saw bandpass filter 202157B part no. 202157B 1. features z if bandpass filter z high attenuation z single-ended operation z dip package z maximum storage temperature range : -40 ~ 85 z electrostatics sensitive device (esd) 2. package dimension 2.50.2 12.70.2 0.450.05 2.50.2 7.60.2 6.0max 5.5max 20.30.5 12.70.5 itf 04a001 202157B package : d2012 pin configuration 1 input 5 output 2, 4 ground others case ground dimensions shown are nominal in millimeters base : fe(spcc), au plating over ni plated cap : cu & cr alloy, ni plated termination : kovar, au plated rev. date 2004-05-24 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nm3023-cs01 1/5
saw bandpass filter 202157B 3. specifications fo = 70.0 mhz terminating source impedance : 50 and matching network terminating load impedance : 50 and matching network minimum typical maximum center frequency mhz 69.94 70.0 70.06 insertion loss db - 21.0 23.0 1db bandwidth mhz - 7.1 - 3db bandwidth mhz 7.1 7.4 - 40db bandwidth mhz - 8.8 9.0 amplitude ripple (fo +/- 3.3 mhz) db - 0.5 1.0 group delay variation (fo +/- 3.3 mhz) nsec - 50 100 absolute delay usec - 2.73 - ultimate rejection db 50 53 - temperature coefficient of frequency ppm/c - -94 - notes : 1) all specifications are based on the matching schematic shown below 2) all specifications are measured by agilent network an alyzer and full 2 port calibration at room temperature 3) all attenuation measurements are m easured relative to insertion loss part no. 202157B i t f co., ltd. rev. date 2004-05-24 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nm3023-cs01 2/5
saw bandpass filter 202157B part no. 202157B 4. matching schematic ( actual matching values may vary due to pcb layout and parasitics ) c2 c1 l2 l1 input 50 output 50 l1 = l2 = 82 nh c1 = c2 = 30 pf 5. marking configuration itf 1) 04a001 2) 202157B 3) 1) manufacturer name 2) lot number 3) part number rev. date 2004-05-24 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nm3023-cs01 3/5
saw bandpass filter 202157B part no. 202157B ch1 s 21 log mag 10 db/ ref -21.41 db ch1 center 70.000 000 mhz span 23.000 000 mhz cor prm 4 sep 2003 08:13:37 1 2 3 4 1_: 0 db 0.000 000 mhz ref=1 bw: 8.757 227 mhz cent: 69.990635 mhz q: 7.9923 1_ loss: -21.722 db 6. typical performance ( at +25 ) ch1 s 21 log mag 1 db/ ref -21.41 db cor prm ch2 s 21 delay ref 2.693 us 100 ns/ center 70.000 000 mhz span 9.000 000 mhz cor smo prm 4 sep 2003 08:16:19 1 1 2 3 4 1_ 0 db 0.000 000 mhz ref=1 bw: 7.459 409 mhz cent: 69.998520 mhz q: 9.3839 1_ loss: -21.727 db 2 2 3 3_:-10.031 ns 6.600 000 mhz ref=2 mean: 2.735 9 us s.dev: 11.816 ns p-p: 60.611 ns rev. date 2004-05-24 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nm3023-cs01 4/5
saw bandpass filter 202157B part no. 202157B ch1 s ch1 s 21 log mag 10 db/ ref -21.66 db ch1 start .010 000 mhz stop 300.000 000 mhz prm 4 sep 2003 14:08:59 1 1_:-21.681 db 70.000 000 mhz rev. date 2004-05-24 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nm3023-cs01 5/5 21 log mag 1 db/ ref -21.41 db center 70.000 000 mhz span 9.000 000 mhz cor prm ch2 log mag ref -21.41 db 1 db/ cor s 21 prm 4 sep 2003 08:15:05 1 1 2 3 4 1_: 0 db 0.000 000 mhz ref=1 bw: 7.150 456 mhz cent: 69.993638 mhz q: 9.7887 1_ loss: -21.736 db 2 2 3 3_ -.1814 db 6.600 000 mhz ref=2 mean:-21.601 db s.dev: .0871 db p-p: .4093 db ch1 s 11 swr 10 / ref -51.5 center 70.000 000 mhz span 23.000 000 mhz cor prm ch2 swr ref -22.07 10 / cor s 22 prm 4 sep 2003 08:20:16 1 1 1_: 8.6646 70.000 000 mhz 2 2 2_ 7.7483 70.000 000 mhz ch1 s 11 1 u fs center 70.000 000 mhz span 23.000 000 mhz cor prm ch2 s 22 1 u fs cor prm 4 sep 2003 08:18:38 1 1_: 7.7832 -29.117 78.086 pf 70.000 000 mhz 2 2_ 8.2383 -26.096 87.127 pf 70.000 000 mhz
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