features 1 of 8 optimum technology matching? applied gaas hbt ingap hbt gaas mesfet sige bicmos si bicmos sige hbt gaas phemt si cmos si bjt gan hemt not for new desig n s rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity?, powerstar?, polaris? total radio? and ultimateblue? are trademarks of rfmd, llc. bluetooth is a trade- mark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks and registered tradem arks are the property of their respective owners. ?2006, rf micro devices, inc. product description 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . rf mems srf-1016(z) 65mhz to 300mhz silicon germanium if receiver rfmd?s srf-1016 is a quadrature demodulator rfic designed for uhf and microwave receiver if applicatio ns. this device features switchable gain control, high p1db, and excell ent i/q amplitude and phase balance. use of this highly integrated device can result in lower component count, a more compact assembly, and higher tr ansceiver card yields. the device is packaged in an industry standard 16-pin tssop with exposed paddle for superb rf and thermal ground. functional block diagram lop 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 lon bbqp bbin gc1 vee bbip inp bbqn inn 0/90 vcc gc2 vcc vcc vee vcc ? gain control in 20db steps ? excellent i/q amplitude and phase balance ? output p1db>+4dbm over all gain settings applications ? digital and spread spectrum communication systems ? cellular, pcs, dcs, 2g, 2.5g, 3g transceivers ? ism band transceivers ? point-to-point microwave receivers ? broadband wireless systems ds101122 preliminary not for new designs ? rfmd green, rohs compliant, pb-free (z part number) package: tssop, 16-pin, 5.0mmx6.4mmx1.0mm srf-1016(z) 65mhz to 300mhz sili- con germa- nium if receiver parameter specification unit condition min. typ. max. if input if frequency range 65 300 mhz inp/inn return loss 20 db 50 ? nominal differential input, note 1 inp/inn common mode voltage 2 v internally generated gain 28 31 33 db high gain setting gc1=gc2=+5v input p1db -26 -24 dbm dsb noise figure 11 db gain 9 12 14 db medium gain setting gc1=+5v gc2=+0v input p1db -8 -6 dbm dsb noise figure 14.5 db gain -9.0 -6.5 -4.0 db low gain setting gc1=gc2=0v input p1db 12 14 dbm dsb noise figure 31 db
2 of 8 preliminary ds101122 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . not for new desig n s srf-1016(z) product specifications - i/q output product specifications - lo input product specificati ons - miscellaneous test conditions absolute maximum ratings parameter rating unit supply voltage 6.0 vdc lo input +10 dbm if input +10 dbm operating temperature -40 to +85 c storage temperature -65 to +150 c operation of this device beyond any one of these limits may cause permanent dam- age. for reliable continuous operation, the device voltage and current must not exceed the maximum operating values specified in the table on page one. parameters min typ max unit additonal test conditions i/q output frequency range dc 500 mhz i/q output amplitude balance -0.2 0.2 db i/q output phase balance -2 2 deg i/q output common-mode voltage 2.5 v i/q output return loss 20 db 50 ? nominal differential output* * to achieve 20db port match above 100mhz, the parasitic inductance of the package must be matched out. parameters min typ max unit additonal test conditions lo frequency range 65 300 mhz lo input level -3 0 +3 dbm lo return loss 20 db 50 ? nominal differential input * to achieve 20db of port match the parasitic inducatnce of the package, board, and l4, l5 must be matched at the center freque ncy with a series capacitor. parameters min typ max unit additonal test conditions supply voltage (v cc ) +4.75 +5.0 +5.25 v supply current (i cc )195ma thermal resistance 35 45 c/w hot spot on die to lead gc1, gc2 input v il 00.3xv cc v logic level zero gc1, gc2 input v ih 0.7xv cc v cc v logic level one gc1, gc2 input impedance 40 kohm gain state gc1 voltage gc2 voltage if power low gain 0v 0v 0dbm medium gain +5v 0v -20dbm high gain +5v +5v -40dbm v cc =+5v dc , t=+25c, lo input=0dbm, 200mhz, if input=201mhz caution! esd sensitive device. exceeding any one or a combination of the absolute maximum rating conditions may cause permanent damage to the device. extended application of absolute maximum rating conditions to the device may reduce device reliability. specified typical perfor- mance or functional operation of the devi ce under absolute maximum rating condi- tions is not implied. rohs status based on eudirective2002/95/ec (at time of this document revision). the information in this publication is believed to be accurate and reliable. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for its use, nor for any infringement of patents, or other rights of third parties, resulting from its use. no license is granted by implication or otherwise under any patent or patent rights of rfmd. rfmd reserves the right to change component circuitry, recommended appli- cation circuitry and specifications at any time without prior notice.
3 of 8 not for new desig n s preliminary ds101122 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . srf-1016(z) the srf-1016 is a variable gain i-q demodulator designed for use in receiver if sections, as shown in the figure below. it con- sists of five subcircuits: two cascaded switched gain stages, a matched pair of mixers, and a lo quadrature generator. this part is also available in a higher frequency version, the srf-2016. the gain stages are broadband differential amplifiers each with a digital control pin to set the gain. the gain control pins ac t independently of each other. since the amplifiers have approx imately the same gain, setting gc1 high and gc2 low results in approximately the same gain as setting gc1 low and gc2 high. th e former setting is preferred because it offers better noise figure. the if input is differential with internal bias circuitr y to set the common mode voltage. the use of blocking capacitor s to facilitate ac coupling is highly recommended to avoid changing the common mode voltage. either input may be driven single- ended if the other input is connected to ground through an ac short such as a 1000pf capacitor. this typically results in slightly lower input p 1db . the two matched mixers are configured with the quadrature lo generator to provide in-phase and quadrature baseband out- puts. these can be fed through adcs to a dsp engine, or can be fed into a low frequency 90 hybrid for image rejection. alter- natively, the if signal can be extracted from the bbi port by injecting dc into the lo port. the lo and if ports offer a differential 50 ? impedance. the package (and in the case of the input port, the parallel l-r net- work) adds inductance that tends to degrade return loss. this can easily be matched out with a series capacitor. the 27pf capacitor on the evaluation board is appropriate for 200mhz oper ation; larger capacitors should be used for lower frequen- cies. the srf-1016 has high gain at uhf frequenc ies, so instability can result if there is poor power supply decoupling or undesired coupling from the input to the output. the following consid erations should be observed when laying out a pc board: follow the general layout of the evaluation board, keeping the power supply decoupling capacitors as close to the package as possible. the back of the package, the two ground pins and the decoupling capacitors should connect directly to ground, pref- erably to a large dedicated ground plane. use the parallel l-r circuits on the input pins. ensure that the input signal tracks are routed far from the output tracks. the v cc pins are not internally connected, so all must be connected together externally with the specified decoupling capacitors. the figures on page 4 illustrate a typical srf-1016?s perfor mance with respect to temperature. note that these numbers include the effect of the r-l network in the if port. the frequency response of the if and lo ports is dominated by the l-r network on the input. when de-embedded, the gain and p 1db response is within 0.5db from 65mhz to 300mhz. the srf-1016 features immunity from changes in lo power. the gain typically changes by less than 0.6db over a 6db range of lo power. also note the excellent i/q balance, which typically falls within 0.1db and 1 from 65mhz to 300mhz, and varies less than 0.05db and 0.5 over temperature (-40 to +85c). q adc if filter srf 1016 rf filter lna i adc typical use for the srf-1016 in a receiver employing digital i/q demodulation. bb filter bb filter
4 of 8 preliminary ds101122 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . not for new desig n s srf-1016(z) the package dimensions are shown on page 5. note that heat is removed from the part via the heat slug, so this slug must be properly soldered to a copper plane under the part. evaluation boards are available for this device and a descriptio n of the board are shownon page 6. note that the evaluation board uses baluns on the i/q outputs, and these baluns limi t the low frequency response of the device. for true baseband operation, the baluns should be removed, and the differential signals used directly. unless otherwise stated, measurements were taken with an if freq uency of 200mhz, an lo frequency of 201mhz, a baseband output o f 1mhz, an lo power of 0dbm, at room temperature, with a supply voltage of 5volts. measurements were do ne on the evaluation board. gain vs. temperature -10 -5 0 5 10 15 20 25 30 35 -40-20020406080 temperature, c gain, db low gain med gain high gain output p1db vs. temperature 5 6 7 8 9 10 -40-20 0 20406080 temperature, c output p1db, dbm low gain med gain high gain noise figure vs. temperature 0 5 10 15 20 25 30 35 -40-20 0 20406080 temperature, c noise figure, db low gain med gain high gain output p1db vs. lo power 5 6 7 8 9 10 -4 -3 -2 -1 0 1 2 3 4 lo power, dbm output p1db, dbm low gain med gain high gain amplitude difference vs. lo frequency -0.4 -0.3 -0.2 -0.1 0 0.1 0.2 0.3 0.4 0 100 200 300 400 500 600 700 800 lo frequency, mhz amplitude difference, db phase difference vs. lo frequency 89 89.5 90 90.5 91 91.5 92 0 100 200 300 400 500 600 700 800 lo frequency, mhz phase difference, degrees
5 of 8 not for new desig n s preliminary ds101122 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . srf-1016(z) suggested pcb pad layout package drawing dimensions in inches (millimeters) refer to drawing posted at www.rfmd.com for tolerances. pin function description 1bbin baseband i-axis output (--). self-biasing. 2 bbip baseband l-axis output (+). self-biasing. 3, 7, 10, 14 vcc positive power supply. 4gc2 gain control input, stage 2. 5v cmos levels. 5gc1 gain control input, stage 1. 5v cmos levels. 6, 11 vee ground. 8inp if input (+). self -biasing; ac-couple. 9inn if input (-). self-biasing; ac-couple. 12 lon lo input (-). self -biasing; ac-couple. 13 lop lo input (+). self-biaising; ac-couple. 15 bbqn baseband q-axis output (-). self-biasing. 16 bbqp baseband q-axis output (+). self-biasing. 0.118 (3.0) 0.118 (3.0) 0.049 (1.25) 0.272 (6.9) 0.035 (0.9) ? 0.010 (0.25) via - indicates metalization - vias connect pad to underlying ground plane all units are in inches (mm) 0.012 (0.30) 0.014 (0.35) 0.024 (0.63) 0.028 (0.7) exposed thermal pad zone 0.118 (3.0) sq. notes: 1. package body sizes exclude mold flash protrusions or gate burrs. 2. tolerance 0.1mm unless otherwise specified. 3. coplanarity: 0.1mm 4. controlling dimension is millimeter, converted inch dimensions are not necessarily exact. 5. followed from jedec mo-153. xxx xxxx lot id dimensions in inches (mm) part # lot # 0.004 (0.1) 0.008 (0.2) 0.193 (4.9) 0.207 (5.25) 0 8 0.169 (4.3) 0.177 (4.5) 0.252 (6.4) 0.007 (0.19) 0.012 (0.30) 0.026 (.65) 0.031 (0.8) 0.041 (1.05) 0.0 0.006 (0.15) 0.018 (0.45) 0.030 (0.75)
6 of 8 preliminary ds101122 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . not for new desig n s srf-1016(z) fully assembled pcb demo test board schematic tuned for operation at 200mhz
7 of 8 not for new desig n s preliminary ds101122 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . srf-1016(z) bill of materials ordering information component designator value qty vendor part number description u1 1 smdi srf-1016 if receiver j1, j6, j7 3 sullins s1312-02-nd 2 pin 0.1? header j2, j3, j4, j5 4 johnson components 142-0701-851 sma end launch connector t1, t2 2 mini-circuits tc1-1 if transformer t3, t4 2 mini-circuits adt1-6t baseband transformer c1 1 uf 1 venkel c1206y5v160-105zne 1206 size supply bypass capacitor c2, c3 27 pf 2 venkel c0603cog500-270jne 0603 size coupling capacitor c4, c5 68 pf 2 venkel c0603cog500-680jne 0603 size coupling capacitor c9 100 pf 1 venkel c0603cog500-101jne 0603 size bypass capacitor c6, c7, c8 22 pf 3 venkel c0603cog500-220jne 0603 size bypass capacitor c10, c11, c12, c13 220 pf 4 venkel c0603cog500-221jne 0603 size filter capacitor l1, l2, l3 1 uh 5 panasonic pcd1008tr-nd 1210 size filter inductor r1, r2 1 kohm 2 venkel cr0603-16w-102jt 0603 size pull-up resistor r3, r4 0 ohm 2 venkel cr0603-16w-000t 0603 jumper r5, r6 50 ohm 2 venkel cr0603-16w-500jt 0603 size stability resistor l4, l5 10 nh 2 toko ll1608 fs10nj 0603 size stability inductor 1smdi ecb-102274 evaluation board part number reel size devices/reel srf-1016 7? 1000 SRF-1016Z 7? 1000
8 of 8 preliminary ds101122 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . not for new desig n s srf-1016(z)
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