 hfbr-14x4 hfbr-24x6 62.5/125 hfbr-0414 125 700 hfbr-14x4 hfbr-24x6 62.5/125 hfbr-0416 155 600 hfbr-14x4 hfbr-24x6 62.5/125 hfbr-0416 175 500 hfbr-14x4 hfbr-24x6 62.5/125 hfbr-0416 for additional information on specific links see the following individual link descriptions. distances measured over temperatur e range from 0 to 70 c. applications support guide this section gives the designer information necessary to use the HFBR-0400 series components to make a functional fiber-optic transceiver. hp offers a wide selection of evaluation kits for hands-on experience with fiber- optic products as well as a wide application literature title description HFBR-0400 series transmitter & receiver reliability data reliability data application bulletin 73 low cost fiber optic transmitter & receiver interface circuits application bulletin 78 low cost fiber optic links for digital applications up to 155 mbd application note 1038 complete fiber solutions for ieee 802.3 foirl, 10base-fb and 10 base-fl application note 1065 complete solutions for ieee 802.5j fiber-optic token ring application note 1073 hfbr-0319 test fixture for 1x9 fiber optic transceivers application note 1086 optical fiber interconnections in telecommunication products range of application notes com- plete with circuit diagrams and board layouts. furthermore, hps application support group is always ready to assist with any design consideration.
48 HFBR-0400 series evaluation kits hfbr-0410 st evaluation kit contains the following : ? one hfbr-1412 transmitter ? one hfbr-2412 five megabaud ttl receiver ? three meters of st connec- tored 62.5/125 ( m m fiber optic cable with low cost plastic ferrules. ? related literature hfbr-0414 st evaluation kit includes additional components to interface to the transmitter and receiver as well as the pcb to reduce design time. contains the following: ? one hfbr-1414t transmitter ? one hfbr-2416t receiver ? three meters of st connec- tored 62.5/125 m m fiber optic cable ? printed circuit board ? ml-4622 cp data quantizer ? 74actllooon led driver ? lt1016cn8 comparator ? 4.7 m h inductor ? related literature HFBR-0400 sma evaluation kit contains the following : ? one hfbr-1402 transmitter ? one hfbr-2402 five megabaud ttl receiver ? two meters of sma connectored 1000 m m plastic optical fiber ? related literature hfbr-0416 evaluation kit contains the following: ? one fully assembled 1x9 transceiver board for 155 mbd evaluation including: -hfbr-1414 transmitter -hfbr-2416 receiver -circuitry ? related literature hfbr-0463 ethernet mau evaluation kit contains the following: ? one fully assembled media attachment unit (mau) board which includes: -hfbr-1414 transmitter -hfbr-2416 receiver -hfbr-4663 ic ? related literature note: cable not included. order hfbr-bxs010 seperately (2 pieces) package and handling information package information all HFBR-0400 series transmitters and receivers are housed in a low-cost, dual-inline package that is made of high strength, heat resistant, chem- ically resistant, and ul 94v-o flame retardant ultem ? (plastic (ul file #e121562). the transmitters are easily identified by the light grey color connector port. the receivers are easily identified by the dark grey color connector port. (black color for conductive port.) the package is designed for auto-insertion and wave soldering so it is ideal for high volume production applications. handling and design information each part comes with a protective port cap or plug covering the optics. these caps/plugs will vary by port style. when soldering, it is advisable to leave the protec- tive cap on the unit to keep the optics clean. good system performance requires clean port optics and cable ferrules to avoid obstructing the optical path. clean compressed air often is sufficient to remove particles of dirt; methanol on a cotton swab also works well. recommended chemicals for cleaning/degreasing HFBR-0400 products alcohols: methyl, isopropyl, isobutyl. aliphatics: hexane, heptane, other: soap solution, naphtha. do not use partially halogenated hydrocarbons such as 1,1.1 trichloroethane, ketones such as mek, acetone, chloroform, ethyl acetate, methylene dichloride, phenol, methylene chloride, or n-methylpyrolldone. also, hp does not recommend the use of cleaners that use halogenated hydrocarbons because of their potential environmental harm. ultem ? is a registered trademark of the ge corporation.
49 mechanical dimensions HFBR-0400 sma series hfbr-x43x hfbr-x45x hfbr-x40x 13.2 (052) 2.5 (0.10) dia note 2 note: all dimensions in millimetres and (inches). 13.0 (0.51) 2.0 (0.08) 9.1 (0.36) 7.1 (0.28) part marking .46 (0.018) yy ww 4.1 (0.16) 1/4 - 36 uns 2a thread 8.6 (0.34) dia 12 3 4 dia pin circle 7.1 (0.28) dia yy ww 2.5 (0.10) 7.1 (0.28) typ note 2 8.6 (0.34) dia 2.5 (0.10) dia pin circle 12 3 4 0.46 (0.018) dia typ 4.8 (0.19) 2.3 (0.09) 2.0 (0.08) 4.1 (0.16) 2.5 (0.10) 3.0 (0.12) typ typ typ typ 7.1 (0.28) dia 13.0 (0.51) part marking 1/4 - 36 uns 2a thread 3.6 (0.14) min 6.35 (0.25) 2.54 (0.10) 3.81 (0.15) 6.4 (0.25) dia 12.7 (0.50) 12.7 (0.50) 22.2 (0.87) 5.1 (0.20) 10.2 (0.40) 3.6 (0.14) 1.27 (0.05) 2.54 (0.10) pins 1,4,5,8 0.51 x 0.38 (0.020 x 0.015) pins 2,3,6,7 0.46 (0.018) dia. 8 1 3 5 2 4 6 7 pin no. 1 indicator 1/4 - 36 uns 2a thread rx/tx country of origin hp yyww hfbr-x40x
50 mechanical dimensions HFBR-0400 st series hfbr-x44x hfbr-x46x hfbr-x41x 13.2 (0.52) 2.5 (0.10) dia pin circle 8.6 (0.34) pin dia note 2 dia note: all dimensions in millimetres and (inches). 18.6 (0.73) 7.0 (0.28) 7.1 (0.28) 7.1 (0.28) 2.o (0.08) 0.46 (0.018) 2 1 3 4 8.2 (0.32) 9.1 (0.36) dia dia x-yww part marking 2.5 (0.10) 7.1 (0.28) 3.6 (0.14) typ note 2 dia 2.5 (0.10) dia pin circle 12 3 4 0.46 (0.018) pin dia 4.9 (0.19) 2.4 (0.09) 2.0 (0.08) 7.0 (0.28) 3.0 (0.12) 2.5 (0.10) typ typ typ typ 7.1 (0.28) dia 18.6 (0.73) 8.6 (0.34) min 8.2 8.2 (0.32) dia x-yww part marking 6.35 (0.25) 2.54 (0.10) 3.81 (0.15) 7.0 (0.28) dia 12.7 (0.50) 12.7 (0.50) 27.2 (1.07) 5.1 (0.20) 10.2 (0.40) 3.6 (0.14) 8.2 (0.32) 1.27 (0.05) 2.54 (0.10) pins 1,4,5,8 0.51 x 0.38 (0.020 x 0.015) pins 2,3,6,7 0.46 (0.018) dia 8 13 5 2 4 6 7 pin no. 1 indicator rx/tx country of origin hp yyww hfbr-x41x
51 mechanical dimensions HFBR-0400t threaded st series hfbr-x44xt hfbr-x46xt hfbr-x41xt 8 1 3 5 24 6 7 dia. 2.54 (0.10) 3.81 (0.15) 7.1 (0.28) dia 12.7 (0.50) 12.7 (0.50) 27.2 (1.07) pin no. 1 indicator 6.35 (0.25) 5.1 (0.20) 10.2 (0.40) 3.6 (0.14) 8.4 (0.33) 1.27 (0.05) 2.54 (0.10) 7.6 (0.30) 5.1 (0.20) pins 1,4,5,8 0.51 x 0.38 (0.020 x 0.015) pins 2,3,6,7 0.46 (0.018) dia 3/8 - 32 unef - 2a rx/tx country of origin hp yyww hfbr-x41xt 7.6 (0.30) across thread flats 8.4 (0.33) 4.9 (0.19) 2.4 (0.09) 2.0 (0.08) 4.1 (0.16) 3.0 (0.12) 2.5 (0.10) 2.5 (0.10) 7.1 (0.28) 3.6 (0.14) typ min typ typ typ typ 7.1 (0.28) dia 5.1 (0.20) 18.5 (0.73) yy ww 3/8 - 32 unef - 2a thread 0.46 (0.018) pin dia note 2 8.6 (0.34) dia 2.5 (0.10) dia pin circle 12 3 4 part marking 0.46 (0.018) 7.1 (0.28) pin dia note 2 2.5 (0.10) dia pin circle 8.4 (0.33) 7.6 (0.30) across thread flats 5.1 (0.20) 18.5 (0.73) yy ww 3/8 - 32 unef - 2a thread 13.2 (0.52) 2.0 (0.08) 9.1 (0.36) 4.1 (0.16) 8.6 (0.34) dia 12 3 4 part marking
52 mechanical dimensions HFBR-0400 fc series mechanical dimensions HFBR-0400 sc series 3.81 (0.15) 12.7 (0.50) 12.7 (0.50) 5.1 (0.20) 8 1 3 5 24 6 7 pin no. 1 indicator 7.9 (0.31) 2.5 (0.10) m8 x 0.75 6g thread (metric) 2.5 (0.10) 3.6 (0.14) 19.6 (0.77) 10.2 (0.40) rx/tx country of origin hp yyww hfbr-x42x hfbr-x4ex 28.65 (1.128) 15.95 (0.628) 10.0 (0.394) 12.7 (0.500) rx/tx country of origin hp yyww hfbr-x4ex
53 figure 1. HFBR-0400 st series cross-sectional view. panel mount hardware port cap hardware hfbr-4402: 500 sma port caps hfbr-4120: 500 st port plugs (120 psi) hfbr-4412: 500 fc port caps hfbr-4417: 500 sc port plugs housing connector port header epoxy backfill port grounding path insert led or detector ic lens?phere (on transmitters only) lens?indow 7.87 (0.310) typ dia 0.14 (0.005) 1.65 (0.065) 1/4 ?36 unef 2b thread hex-nut dia 6.61 (0.260) washer 7,87 (0.310) 14.27 (0.563) typ dia 10.41 (0.410) max dia 0.46 (0.018) 1.65 (0.065) 3/8 ?32 unef- 2b thread hex-nut dia 12.70 (0.50) washer hfbr-4401: for sma ports hfbr-4411: for st ports (each hfbr-4401 and hfbr-4411 kit consists of 100 nuts and 100 washers.) 3/8 - 32 unef - 2a threading 0.2 in. wall washer nut 1 thread available rx/tx country of origin hp yyww hfbr-x40x date code part number
54 options in addition to the various port styles available for the hfbr- 0400 series products, there are also several extra options that can be ordered. to order an option, simply place the corre- sponding option number at the end of the part number. for instance, a metal-port option sma receiver would be hfbr-2406m. you can add any number of options in series at the end of a part number. please contact your local sales office for further information or browse hps fiber optics home page at http:// www.hp.com/go/fiber option t (threaded port option) ? allows st style port com- ponents to be panel mounted. ? compatible with all current makes of st multimode connectors ? mechanical dimensions are compliant with mil-std- 83522/13 ? maximum wall thickness when using nuts and washers from the hfbr-4411 hardware kit is 2.8 mm (0.11 inch) ? available on all st ports option c (conductive port receiver option) ? designed to withstand electro- static discharge (esd) of 25kv to the port ? significantly reduces effect of electromagnetic interference (emi) on receiver sensitivity ? allows designer to separate the signal and conductive port grounds ? recommended for use in noisy environments ? available on sma and threaded st port style receivers only option m (metal port option) ? nickel plated aluminum con- nector receptacle ? designed to withstand electro- static discharge (esd) of 15kv to the port ? significantly reduces effect of electromagnetic interference (emi) on receiver sensitivity ? allows designer to separate the signal and metal port grounds ? recommended for use in very noisy environments ? available on sma, fc, st, and threaded st ports option k (kinked lead option) ? grounded outside 4 leads are kinked ? allows components to stay anchored in the pcb during wave solder and aqueous wash processes options ta, tb, ha, hb (active device mount options) (these options are unrelated to the threaded port option t.) ? all metal, panel mountable package with a 3 or 4 pin receptacle end ? available for hfbr-14x4, 24x2 and 24x6 components ? choose from diamond or square pinout, straight or bent leads adm picture ? ta = square pinout/straight leads tb = square pinout/bent leads ha = diamond pinout/straight leads hb = diamond pinout/bent leads duplex option in addition to the standard options, some HFBR-0400 series products come in a duplex con- figuration with the transmitter on the left and the receiver on the right. this option was designed for ergonomic and efficient manufacturing. the following part numbers are available in the duplex option: hfbr-5414 (duplex st) hfbr-5414t (duplex threaded st) hfbr-54e4 (duplex sc) 45 36 27 36 27 18 45 18
55 typical link data HFBR-0400 series description the following technical data is taken from 4 popular links using the HFBR-0400 series: the 5 mbd link, ethernet 20 mbd link, token ring 32 mbd link, and the 155 mbd link. the data given corresponds to transceiver solu- tions combining the HFBR-0400 series components and various recommended transceiver design circuits using off-the-shelf electrical components. this data is meant to be regarded as an example of typical link perform- ance for a given design and does not call out any link limitations. please refer to the appropriate application note given for each link to obtain more information. 5 mbd link (hfbr-14xx/24x2) link performance -40 c to +85 c unless otherwise specified parameter symbol min. typ. max. units conditions reference optical power budget opb 50 4.2 9.6 db hfbr-14x4/24x2 note 1 with 50/125 m m fiber na = 0.2 optical power budget opb 62.5 8.0 15 db hfbr-14x4/24x2 note 1 with 62.5/125 m m fiber na = 0.27 optical power budget opb 100 8.0 15 db hfbr-14x2/24x2 note 1 with 100/140 m m fiber na = 0.30 optical power budget opb 200 12 20 db hfbr-14x2/24x2 note 1 with 200 m m fiber na = 0.37 date rate synchronous dc 5 mbd note 2 asynchronous dc 2.5 mbd note 3, fig. 7 propagation delay t plh 72 ns t a = 25 c, figs. 6, 7, 8 low to high p r = -21 dbm peak propagation delay t phl 46 ns high to low system pulse width t plh -t phl 26 ns fiber cable distortion length = 1 m bit error rate ber 10 -9 data rate <5 bd p r > -24 dbm peak notes: 1. opb at t a = -40 to 85 c, v cc = 5.0 v dc, i f on = 60 ma. p r = -24 dbm peak. 2. synchronous data rate limit is based on these assumptions: a) 50% duty factor modulation, e.g., manchester i or biphase manchester ii; b) continuous data; c) pll phase lock loop demodulation; d) ttl threshold. 3. asynchronous data rate limit is based on these assumptions: a) nrz data; b) arbitrary timing-no duty factor restriction; c) ttl threshold.
56 5 mbd logic link design if resistor r 1 in figure 2 is 70.4 w , a forward current i f of 48 ma is applied to the hfbr- 14x4 led transmitter. with i f = 48 ma the hfbr-14x4/24x2 logic link is guaranteed to work with 62.5/125 m m fiber optic cable over the entire range of 0 to 1750 meters at a data rate of dc to 5 mbd, with arbitrary data format and pulse width distortion typically less than 25%. by setting r 1 = 115 w , the transmit- ter can be driven with i f = 30 ma, if it is desired to economize on power or achieve lower pulse distortion. the following example will illus- trate the technique for selecting the appropriate value of i f and r 1 . maximum distance required = 400 meters. from figure 3 the drive current should be 15 ma. from the transmitter data v f = 1.5 v (max.) at i f = 15 ma as shown in figure 9. v cc - v f 5 v - 1.5 v r 1 = CCCCCCC = CCCCCCCCC i f 15 ma r 1 = 233 w the curves in figures 3, 4, and 5 are constructed assuming no in- line splice or any additional system loss. should the link consists of any in-line splices, these curves can still be used to calculate link limits provided they are shifted by the additional system loss expressed in db. for example, figure 3 indicates that with 48 ma of transmitter drive current, a 1.75 km link distance is achievable with 62.5/125 m m fiber which has a maximum attenuation of 4 db/km. with 2 db of additional system loss, a 1.25 km link distance is still achievable. figure 2. typical circuit configuration.
57 figure 6. propagation delay through system with one meter of cable. figure 8. system propagation delay test circuit and waveform timing definitions. figure 3. hfbr-1414/hfbr-2412 link design limits with 62.5/125 m m cable. figure 4. hfbr-14x2/hfbr-24x2 link design limits with 100/140 m m cable. figure 7. typical distortion of pseudo random data at 5 mb/s. figure 5. hfbr-14x4/hfbr-24x2 link design limits with 50/125 m m cable. 0 -1 -2 -3 -4 -5 -6 0 0.4 0.8 1.2 1.6 2 10 log (t/to) normalized transmitter current (db) link length (km) i f transmitter forward current (ma) 60 50 40 30 20 worst case -40 c, +85 c underdrive cable attenuation db/km a max (-40 c, +85 c) 4 a min (-40 c, +85 c) 1 a typ (-40 c, +85 c) 2.8 typical 26 c underdrive 75 -22 -21 -20 -19 -18 -17 -16 -15 -14 -13 -12 p r ?receiver power ?dbm t phl or t phl propogation delay ?s 70 65 60 55 50 45 40 35 30 25 20 t plh (typ) @ 25 c t phl (typ) @ 25 c 55 -22 -21 -20 -19 -18 -17 -16 -15 -14 -13 -12 p r ?receiver power ?dbm t d ?nrz distortion ?ns 50 45 40 35 30 25 20
58 ethernet 20 mbd link (hfbr-14x4/24x6) (refer to application note 1038 for details) typical link performance parameter symbol typ. [1,2] units conditions receiver sensitivity -34.4 dbm 20 mbd d2d2 hexadecimal data average 2 km 62.5/125 m m fiber link jitter 7.56 ns pk-pk ecl out receiver 7.03 ns pk-pk ttl out receiver transmitter jitter 0.763 ns pk-pk 20 mbd d2d2 hexadecimal data optical power p t -15.2 dbm 20 mbd d2d2 hexadecimal data average peak i f,on = 60 ma led rise time t r 1.30 ns 1 mhz square wave input led fall time t f 3.08 ns mean difference |t r -t f | 1.77 ns bit error rate ber 10 -10 output eye opening 36.7 ns at aui receiver output data format 50% duty factor 20 mbd notes: 1. typical data at t a = 25 c, v cc = 5.0 v dc. 2. typical performance of circuits shown in figure 1 and figure 3 of an-1038 (see applications support section). token ring 32 mbd link (hfbr-14x4/24x6) (refer to application note 1065 for details) typical link performance parameter symbol typ. [1,2] units conditions receiver sensitivity -34.1 dbm 32 mbd d2d2 hexadecimal data average 2 km 62.5/125 m m fiber link jitter 6.91 ns pk-pk ecl out receiver 5.52 ns pk-pk ttl out receiver transmitter jitter 0.823 ns pk-pk 32 mbd d2d2 hexadecimal data optical power logic level 0 p t on -12.2 dbm peak transmitter ttl in i f on = 60 ma, optical power logic level 1 p t off -82.2 led rise time t r 1.3 nsec 1 mhz square wave input led fall time t f 3.08 nsec mean difference |t r -t f | 1.77 nsec bit error rate ber 10 -10 data format 50% duty factor 32 mbd notes: 1. typical data at t a = 25 c, v cc = 5.0 v dc. 2. typical performance of circuits shown in figure 1 and figure 3 of an-1065 (see applications support section) i f off = 1 ma
59 155 mbd link (hfbr-14x4/24x6) (refer to application bulletin 78 for details) typical link performance parameter symbol typ. [1,2] units max. units conditions ref. optical power budget opb 50 7.9 13.9 db na = 0.2 note 2 with 50/125 m m fiber optical power budget opb 62 11.7 17.7 db na = 0.27 with 62.5/125 m m fiber optical power budget opb 100 11.7 17.7 db na = 0.30 with 100/140 m m fiber optical power budget opb 200 16.0 22.0 db na = 0.35 with 200 m m hcsffiber data format 20% to 1 175 mbd 80% duty factor system pulse width |t plh -t phl | 1 ns pr = -7 dbm peak distortion 1 meter 62.5/125 m m fiber bit error rate ber 10 -9 data rate < 100 mbaud pr >-31 dbm peak note 2 notes: 1. typical data at t a = 25 c, v cc = 5.0 v dc, pecl serial interface. 2. typical opb was determined at a probability of error (ber) of 10 -9 . lower probabilities of error can be achieved with short fibers that have less optical loss.
60 hfbr-14x2/14x4 low- cost high-speed transmitters description the hfbr-14xx fiber optic transmitter contains an 820 nm algaas emitter capable of efficiently launching optical power into four different optical fiber sizes: 50/125 m m, 62.5/125 m m, 100/140 m m, and 200 m m hcs ? . this allows the designer flexibility in choosing the fiber size. the hfbr-14xx is designed to operate with the hewlett- packard hfbr-24xx fiber optic receivers. the hfbr-14xx transmitters high coupling efficiency allows the emitter to be driven at low current levels resulting in low power consumption and increased reliability of the transmitter. the hfbr-14x4 high power transmit- ter is optimized for small size fiber and typically can launch -15.8 dbm optical power at 60 ma into 50/125 m m fiber and -12 dbm into 62.5/125 m m fiber. the hfbr-14x2 standard transmitter typically can launch -12 dbm of optical power at 60 ma into 100/140 m m fiber cable. it is ideal for large size fiber such as 100/140 m m. the high launched optical power level is useful for systems where star couplers, taps, or inline connec- tors create large fixed losses. consistent coupling efficiency is assured by the double-lens optical system (figure 1). power coupled into any of the three fiber types varies less than 5 db from part to part at a given drive current and temperature. consistent coupling efficiency reduces receiver dynamic range requirements which allows for longer link lengths. absolute maximum ratings parameter symbol min. max. units reference storage temperature t s -55 +85 c operating temperature t a -40 +85 c lead soldering cycle temp. +260 c time 10 sec forward input current peak i fpk 200 ma note 1 dc i fdc 100 ma reverse input voltage v br 1.8 v housed product unhoused product
61 hfbr-14x2 output power measured out of 1 meter of cable parameter symbol min. typ. [2] max. unit conditions reference 50/125 m mp t50 -21.8 -18.8 -16.8 dbm t a = 25 ci f = 60 ma dc notes 5, 6, 9 -22.8 -15.8 -20.3 -16.8 -14.4 t a = 25 ci f = 100 ma dc -21.9 -13.8 62.5/125 m mp t62 -19.0 -16.0 -14.0 dbm t a = 25 ci f = 60 ma dc -20.0 -13.0 -17.5 -14.0 -11.6 t a = 25 ci f = 100 ma dc -19.1 -11.0 100/140 m mp t100 -15.0 -12.0 -10.0 dbm t a = 25 ci f = 60 ma dc 16.0 -9.0 -13.5 -10.0 -7.6 t a = 25 ci f = 100 ma dc -15.1 -7.0 200 m m hcs p t200 -10.7 -7.1 -4.7 dbm t a = 25 ci f = 60 ma dc -11.7 -3.7 -9.2 -5.2 -2.3 t a = 25 ci f = 100 ma dc -10.8 -1.7 electrical/optical specifications -40 c to +85 c unless otherwise specified. parameter symbol min. typ. [2] max. units conditions reference forward voltage v f 1.48 1.70 2.09 v i f = 60 ma dc figure 9 1.84 i f = 100 ma dc forward voltage d v f / d t -0.22 mv/ ci f = 60 ma dc figure 9 -0.18 i f = 100 ma dc reverse input voltage v br 1.8 3.8 v i f = 100 m a dc peak emission wavelength l p 792 820 865 nm diode capacitance c t 55 pf v = 0, f = 1 mhz optical power temperature d p t / d t -0.006 db/ c i = 60 ma dc -0.010 i = 100 ma dc thermal resistance q ja 260 c/w notes 3, 8 14x2 numerical aperture na 0.49 14x4 numerical aperture na 0.31 14x2 optical port diameter d 290 m m note 4 14x4 optical port diameter d 150 m m note 4 coefficient peak peak peak peak fiber cable na = 0.2 fiber cable na = 0.275 fiber cable na = 0.3 fiber cable na = 0.37 caution: the small junction sizes inherent to the design of these components increase the components susceptibility to damage from electrostatic discharge (esd). it is advised that normal static precautions be taken in handling and assembly of these components to prevent damage and/or degradation which may be induced by esd. temperature coefficient
62 hfbr-14x4 output power measured out of 1 meter of cable parameter symbol min. typ. [2] max. unit conditions reference 50/125 m m pt50 -18.8 -15.8 -13.8 dbm t a = 25 ci f = 60 ma dc notes 5, 6, 9 -19.8 -12.8 -17.3 -13.8 -11.4 t a = 25 ci f = 100 ma dc -18.9 -10.8 62.5/125 m m pt62 -15.0 -12.0 -10.0 dbm t a = 25 ci f = 60 ma dc -16.0 -9.0 -13.5 -10.0 -7.6 t a = 25 ci f = 100 ma dc -15.1 -7.0 100/140 m m pt100 -9.5 -6.5 -4.5 dbm t a = 25 ci f = 60 ma dc -10.5 -3.5 -8.0 -4.5 -2.1 t a = 25 ci f = 100 ma dc -9.6 -1.5 200 m m hcs pt200 -5.2 -3.7 +0.8 dbm t a = 25 ci f = 60 ma dc -6.2 +1.8 -3.7 -1.7 +3.2 t a = 25 ci f = 100 ma dc -5.3 +3.8 peak peak peak peak fiber cable na = 0.2 fiber cable na = 0.275 fiber cable na = 0.3 fiber cable na = 0.37 14x2/14x4 dynamic characteristics parameter symbol min. typ. [2] max. units conditions reference rise time, fall time t r , t f 4.0 6.5 nsec i f = 60 ma note 7, (10% to 90%) no pre-bias figure 12 rise time, fall time t r , t f 3.0 nsec i f = 10 to note 7, (10% to 90%) 100 ma figure 11 pulse width distortion pwd 0.5 nsec figure 11 notes: 1. for i fpk > 100 ma, the time duration should not exceed 2 ns. 2. typical data at t a = 25 c. 3. thermal resistance is measured with the transmitter coupled to a connector assembly and mounted on a printed circuit board. 4. d is measured at the plane of the fiber face and defines a diameter where the optical power density is within 10 db of the maximum. 5. p t is measured with a large area detector at the end of 1 meter of mode stripped cable, with an st ? precision ceramic ferrule (mil- std-83522/13) for hfbr-1412/1414, and with an sma 905 precision ceramic ferrule for hfbr-1402/1404. 6. when changing m w to dbm, the optical power is referenced to 1 mw (1000 m w). optical power p (dbm) = 10 log p ( m w)/1000 m w. 7. pre-bias is recommended if signal rate >10 mbd, see recommended drive circuit in figure 11. 8. pins 2, 6 and 7 are welded to the anode header connection to minimize the thermal resistance from junction to ambient. to fu rther reduce the thermal resistance, the anode trace should be made as large as is consistent with good rf circuit design. 9. fiber na is measured at the end of 2 meters of mode stripped fiber, using the far-field pattern. na is defined as the sine o f the half angle,determined at 5% of the peak intensity point. when using other manufacturers fiber cable, results will vary due to diffe ring na values and specification methods. all hfbr-14xx led transmitters are classified as iec 825-1 accessible emission limit (ael) class 1 based upon the current proposed draft scheduled to go in to effect on january 1, 1997. ael class 1 led devices are considered eye safe. contact your hewlett-packard sales representative for more information. caution: the small junction sizes inherent to the design of these components increase the components susceptibility to damage from electrostatic discharge (esd). it is advised that normal static precautions be taken in handling and assembly of these components to prevent damage and/or degradation which may be induced by esd.
63 recommended drive circuits the circuit used to supply current to the led transmitter can significantly influence the optical switching characteristics of the led. the optical rise/fall times and propagation delays can be improved by using the appro- priate circuit techniques. the led drive circuit shown in figure 11 uses frequency com- pensation to reduce the typical rise/fall times of the led and a small pre-bias voltage to minimize propagation delay differences that cause pulse-width distortion. the circuit will typically produce rise/fall times of 3 ns, and a total jitter including pulse-width dis- tortion of less than 1 ns. this circuit is recommended for appli- cations requiring low edge jitter or high-speed data transmission at signal rates of up to 155 mbd. component values for this circuit can be calculated for different led drive currents using the equations shown below. for additional details about led drive circuits, the reader is encouraged to read hewlett- packard application bulletin 78 and application note 1038. ( ) ( ) (v cc - v f ) + 3.97 (v cc - v f - 1.6 v) (5 - 1.84) + 3.97 (5 - 1.84 - 1.6) r y = CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC r y = CCCCCCCCCCCCCCCCCCCCCCCCCCCCC i f on (a) 0.100 1 r y 3.16 + 6.19 r x1 = C CCCC r y = CCCCCCCCCCC = 93.5 w 2 3.97 0.100 1 93.5 r eq2 ( w ) = r x1 - 1 r x1 = C CCCC = 11.8 w 2 3.97 r x2 = r x3 = r x4 = 3(r eq2 )r eq2 = 11.8 - 1 = 10.8 w 2000(ps) c(pf) = CCCCCCCC r x2 = r x3 = r x4 = 3(10.8) = 32.4 w r x1 ( w ) 2000 ps example for i f on = 100 ma: v f can be c = CCCCCCC = 169 pf 11.8 w obtained from figure 9 (= 1.84 v ).
64 figure 9. forward voltage and current characteristics. figure 12. test circuit for measuring t r , t f . figure 11. recommended drive circuit. figure 10. normalized transmitter output vs. forward current. p(i f ) ?p(60 ma) ?relative power ratio 0 2.0 0.8 0 i f ?forward current ?ma 20 40 80 1.6 0.4 1.2 60 100 1.8 1.4 1.0 0.6 0.2 10 30 50 70 90 p(i f ) ?p(60 ma) ?relative power ratio ?db -7.0 -5.0 -4.0 -3.0 -2.0 -1.0 0 0.8 1.0 1.4 2.0 3.0
65 hfbr-24x2 low-cost 5 mbd receiver description the hfbr-24x2 fiber optic receiver is designed to operate with the hewlett-packard hfbr- 14xx fiber optic transmitter and 50/125 m m, 62.5/125 m m, 100/ 140 m m, and 200 m m hcs ? fiber optic cable. consistent coupling into the receiver is assured by the lensed optical system (figure 1). response does not vary with fiber size 0.100 m m. the hfbr-24x2 receiver incor- porates an integrated photo ic containing a photodetector and dc amplifier driving an open- collector schottky output transistor. the hfbr-24x2 is housed product unhoused product designed for direct interfacing to popular logic families. the absence of an internal pull-up resistor allows the open-collector output to be used with logic families such as cmos requiring voltage excursions much higher than v cc . both the open-collector data output pin 6 and v cc pin 2 are referenced to com pin 3, 7. the data output allows busing, strobing and wired or circuit configurations. the transmitter is designed to operate from a single +5 v supply. it is essential that a bypass capacitor (0.1 m f ceramic) be connected from pin 2 (v cc ) to pin 3 (circuit common) of the receiver. absolute maximum ratings parameter symbol min. max. units reference storage temperature t s -55 +85 c operating temperature t a -40 +85 c lead soldering cycle temp. +260 c note 1 time 10 sec supply voltage v cc -0.5 7.0 v output current i o 25 ma output voltage v o -0.5 18.0 v output collector power dissipation p o av 40 mw fan out (ttl) n 5 note 2 pin function 1 2 3 4 v cc (5 v) common data common
66 dynamic characteristics -40 c to +85 c unless otherwise specified; 4.75 v v cc 5.25 v; ber 10 -9 parameter symbol min. typ. [3] max. units conditions reference peak optical input power p rh -40 dbm pk l p = 820 nm note 5 0.1 m w pk peak optical input power p rl -25.4 -9.2 dbm pk t a = +25 c, note 5 2.9 120 m w pk -24.0 -10.0 dbm pk i ol = 8 ma 4.0 100 m w pk propagation delay low t plhr 65 ns t a = 25 c, note 6 to high p r = -21 dbm, propagation delay high t phlr 49 ns to low notes: 1. 2.0 mm from where leads enter case. 2. 8 ma load (5 x 1.6 ma), r l = 560 w . 3. typical data at t a = 25 c, v cc = 5.0 vdc. 4. d is the effective diameter of the detector image on the plane of the fiber face. the numerical value is the product of the actual detector diameter and the lens magnification. 5. measured at the end of 100/140 m m fiber optic cable with large area detector. 6. propagation delay through the system is the result of several sequentially-occurring phenomena. consequently it is a combina tion of data-rate-limiting effects and of transmission-time effects. because of this, the data-rate limit of the system must be desc ribed in terms of time differentials between delays imposed on falling and rising edges. 7. as the cable length is increased, the propagation delays increase at 5 ns per meter of length. data rate, as limited by puls e width distortion, is not affected by increasing cable length if the optical power level at the receiver is maintained. electrical/optical characteristics -40 c to + 85 c unless otherwise specified fiber sizes with core diameter 100 m m and na 0.35, 4.75 v v cc 5.25 v parameter symbol min. typ. [3] max. units conditions reference high level output current i oh 5 250 m av o = 18 p r < -40 dbm low level output voltage v ol 0.4 0.5 v i o = 8 ma p r > -24 dbm high level supply current i cch 3.5 6.3 ma v cc = 5.25 v p r < -40 dbm low level supply current i ccl 6.2 10 ma v cc = 5.25 v p r > -24 dbm equivalent n.a. na 0.50 optical port diameter d 400 m m note 4 logic level high logic level low i ol = 8 ma data rate = 5 mbd caution: the small junction sizes inherent to the design of these components increase the components susceptibility to damage from electrostatic discharge (esd). it is advised that normal static precautions be taken in handling and assembly of these components to prevent damage and/or degradation which may be induced by esd.
67 hfbr-24x6 low-cost 125 mhz receiver description the hfbr-24x6 fiber optic receiver is designed to operate with the hewlett-packard hfbr- 14xx fiber optic transmitters and 50/125 m m, 62.5/125 m m, 100/ 140 m m and 200 m m hcs ? fiber optic cable. consistent coupling into the receiver is assured by the lensed optical system (figure 1). response does not vary with fiber size for core diameters of 100 m m or less. the receiver output is an analog signal which allows follow-on circuitry to be optimized for a variety of distance/data rate requirements. low-cost external components can be used to convert the analog output to logic compatible signal levels for various data formats and data rates up to 175 mbd. this distance/data rate tradeoff results in increased optical power budget at lower data rates which can be used for additional distance or splices. the hfbr-24x6 receiver contains a pin photodiode and low noise transimpedance pre-amplifier integrated circuit. the hfbr-24x6 receives an optical signal and converts it to an analog voltage. the output is a buffered emitter- follower. because the signal amplitude from the hfbr-24x6 receiver is much larger than from a simple pin photodiode, it is less susceptible to emi, especially at high signaling rates. for very noisy environments, the conductive or metal port option is recommended. a receiver dynamic range of 23 db over temperature is achievable (assuming 10 -9 ber). the frequency response is typically dc to 125 mhz. although the hfbr-24x6 is an analog receiver, it is compatible with digital systems. please refer to application bulletin 78 for simple and inexpensive circuits that operate at 155 mbd or higher. the recommended ac coupled receiver circuit is shown in figure 12. it is essential that a 10 ohm resistor be connected between pin 6 and the power supply, and a 0.1 m f ceramic bypass capacitor be connected between the power supply and ground. in addition, pin 6 should be filtered to protect the figure 11. simplified schematic diagram. housed product unhoused product receiver from noisy host systems. refer to an 1038, 1065, or ab 78 for details. caution: the small junction sizes inherent to the design of these components increase the components susceptibility to damage from electrostatic discharge (esd). it is advised that normal static precautions be taken in handling and assembly of these components to prevent damage and/or degradation which may be induced by esd. pin function 1 2* 3 4* signal v ee v cc v ee 8 1 3 5 2 4 6 7 pin no. 1 indicator bottom view 6 2 3, 7 v cc analog signal v ee pin functio n 1? 2 3* 4? 5? 6 7* 8? * pins 3 and 7 are electrically connected to the header. ? pins 1, 4, 5, and 8 are isolated from the internal circuitry, but are electrically connected to each other. n.c. signal v n.c. n.c. v v n.c. ee cc ee bias & filter circuits v cc v out v ee 6 2 3, 7 positive supply analog signal negative supply 5.0 ma 300 pf
68 electrical/optical characteristics -40 c to +85 c; 4.75 v supply voltage 5.25 v, r load = 511 w , fiber sizes with core diameter 100 m m, and n.a. -0.35 unless otherwise specified parameter symbol min. typ. [2] max. units conditions reference responsivity r p 5.3 7 9.6 mv/ m wt a = 25 c note 3, 4 @ 820 nm, 50 mhz figure 16 4.5 11.5 mv/ m w @ 820 nm, 50 mhz rms output noise v no 0.40 0.59 mv bandwidth filtered note 5 voltage @ 75 mhz p r = 0 m w 0.70 mv unfiltered bandwidth figure 13 p r = 0 m w equivalent input p n bandwidth filtered optical noise power @ 75 mhz (rms) optical input power p r -7.6 dbm pk t a = 25 c figure 14 175 m w pk note 6 -8.2 dbm pk 150 m w pk output impedance z o 30 w test frequency = 50 mhz dc output voltage v o dc -4.2 -3.1 -2.4 v p r = 0 m w power supply current i ee 915mar load = 510 w equivalent n.a. na 0.35 equivalent diameter d 324 m m note 7 absolute maximum ratings parameter symbol min. max. units reference storage temperature t s -55 +85 c operating temperature t a -40 +85 c lead soldering cycle temp. +260 c note 1 time 10 s supply voltage v cc -0.5 6.0 v output current i o 25 ma signal pin voltage v sig -0.5 v cc v (overdrive) m w 0.065 0.050 dbm -41.4 -43.0 caution: the small junction sizes inherent to the design of these components increase the components susceptibility to damage from electrostatic discharge (esd). it is advised that normal static precautions be taken in handling and assembly of these components to prevent damage and/or degradation which may be induced by esd.
69 dynamic characteristics -40 c to +85 c; 4.75 v supply voltage 5.25 v; r load = 511 w , c load = 5 pf unless otherwise specified parameter symbol min. typ. [2] max. units conditions reference rise/fall time t r , t f 3.3 6.3 ns p r = 100 m w peak figure 15 10% to 90% pulse width distortion pwd 0.4 2.5 ns p r = 150 m w peak note 8, figure 14 overshoot 2 % p r = 5 m w peak, note 9 t r = 1.5 ns bandwidth (electrical) bw 125 mhz -3 db electrical bandwidth - rise 0.41 hz ? s note 10 time product notes: 1. 2.0 mm from where leads enter case. 2. typical specifications are for operation at t a = 25 c and v cc = +5 v dc. 3. for 200 m m hcs fibers, typical responsivity will be 6 mv/ m w. other parameters will change as well. 4. pin #2 should be ac coupled to a load 3 510 ohm. load capacitance must be less than 5 pf. 5. measured with a 3 pole bessel filter with a 75 mhz, -3 db bandwidth. recommended receiver filters for various bandwidths are provided in application bulletin 78. 6. overdrive is defined at pwd = 2.5 ns. 7. d is the effective diameter of the detector image on the plane of the fiber face. the numerical value is the product of the actual detector diameter and the lens magnification. 8. measured with a 10 ns pulse width, 50% duty cycle, at the 50% amplitude point of the waveform. 9. percent overshoot is defined as: v pk - v 100% CCCCCCCCCC x 100% ( v 100% ) 10. the conversion factor for the rise time to bandwidth is 0.41 since the hfbr-24x6 has a second order bandwidth limiting characteristic. caution: the small junction sizes inherent to the design of these components increase the components susceptibility to damage from electrostatic discharge (esd). it is advised that normal static precautions be taken in handling and assembly of these components to prevent damage and/or degradation which may be induced by esd. figure 12. recommended ac coupled receiver circuit. (see ab 78 and an 1038 for more information.) 0.1 ? logic output +5 v 10 w 30 pf r loads 500 w min. 6 2 3 & 7 post amp
70 figure 14. typical pulse width density vs. frequency. figure 16. receiver spectral response normalized to 820 nm. figure 15. typical rise and fall times vs. temperature. figure 13. typical spectral noise distortion vs. peak input power. 150 0 50 100 150 200 250 frequency ?mh z 125 100 75 50 25 0 300 spectral noise density ? nv/ h z 3.0 02030405070 p r ?input optical power ?? 2.5 2.0 1.5 1.0 0.5 0 80 pwd ?pulse width distortion ?ns 10 60 6.0 -60 -40 -20 0 20 40 temperature ?? 5.0 4.0 3.0 2.0 1.0 60 t r , t f ?response time ?ns 80 100 t f t r 1.25 400 480 560 640 720 800 l ?wavelength ?nm 1.00 0.75 0 880 normalized response 0.50 0.25 960 1040
71 5965-9237e (5/97) conductive port option for low cost miniature link components technical data pin no. 1 indicator 8 1 3 5 2 4 6 7 conductive plastic port non-conductive plastic housing features ? significantly decreases effect of electromagnetic interference (emi) on receiver sensitivity ? available with both sma and threaded st styled port receivers ? allows the designer to separate the signal and conductive port grounds description the conductive port option for the low cost miniature link component family consists of a grounding path from the conductive port to four grounding pins as shown in the package outline drawing. signal ground is separate from the four grounding pins to give the designer more flexibility. this option is available with all sma and st panel mount styled port receivers. electrical/optical performance of the receivers is not affected by the conductive port. refer to the HFBR-0400 data sheets for more information. applications hp recommends that the designer use separate ground paths for the signal ground and the conductive port ground in order to minimize the effects of coupled noise on the receiver circuitry. if the designer notices that extreme noise is present on the system chassis, care should be taken to electrically isolate the conductive port from the chassis. in the case of esd, the conduc- tive port option does not alleviate the need for system recovery procedures. a 15 kv esd event entering through the port will not cause catastrophic failure for any HFBR-0400 receivers, but may cause soft errors. the conductive port option can reduce the amount of soft errors due to esd events, but does not guarantee error-free performance. pin 1 2 3 4 5 6 7 8 function port ground pin part dependent part dependent port ground pin port ground pin part dependent part dependent port ground pin option c package outline
72 reliability information low cost miniature link components with the conductive port option are as reliable as standard HFBR-0400 components. the following tests were performed to verify the mechanical reliability of this option. ordering information to order the conductive port option with a particular receiver component, place a c after the base part number. for example, to order an hfbr-2406 with this option, order an hfbr-2406c. as another example, to order an hfbr-2416t with this option, order an hfbr-2416tc. this option is available with the following part numbers: hfbr-2402 hfbr-2442t hfbr-2404 hfbr-2444t hfbr-2406 hfbr-2446t hfbr-2412t hfbr-2452 hfbr-2414t hfbr-2454 hfbr-2416t hfbr-2456 hfbr-2432 hfbr-2462t hfbr-2434 hfbr-2464t hfbr-2436 hfbr-2466t mil-std-883/ other units total test reference test conditions tested failed temperature cycling 1010 -55 c to +125 c700 condition b 15 min. dwell/5 min. transfer 100 cycles thermal shock 1011 -55 c to +125 c450 condition b 5 min. dwell/10 sec. transfer 500 cycles high temp. storage 1008 t a = 125 c500 condition b 1000 hours mechanical shock 2002 1500 g/0.5 ms 40 0 condition b 5 impacts each axis port strength t a = 25 c 6 kg-cm no port damage 20 0 seal dye penetrant 1014 45 psi, 10 hours 15 0 (zyglo) condition d no leakage into microelectronic cavity solderability 2003 245 c100 resistance to 2015 3 one min. immersion brush 13` 0 solvents after solvent chemical resistance - 5 minutes in acetone, methanol, 12 0 boiling water temperature- - t a = 85 c, rh = 85% 30 0 humidity biased, 500 hours lead integrity 2004 8 oz. wt. to each lead tested for 16 0 condition b2 three 90 arcs of the case electrostatic iec-801-2 direct contact discharge to port, 16 0 discharge (esd) 0-15 kv mechanical and environmental tests [1] [2] [3] notes: tests were performed on both sma an st products with the conductive port option. the port strength test was designed to address the concerns with hand tightening the sma connector to the fiber optic port. the limit is set to a level beyond most reasonable hand fastening loading. hp has previously used an air discharge method to measure esd; results using this method vary with air temperature and humidity . the direct contact discharge method is perferred due to better repeatability and conformance with iec procedures. esd immunity measured with the air discharge method is generally higher than with the direct contact discharge method. 1. 2. 3.
73 5965-9238e (5/97) features ? threading allows st styled port components to be panel mounted ? compatible with all current makes of st multimode connectors ? mechanical dimensions are compliant with mil-std-83522/13 threaded st port option for low cost miniature link components technical data description low cost miniature link compo- nents with the threaded st port option come with 0.2 inch (5.1 mm) of 3/8-32 unef-2a threads on the port. this option is available with all HFBR-0400, st styled port components. compo- nents with this option retain the same superior electrical/optical and mechanical performance as that of the base HFBR-0400 components. refer to the hfbr- 0400 data sheets for more information on electrical/optical performance and the HFBR-0400 reliability data sheet for more information on mechanical durability. panel mounting low cost miniature link compo- nents with the threaded st port option are suitable for panel mounting to chassis walls. the maximum wall thickness possible when using nuts and washers from the hfbr-4411 kit is 0.11 inch (2.8 mm). package outline housed product option t pin no. 1 indicator 8 1 3 5 2 4 6 7 yyww hfbr-x4xxt 12.7 (0.50) 27.2 (1.07) 5.1 (0.20) 12.7 (0.50) 7.1 (0.28) 2.54 (0.10) 3.81 (0.15) dia. 3/8 - 32 unef - 2a threading pins 1, 4, 5, 8 0.51 x 0.38 (0.020 x 0.015) pins 2, 3, 6, 7 0.46 (0.018) dia. 2.54 (0.10) 6.35 (0.25) 8.4 (0.33) 7.6 (0.30) 5.1 (0.20) 10.2 (0.40) 3.60 (0.14) 1.27 (0.05)
74 ordering information to order the threaded st port option with a particular compo- nent, place a t after the base part number. for example, to order an hfbr-2416 with this option, order an hfbr-2416t. package outline port product figure 2. recommended cut-out for panel mounting. figure 1. hfbr-4411 mechanical dimensions. the hfbr-4411 kit consists of 100 nuts and 100 washers with dimensions as shown in figure 1. these kits are available from hp or any authorized distributor. any standard size nut and washer will work, provided the total thickness of the wall, nut, and washer does not exceed 0.2 inch (5.1mm). when preparing the chassis wall for panel mounting, use the 14.27 (0.563) 9.53 (0.375) dia. internal tooth lock washer 12.70 (0.50) dia. 3/8 - 32 unef - 2a thread 1.65 (0.065) typ. dia. 10.41 (0.410) max. dia. all dimensions in millimeters and (inches). 9.80 (0.386) dia. 8.0 (0.315) all dimensions in millimeters and (inches). 18.5 (0.73) 5.1 (0.20) 13.2 (0.52) 7.1 (0.28) 9.1 (0.36) 4.1 (0.16) dia. 3/8 - 32 unef - 2a threading 8.4 (0.33) 7.6 (0.30) across thread flats 2.0 (0.08) 7.1 (0.28) dia. yy ww date code 7.1 (0.28) 12 43 8.6 (0.34) dia. 0.46 (0.018) dia. 2.5 (0.10) dia. pin circle all dimensions in millimeters and (inches). this option is available with the following part numbers: hfbr-1412 hfbr-1414 hfbr-1442 hfbr-1444 hfbr-1462 hfbr-1464 hfbr-2412 hfbr-2414 mounting template in figure 2. when tightening the nut, torque should not exceed 0.8 n-m (8.0 in-lb).
75 metal port option for HFBR-0400 series components technical data option m features ? nickel plated aluminum connector receptacle ? withstands electro-static discharge (esd) of 15 kv to the port ? significantly decreases effect of electro-magnetic interference (emi) on receiver sensitivity ? allows separate signal and metal port grounds ? available with sma, st, threaded st, and fc styled ports description the metal port option for the HFBR-0400 series gives designers the ability to have a metal connector receptacle with the familiar HFBR-0400 dual in- line package (dip). the metal port option components have an internal electrical connection between the metal port and the four grounding pins, as shown in the package outline drawing. signal ground is separate from the four grounding pins to give the flexibility in connecting the port to signal or chassis ground. this feature aids in maintaining the integrity of the signal ground if the chassis is exposed to elec- trical noise. in addition, when the metal port is in good electrical contact with a well-grounded chassis, the metal port provides additional emi shielding from electrically noisy circuits. applications hp recommends that the designer use separate ground paths for the signal ground and the conductive metal port ground in order to minimize the effects of external coupled noise on receiver circuitry. if noise is present on the system chassis, care should be taken to electrically isolate the metal port from the chassis. in the case of esd, the metal port option does not alleviate the need for system recovery procedures. a 15 kv esd event entering through the connector port will not cause catastrophic failure, but the metal port does not guarantee error-free performance during an esd event. the metal port option is available with sma, st, threaded st (panel mount) and fc styled port transmitters and receivers. the electrical/optical specifications, the mechanical dimensions, and the pinouts of the components with metal ports are identical to the standard plastic port products. 5963-5603e (2/95)
76 package outline ordering information this option will be available with the following part numbers: transmitters receivers hfbr-1402 hfbr-2402 hfbr-1412 hfbr-2412 hfbr-1412t hfbr-2412t hfbr-1422 hfbr-2422 hfbr-1404 hfbr-2406 hfbr-1414 hfbr-2416 hfbr-1414t hfbr-2416t hfbr-1424 hfbr-2426 refer to the hfbr-14xx and hfbr-24xx data sheeets for electrical/optical/mechanical specifications for each part. to order the metal port option with a particular transmitter or receiver component, simply add the letter m to the end of the standard part number. for example, hfbr-1412t with the metal port option is hfbr-1412tm. reliability information low cost miniature link components with the metal port option use the same semi- conductor devices and manufacturing processes as standard HFBR-0400 components, so reliability data for the HFBR-0400 series is directly applicable. the tests listed below demonstrate the mechanical reliability of this package. pin function 1 port ground pin 2 part dependent 3 part dependent 4 port ground pin 5 port ground pin 6 part dependent 7 part dependent 8 port ground pin mechanical and environmental tests mil-std-883 or units total test other reference test conditions tested failed temperature cycling 1010 -55 to +125 c, 15 minutes dwell, 40 0 condition b 5 minutes transfer, 170 cycles unbiased pressure 121 c, 100% relative humidity, 5 0 pot test 2 atmospheres, 48 hours mechanical shock 2002 5 blows each x1, x2, y1, y2, z1, z2 40 0 condition b 1500 g, 0.5 msec. pulse vibration variable 2007 50 g, 20 to 2000 hz. 4, 40 0 frequency condition a 4 minute cycles each x, y, z pin no. 1 indicator pins 1,4,5,8 0.51 x 0.38 (0.020 x 0.015) pins 2,3,6,7 0.46 dia (0.018) dia metal port non-conductive plastic housing yyww hfbr-x4xxtm date code part number

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