saw bandpass filter 250203B part no. 250203B 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 250203B package : d3512 pin configuration 1 input 5 output 2, 4 ground other 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 2005-04-04 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nw5004-cs01 1/5
saw bandpass filter 250203B part no. 250203B 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 139.9 140.0 140.1 insertion loss db - 22.5 25 1db bandwidth mhz 1.5 1.83 - 3db bandwidth mhz 2.0 2.07 - 40db bandwidth mhz - 3.06 3.15 amplitude ripple (fo +/- 0.75 mhz) db - 0.5 1.0 group delay variation (fo +/- 0.75 mhz) nsec - 110 300 absolute delay usec - 3.0 - ultimate rejection db 50 55 - temperature coefficient of frequency ppm/c 2 - -0.03 - 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 2005-04-04 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nw5004-cs01 2/5
saw bandpass filter 250203B part no. 250203B 4. matching schematic ( actual matching values may vary due to pcb layout and parasitics ) l2 output 50 l1 input 50 l1 = 68 nh, l2 = 56 nh 5. marking configuration itf 1) 05a001 2) 250203B 3) 1) manufacturer name 2) lot number 3) part number rev. date 2005-04-04 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nw5004-cs01 3/5
saw bandpass filter 250203B part no. 250203B 6. typical performance ( at +25 ) ch1 s21 log 10 db/ ref -21.8 db center 140 . 000 000 mhz span 10 . 000 000 mhz 250203B cor 15 apr 2005 11:18:18 1 2 3 4 1 : 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers bw: 3. 059109 mhz cent : 139 . 981382 mhz q: 45 . 759 1_loss : -22 . 280 db 15 apr 2005 11:19:11 ch2 rev. date 2005-04-04 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nw5004-cs01 4/5 s21 log 1 db/ ref -21.8 db center 140 . 000 000 mhz span 3. 000 000 mhz 250203B cor ch4 s21 del 200 ns/ ref 2.94 us cor smo 2 1 2 3 4 1 : 0. 0000 db 0. 000 000 mhz ref=1 ch2 markers bw: 2. 104084 mhz cent : 139 . 982766 mhz q: 66 . 529 1_loss : -22 . 295 db 4 2 3 3 : -5 . 4679 ns 1. 500 000 mhz ref=2 ch4 markers mean : 2. 9871 us s. dev : 19 . 484 ns p-p : 90 . 790 ns
saw bandpass filter 250203B part no. 250203B ch1 s21 log 10 db/ ref -21.8 db start . 010 000 mhz stop 350. 000 000 mhz 250203B 15 apr 2005 11:22:52 1 2 3 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1markers 2:-17 . 266 db 87. 0000 mhz 3:-19 . 241 db 116. 000 mhz rev. date 2005-04-04 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nw5004-cs01 5/5 ch 2 s21 log 1 db/ ref -21.8 db center140. 000 000 mhz span 3. 000 000 mhz 250203B cor ch 4 s21 log 1 db/ ref -21.8 db 15 apr 2005 11:19:24 2 cor 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch2markers bw: 1. 899332 mhz cent : 139. 984294 mhz q: 73. 702 1_loss : -22 . 286 db 4 2 3 3: . 09050 db 1. 500 000 mhz ref=2 ch4markers mean:-22 . 121 db s. dev: . 10100 db p-p : . 39770 db ch1 s11 swr 2 / ref 0 center140. 000 000 mhz span 10. 000 000 mhz 250203B cor ch3 s22 swr 2 / ref 0 15 apr 2005 11:21:43 cor 1 1: 5. 9468 140. 000 000 mhz 2 2: 5. 3027 140. 000 000 mhz ch1 s11 1 u fs center140. 000 000 mhz span 10. 000 000 mhz 250203B cor ch3 s22 1 u fs cor 15 apr 2005 11:21:35 1 1: 70. 051 -118 . 48 9. 5953 pf 140. 000 000 mhz 2 2: 156. 80 -126 . 46 8. 9895 pf 140. 000 000 mhz
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