saw bandpass filter 250951B part no. 250951B 1. features z if bandpass filter z high-attenuation z single-ended operation z ceramic surface mount device (smd) package z maximum storage temperature range : -40 ~ 85 z electrostatics sensitive device (esd) 2. package dimensions 12 11 10987 6 5 4 3 2 1 0.800.1 1.500.1 2.540.1 7.620.1 2.540.1 1.610.2 6.500.2 13.300.2 1 2 3 4 10 9 8 7 5 6 11 12 itf04a001 250951B pad configuration 11 input 5 output 6, 12 ground other case ground package : s1365 dimensions shown are nominal in millimeters body : al 2 o 3 ceramic lid : kovar, ni plated terminations : au plating 0.3 ~ 1.0 um , over a 1.27 ~ 8.89 um ni plating rev. date 2005-02-24 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nw4003-cs03 1/5
saw bandpass filter 250951B part no. 250951B 3. specifications fo = 160.0 mhz terminating source impedance : 50 and matching network terminating load impedance : 50 and matching network minimum typical maximum center frequency mhz - 160.0 - insertion loss db - 23.0 25.0 1db bandwidth mhz 8.8 9.0 - 3db bandwidth mhz - 9.35 - 40db bandwidth mhz - 10.9 10.95 amplitude ripple (fo +/- 4.375 mhz) db - 0.8 1.0 group delay variation (fo +/- 4.375 mhz) nsec - 100 - absolute delay usec - 1.8 - ultimate rejection db 45 50 - temperature coefficient of frequency ppm/c - -23.0 - 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 2005-02-24 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nw4003-cs03 2/5
saw bandpass filter 250951B part no. 250951B 4. matching schematic ( actual matching values may vary due to pcb layout and parasitics ) c2 c1 l2 l1 input 50 output 50 l1 = 15 nh, l2 = 27 nh c1 = 27 pf, c2 = 47 pf 5. marking configuration itf 1) 04a001 2) 250951B 3) 4) 1) manufacturer name 2) lot number 3) part number 4) pad number 1 index rev. date 2005-02-24 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nw4003-cs03 3/5
saw bandpass filter 250951B part no. 250951B 6. typical performance ( at +25 ) ch1 s21 log 10 db/ ref -22.4 db center 160 . 000 000 mhz span 27. 000 000 mhz cor prm 18 mar 2004 04:55:40 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers bw: 10. 904144 mhz cent : 159 . 971150 mhz q: 14. 671 1_loss : -22 . 296 db ch2 s21 log 1 db/ ref -22.4 db cor prm ch4 s21 del 100 ns/ ref 1.799 us center 160 . 000 000 mhz span 11. 000 000 mhz cor smo 5 apr 2004 23:00:03 2 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch2 markers bw: 9. 436631 mhz cent : 159 . 972870 mhz q: 16. 952 1_loss : -22 . 507 db 4 1 2 3 2: -2 . 7364 ns 8. 750 000 mhz ref=3 ch4 markers mean : 1. 7621 us s. dev : 18. 995 ns p-p : 87. 044 ns rev. date 2005-02-24 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nw4003-cs03 4/5
saw bandpass filter 250951B part no. 250951B ch2 ch1 s21 log 10 db/ ref -22.79 db start . 010 000 mhz stop 400 . 000 000 mhz prm 18 mar 2004 05:00:57 1 1: -22 . 765 db 160 . 000 000 mhz rev. date 2005-02-24 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nw4003-cs03 5/5 s21 log 1 db/ ref -22.4 db center 160 . 000 000 mhz span 11. 000 000 mhz cor prm ch4 log 1 db/ ref -22.4 db cor s21 5 apr 2004 23:00:22 2 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz 2: - . 09130 db 8. 750 000 mhz ref=1 ch2 markers bw: 9. 056696 mhz cent : 159 . 975932 mhz q: 17. 664 1_loss : -22 . 508 db 4 1 2 3 ref=3 ch4 markers mean : -22 . 643 db s. dev : . 13600 db p-p : . 56140 db ch1 s11 swr 2 / ref 1 cor prm ch3 s22 swr 2 / ref 1 center 160 . 000 000 mhz span 27. 000 000 mhz cor 5 apr 2004 23:01:06 1 1: 7. 7129 160 . 000 000 mhz 1 1: 2. 0786 160 . 000 000 mhz ch1 s11 1 u fs center 160 . 000 000 mhz span 27. 000 000 mhz cor prm ch3 s22 1 u fs cor 5 apr 2004 23:01:13 1 1: 6. 9258 13. 005 12. 936 nh 160 . 000 000 mhz 1 1: 33. 744 26. 117 25. 979 nh 160 . 000 000 mhz
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