saw bandpass filter 250251B part no. 250251B 1. features z if bandpass filter z low-loss filter 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 250251B 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 2004-03-17 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nw3033-cs01 1/5
saw bandpass filter 250251B part no. 250251B 3. specifications fo = 140 mhz terminating source impedance : 50 and matching network terminating load impedance : 50 and matching network operating temperature range : -10 ~ +60 minimum typical maximum center frequency mhz - 140.0 - insertion loss db - 11.0 14.5 1db bandwidth mhz - 1.77 - 3db bandwidth mhz 1.9 2.2 - 25db bandwidth mhz - 3.4 3.5 amplitude ripple (fo +/- 0.6 mhz) db - 0.6 1.5 group delay variation (fo +/- 0.6 mhz) nsec - 170 300 absolute delay usec - 1.7 - attenuation at fo +/- 1.75 mhz db 20 25 - ultimate rejection db 35 45 - temperature coefficient of frequency ppm/c - -23 - room temperature : +25 minimum typical maximum amplitude ripple (fo +/- 0.7 mhz) db - 0.6 1.5 group delay variation (fo +/- 0.7 mhz) nsec - 180 300 notes : 1) all specifications are based on the matching schematic shown below 2) all specifications are measured by agilen t network analyzer and full 2 port calibration 3) electrical margin has been built in to the design to account for the variations due to temperature drift and manufacturing tolerances 4) all attenuation measurements are m easured relative to insertion loss rev. date 2004-03-17 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nw3033-cs01 2/5
saw bandpass filter 250251B part no. 250251B 4. matching schematic ( actual matching values may vary due to pcb layout and parasitics ) l2 output 50 l1 input 50 l1 = l2 = 39 nh 5. marking configuration itf 1) 04a001 2) 250251B 3) 4) 1) manufacturer name 2) lot number 3) part number 4) pad number 1 index rev. date 2004-03-17 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nw3033-cs01 3/5
saw bandpass filter 250251B part no. 250251B ch1 s 21 log mag 10 db/ ref -11.13 db ch1 center 140.000 000 mhz span 10.000 000 mhz ce14x2 cor prm 6 dec 2003 08:58:11 1 2 3 4 1_: 0 db 0.000 000 mhz ref=1 bw: 3.418 460 mhz cent: 139.977237 mhz q: 40.947 1_ loss: -11.057 db 6. typical performance ( at +25 ) ch1 s 21 log mag 1 db/ ref -10.88 db ce14x2 cor prm ch2 s 21 delay ref 2.065 us 500 ns/ center 140.000 000 mhz span 4.000 000 mhz 5-1 s1365 m2s cor smo prm 5 dec 2003 10:48:06 1 1 2 3 4 1_ 0 db 0.000 000 mhz ref=1 bw: 2.217 054 mhz cent: 139.998265 mhz q: 63.146 1_ loss: -10.893 db 2 1 2 3 3_: 6.1034 ns 1.200 000 mhz ref=2 mean: 1.710 5 us s.dev: 41.351 ns p-p: 149.73 ns rev. date 2004-03-17 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nw3033-cs01 4/5
saw bandpass filter 250251B part no. 250251B ch1 s 21 log mag 1 db/ ref -10.88 db center 140.000 000 mhz span 4.000 000 mhz ce14x2 cor pr ch1 s 21 log mag 10 db/ ref -11.29 db start .010 000 mhz stop 500.000 000 mhz ce14x2 prm 5 dec 2003 10:50:42 1 2 3 1_: 0 db 0.000 000 mhz ref=1 2_:-25.194 db 137.524 mhz 3_:-29.731 db 279.451 mhz rev. date 2004-03-17 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nw3033-cs01 5/5 m ch2 s 21 log mag ref -10.88 db 1 db/ 5-1 s1365 m2s cor smo prm 5 dec 2003 10:48:24 1 1 2 3 4 1_: 0 db 0.000 000 mhz ref=1 bw: 1.762 075 mhz cent: 140.033936 mhz q: 79.471 1_ loss: -10.898 db 2 1 2 3 3_ .2651 db 1.200 000 mhz ref=2 mean:-11.005 db s.dev: .0984 db p-p: .3554 db ch1 s 11 swr 2 / ref -7.722 ce14x2 cor prm ch2 s 22 swr ref -3.552 2 / center 140.000 000 mhz span 10.000 000 mhz 5-1 s1365 m2s cor prm 5 dec 2003 10:49:50 1 1 1_ 2.3904 140.000 000 mhz 2 2 2_: 2.5255 140.000 000 mhz ch1 s 11 1 u fs center 140.000 000 mhz span 10.000 000 mhz ce14x2 cor prm ch2 s 22 1 u fs 5-1 s1365 m2s cor prm 5 dec 2003 10:49:12 1 1_: 72.992 -49.195 23.108 pf 140.000 000 mhz 2 2_ 86.906 -51.445 22.098 pf 140.000 000 mhz
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