saw bandpass filter 251910B part no. 251910B 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 7.60.2 2.50.2 25.40.2 2.50.2 0.450.05 6.0max 5.5max 35.10.5 12.80.5 itf 05a001 251910B package : d3512 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 2005-10-04 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nm5021- cs02 1/5
saw bandpass filter 251910B part no. 251910B 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 159.85 160.0 160.15 insertion loss db - 25.0 26.0 1db bandwidth mhz - 19.3 - 3db bandwidth mhz 19.5 19.75 - 40db bandwidth mhz - 21.5 21.7 amplitude ripple (fo +/- 9.375 mhz) db - 0.7 1.0 group delay variation (fo +/- 9.375 mhz) nsec - 50 100 absolute delay usec - 1.78 - ultimate rejection db 45 48 - temperature coefficient of frequency ppm/c - -72 - 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 2005-10-04 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nm5021- cs02 2/5
saw bandpass filter 251910B part no. 251910B 4. matching schematic ( actual matching values may vary due to pcb layout and parasitics ) c2 c1 l2 l1 input 50 output 50 l1 = 12nh, l2 = 12 nh c1 = 22pf, c2 = 22 pf 5. marking configuration itf 1) 05a001 2) 251910B 3) 1) manufacturer name 2) lot number 3) part number rev. date 2005-10-04 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nm5021- cs02 3/5
saw bandpass filter 251910B part no. 251910B ch1 s21 log 10 db/ ref -25.2 db center 160 . 000 000 mhz span 55. 000 000 mhz cor 1 oct 2005 13:30:29 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers bw: 21. 469458 mhz cent : 159 . 951938 mhz q: 7. 4502 1_loss : -25 . 241 db 6. typical performance ( at +25 ) ch1 s21 log 1 db/ ref -25.03 db cor ch2 s21 del 100 ns/ ref 1.757 us center 160 . 000 000 mhz span 23. 000 000 mhz cor smo 1 oct 2005 13:55:17 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers bw: 19. 784224 mhz cent : 159 . 992949 mhz q: 8. 0869 1_loss : -25 . 147 db 1 2 2: -3 . 3547 ns 18. 750 000 mhz ref=1 ch2 markers mean : 1. 7724 us s. dev : 6. 3760 ns p-p : 32. 309 ns rev. date 2005-10-04 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nm5021- cs02 4/5
saw bandpass filter 251910B part no. 251910B ch1 s21 log 1 db/ ref -25.03 db cor ch2 s21 log 1 db/ ref -25.58 db ch1 s21 log 10 db/ ref -25.08 db start . 010 000 mhz stop 600 . 000 000 mhz 1 oct 2005 13:25:29 1 2 3 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers 2: -64 . 603 db 160 . 000 mhz 3: -62 . 654 db 320 . 000 mhz rev. date 2005-10-04 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nm5021- cs02 5/5 center 160 . 000 000 mhz span 23. 000 000 mhz cor 1 oct 2005 13:54:51 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers bw: 19. 379016 mhz cent : 159 . 993535 mhz q: 8. 2560 1_loss : -25 . 145 db 1 2 2: . 09290 db 18. 750 000 mhz ref=1 ch2 markers mean : -25 . 193 db s. dev : . 11620 db p-p : . 64430 db ch1 s11 log .5 db/ ref -1.897 db center 160 . 000 000 mhz span 55. 000 000 mhz cor ch2 s22 log .5 db/ ref -2.182 db cor 1 oct 2005 13:22:40 1 1: -1 . 9016 db 160 . 000 000 mhz ch1 2 2: -2 . 1869 db 160 . 000 000 mhz s11 1 u fs center 160 . 000 000 mhz span 55. 000 000 mhz cor ch2 s22 1 u fs cor 1 oct 2005 13:22:56 -6 . 7361 1 1: 5. 5574 147 . 67 pf 160 . 000 000 mhz -8 . 6274 2 2: 6. 4678 115 . 30 pf 160 . 000 000 mhz
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