U2326B telefunken semiconductors rev. a2, 24jul-96 1 (7) vhf/ uhf-tuner-ic description this tuner ic requires a power supply of 9 v and performs the function of two separate oscillators and mixers, sawf-driver, lo output and two-state band switch. together with the easy link pll u6220b economical 9 v tuner with excellent rf-performance can be build. features 9 v supply voltage frequency range from 48 to 860 mhz band a: balanced high impedance mixer input and amplitude controlled oscillator band b: balanced low impedance mixer input and symmetrical oscillator balanced lo output for prescalers or pll saw filter driver with low impedance output voltage regulator for stable operating characteristic benefits the integration of 2 bands and the small sso24 package allows to design very small and low cost 9 v two-band tuners with high performance. block diagram rf osc. a osc. b voltage stabiliser band switch mixer output sawfilter driver band a band b 21 20 15 16 12 11 1 3 5 7 6 8 17 10 l.o. 23 24 22 19 18 14 13 9612011 2 figure 1. block diagram
U2326B telefunken semiconductors rev. a2, 24-jul-96 2 (7) ordering information extended type number package remarks U2326B-afsg3 sso24 plastic package taped and reeled pin description 1 2 3 4 5 6 7 8 10 9 23 18 17 16 14 15 13 12 11 24 21 22 19 20 osc b, coll. 96 11943 band sw. sawf, out nc osc b, base osc a, coll. gnd, common osc a, base rf in, b v s mix out sawf, inp. gnd (rf) lo out nc osc b, base osc b, coll. sawf, out sawf, inp. mix out rf in, b rf in, a rf in, a lo out figure 2. pinning pin symbol function 1 osc a, base oscillator band a, base 2 gnd, common ground, common 3 osc a, coll. oscillator band a. collector 4, 9 nc not connected 5, 8 osc b, base oscillator band b, bases 6, 7 osc b, coll. oscillator band b, collec- tors 10 band sw. dual - state band switch 11, 12 sawf, out saw filter driver outputs 13, 14 sawf, inp. saw filter driver inputs 15, 16 mix out mixer outputs, open collec- tor 17 v s supply voltage v s 18, 19 rf in, b rf inputs, band b 20, 21 rf in, a rf inputs, band a 22 gnd (rf) ground, rf part 23, 24 lo out lo outputs absolute maximum ratings all voltages are referred to gnd, pin 2 parameters symbol min. max. unit supply voltage pin 17 v s 10.5 v rf inputs pins 18 to 21 5.0 v if outputs pins 15 and 16 10.5 v dual - state switch voltage pin 10 vi tri 10.5 v junction temperature t j 150 c storage temperature t stg 40 + 150 c operating range all voltages are referred to gnd, pin 2 parameters symbol min. typ. max. unit supply voltage pins 15 to 17 v s 8.1 9 9.9 v ambient temperature t amb 20 + 85 c thermal resistance parameters test conditions symbol typ unit junction ambient package ss024 soldered to pcb r thja 125 k/w
U2326B telefunken semiconductors rev. a2, 24jul-96 3 (7) electrical characteristics test conditions (unless otherwise specified): v s = 9 v. t amb = 25 c. reference point pin 2, referred to figure 3. parameters test conditions / pins symbol min. typ. max. unit supply voltage pins 15 to 17 v s 8.1 9.0 9.9 v supply current pins 15 to 17 i s 42 ma band switch voltage band a pin 10 vswa 0 0 1.0 v voltage band b pin 10 vswb 3.4 4.0 v s v switching current vsw = 5 v pin 10 isw 100 a l.o.-output l.o. level each output rl = 50 pins 23 and 24 plo 25 17 dbm saw filter driver, fi = 36 mhz input impedance pins 13 and 14 zisaw 450 output impedance pins 11 and 12 zosaw 70 voltage gain pins 13, 14 11, 12 gvsaw 17 db band a input frequency range (note 5) pin 20 fia 48 470 mhz input impedance pin 20 s11a see fig. 4 gain (note 4) i/p to o/p ga 28 db noise figure dsb (note 2) i/p to o/p, fia = 50 mhz fia = 150 mhz nf 11.5 12 db db input level for im3 (note 3, (note 6) interm. of 3rd order) fia = 71 mhz via 20 dbm im2 (interm. of 2nd order) fia = 71 mhz via 22 (note 6) dbm band b (note 1) input frequency range (note 5) pins 18 and 19 fib 300 860 mhz input impedance pins 18 and 19 s11b see fig. 4 gain (note 4) i/p to o/p gb 32 db noise figure dsb (note 2) i/p to o/p, fib = 500 mhz fib = 800 mhz nf 10.5 11.5 db input level for im3 (note 3, (note 6) interm. of 3rd order) fib = 600 mhz vib 25 dbm notes: 1. the rf input b is symmetrical driven by means of a hybrid for 180 c phase shifting, consequently the source impedance is 100 . all other impedance for rf tests is 50 2. the noise figure (nf) is the value for double-side-band measurement. 3. the intermodulation test (2-carrier-method) which is made on if-center is in reference to a signal-to-im ratio of 60 db. 4. gain is the ratio of the voltage at the primary coil of l6 to the available voltage at the input. 5. depending on the oscillator's external circuitry 6. for each carrier
U2326B telefunken semiconductors rev. a2, 24-jul-96 4 (7) test and principle application circuit hybrids 0 / 180 degree with 50 ohms z(in) and 100 ohms (2x50) z(out) uhf vhf 180 i/p band a i/p band b l5 c 7 10n vs if : pc 45.75 mhz (38.9 mhz) sc 41.25 mhz (33.4 mhz) 1n 1n 4 x 150 p vhf l 100p 100p l.o. U2326B 1 24 59 19 12 13 the outputvoltage of the if is calculated back to the primary coil of l6 l6 ifo/p 470p 470p c8 l3 c4 c5 c5 c4 c1 c2 1k5 l1 3 turns 2.5 mm dia. l2 7 turns 3.0 mm dia. l3 2 turns 2.5 mm dia. l4 2 turns 2.5 mm dia. air coils 0.6 mm enamelled copper wire 18k bb620 c3 l1 18k 18k l4 bb515 c6 100p r2 1n 18k vsw vt 10n o the measured difference is 20 db 180 o l2 bb515 1k5 c1 1p5 c2 4p7 c3 82p c4 1p5 c5 2p2 c6 8p2 c7 15p c8 15p r2 2k2 l5 toko #9272 6+6 turns l6 toko #9273 13:2 turns vs ba282 vhf h 820p 820p 9612012 figure 3. test and principle application circuit
U2326B telefunken semiconductors rev. a2, 24jul-96 5 (7) input impedance mixer band a (s11a) and b (s11b) 0.2j 0.5j j 2j 5j 0 0.2j 0.5j j 2j 5j oo 0.2 0.5 1 2 5 45 mhz 250 mhz 500 mhz 750 hz 45 mhz 245 mhz 445 mhz 645 mhz 845 mhz 1045 mhz 9612013 m 1) 2) z 0 = 50 figure 4. input impedance mixer band a (s11a) and b (s11b) 1) vhf normalised to 50 , measuring range 45 to 750 mhz. 2) uhf normalised to 50 , measuring range 45 to 1045 mhz. both inputs are driven symmetrical. the output impedance of the hybrid is 100 the measured levels are then calculated in reference to 50
U2326B telefunken semiconductors rev. a2, 24-jul-96 6 (7) dimensions in mm package: sso24 0.25 0.65 24 1 7.80 technical drawings according to din specifications 4.4 6.45 5.5 0.15 1.35 1.3 13 12 7.15
U2326B telefunken semiconductors rev. a2, 24jul-96 7 (7) ozone depleting substances policy statement it is the policy of temic telefunken microelectronic gmbh to 1. meet all present and future national and international statutory requirements. 2. regularly and continuously improve the performance of our products, processes, distribution and operating systems with respect to their impact on the health and safety of our employees and the public, as well as their impact on the environment. it is particular concern to control or eliminate releases of those substances into the atmosphere which are known as ozone depleting substances ( odss). the montreal protocol ( 1987) and its london amendments ( 1990) intend to severely restrict the use of odss and forbid their use within the next ten years. various national and international initiatives are pressing for an earlier ban on these substances. temic telefunken microelectronic gmbh semiconductor division has been able to use its policy of continuous improvements to eliminate the use of odss listed in the following documents. 1. annex a, b and list of transitional substances of the montreal protocol and the london amendments respectively 2 . class i and ii ozone depleting substances in the clean air act amendments of 1990 by the environmental protection agency ( epa ) in the usa 3. council decision 88/540/eec and 91/690/eec annex a, b and c ( transitional substances ) respectively. temic can certify that our semiconductors are not manufactured with ozone depleting substances and do not contain such substances. we reserve the right to make changes to improve technical design and may do so without further notice . parameters can vary in different applications. all operating parameters must be validated for each customer application by the customer. should the buyer use temic products for any unintended or unauthorized application, the buyer shall indemnify temic against all claims, costs, damages, and expenses, arising out of, directly or indirectly, any claim of personal damage, injury or death associated with such unintended or unauthorized use. temic telefunken microelectronic gmbh, p.o.b. 3535, d-74025 heilbronn, germany telephone: 49 ( 0 ) 7131 67 2831, fax number: 49 ( 0 ) 7131 67 2423
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