saw bandpass filter 251906B part no. 251906B 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 0.450.05 2.50.2 17.70.2 2.50.2 7.60.2 6.0max 5.5max 27.30.5 12.70.5 itf 04a001 251906B package : d2712 pin configuration 1 input 5 output 2, 4 ground 3, 6 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 2004-04-20 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. ds4031-cs01 1/5
saw bandpass filter 251906B part no. 251906B 3. specifications fo = 120 mhz terminating source impedance : 50 and matching network terminating load impedance : 50 and matching network minimum typical maximum center frequency mhz 119.9 120.0 120.1 insertion loss db - 30.0 31.0 1db bandwidth mhz - 18.87 - 3db bandwidth mhz 19.0 19.09 - 40db bandwidth mhz - 20.06 20.3 amplitude ripple (fo +/- 9.22 mhz) db - 0.7 1.0 group delay variation (fo +/- 9.22 mhz) nsec - 50 100 absolute delay usec - 4.04 - ultimate rejection db 50 52 - temperature coefficient of frequency ppm/c - -23 - 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 rev. date 2004-04-20 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. ds4031-cs01 2/5
saw bandpass filter 251906B part no. 251906B 4. matching schematic ( actual matching values may vary due to pcb layout and parasitics ) output 50 l4 l3 l2 input 50 l1 l1 = 56 nh, l4 = 68 nh l2 = 82 nh, l3 = 68 nh 5. marking configuration itf 1) 04a001 2) 251906B 3) 1) manufacturer name 2) lot number 3) part number rev. date 2004-04-20 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. ds4031-cs01 3/5
saw bandpass filter 251906B part no. 251906B 6. typical performance ( at +25 ) ch1 s 21 log mag 10 db/ ref -29.46 db ch1 center 120.000 000 mhz span 50.000 000 mhz cor prm 25 sep 2003 11:47:07 1 2 3 4 1_: 0 db 0.000 000 mhz ref=1 bw: 20.071 609 mhz cent: 120.017555 mhz q: 5.9795 1_ loss: -29.5 db ch1 s 21 log mag 1 db/ ref -29.32 db cor prm ch2 s 21 delay ref 4.038 us 100 ns/ center 120.000 000 mhz span 23.000 000 mhz cor smo prm 25 sep 2003 11:48:39 1 1 2 3 4 1_ 0 db 0.000 000 mhz ref=1 bw: 19.111 356 mhz cent: 120.025703 mhz q: 6.2803 1_ loss: -29.27 db 2 2 3 3_: 7.0731 ns 18.440 000 mhz ref=2 mean: 4.044 3 us s.dev: 6.1534 ns p-p: 31.712 ns rev. date 2004-04-20 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. ds4031-cs01 4/5
saw bandpass filter 251906B part no. 251906B ch1 ch1 s21 log 10 db/ ref -28.9 db start . 010 000 mhz stop 400 . 000 000 mhz 12 apr 2004 19:05:56 1 1: -28 . 550 db 120 . 000 000 mhz s 21 log mag 1 db/ ref -29.32 db rev. date 2004-04-20 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. ds4031-cs01 5/5 cor prm ch2 log mag ref -29.3 db 1 db/ center 120.000 000 mhz span 23.000 000 mhz cor s 21 prm 25 sep 2003 11:48:22 1 1 2 3 4 1_ 0 db 0.000 000 mhz ref=1 bw: 18.897 640 mhz cent: 120.031199 mhz q: 6.3517 1_ loss: -29.257 db 2 2 3 3_: .1525 db 18.440 000 mhz ref=2 mean:-29.245 db s.dev: .0947 db p-p: .5688 db ch1 s 11 swr 2 / ref 2.624 cor prm ch2 swr ref 2.896 1 / center 120.000 000 mhz span 50.000 000 mhz cor s 22 prm 25 sep 2003 11:50:40 1 1 1_ 2.6233 120.000 000 mhz 2 ch1 s 11 1 u fs center 120.000 000 mhz span 50.000 000 mhz 2 2_: 2.8964 120.000 000 mhz cor prm ch2 s 22 1 u fs cor prm 25 sep 2003 11:50:48 1 1_: 29.719 -32.914 40.296 pf 120.000 000 mhz 2 2_ 25.583 -31.48 42.131 pf 120.000 000 mhz
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