142.5 mhz saw filter part number 250254B tel: 82-32-621-1213 2011. 11. 04 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 fax: 82-32-621-1218 http://www.itf.co.kr sales@itf.co.kr rev 1.0 1. features typical 1db bandwidth of 2.5 mhz high attenuation single ended operation surface mounted package (smd) 2. electrical specifications source and load impedance = 505 room temperature : +25 minimum typical maximum center frequency (fo) mhz - 142.5 - insertion loss db - 22.5 24.0 1db bandwidth mhz 2.35 2.5 - 3db bandwidth mhz - 2.83 - 40db bandwidth mhz - 4.3 4.45 amplitude ripple (fo 1.0 mhz) db - 0.3 1.0 group delay variation (fo 1.0 mhz) nsec - 60 150 absolute delay usec - 1.83 - ultimate rejection db 48 52 - temperature coefficient of frequency ppm/ 2 - -0.03 - s1365 package dimension matching schematic pin configuration input 11 ground 6,12 12 11 10 9 8 7 65 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 dimensions shown are nominal in millimeters body : al 2 o 3 lid : kovar, ni plated termination : au plating 0.3 ~ 1.0um, over a 1.27 ~ 8.89um ni plating output 5 others ground l2 l1 output 50 input 50 itf 11a001 250254B . 142.5-2.5m 11 5 270nh 270nh
142.5 mhz saw filter part number 250254B tel: 82-32-621-1213 2011. 11. 04 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 fax: 82-32-621-1218 http://www.itf.co.kr sales@itf.co.kr rev 1.0 3. typical performance ( at +25 ) 1db bandwidth & ripple 3db bandwidth & group delay 40db bandwidth wide band properties smith chart(s11 & s22) swr(s11 & s22) ch1 s11 swr 5 / ref 5.719 center 142 . 500 000 mhz span 15. 000 000 mhz cor ch2 s22 swr 5 / ref 6.698 cor 11 feb 2011 18:26:58 1 1: 5. 7141 142 . 500 000 mhz 2 2: 6. 7092 142 . 500 000 mhz ch1 s11 1 u fs cor ch2 s22 1 u fs center142. 500 000 mhz span 15. 000 000 mhz cor 11 feb 2011 18:27:11 1 1: 152. 38 -138 . 83 8. 0450 pf 142. 500 000 mhz 2 2: 211. 12 -159 . 13 7. 0185 pf 142. 500 000 mhz ch1 s21 log 10 db/ ref -23.52 db start . 010 000 mhz stop 500 . 000 000 mhz 11 feb 2011 18:28:43 1 2 3 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers 2:-22 . 835 db 89. 3000 mhz 3:-19 . 090 db 117 . 400 mhz ch1 s21 log 10 db/ ref -22.16 db center 142 . 500 000 mhz span 15. 000 000 mhz * cor 11 feb 2011 18:24:16 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers bw: 4. 298252 mhz cent : 142 . 475047 mhz q: 33. 147 1_loss : -22 . 170 db ch1 s21 log 1 db/ ref -21.97 db cor ch2 s21 del 100 ns/ ref 1.792 us center 142 . 500 000 mhz span 3. 000 000 mhz cor smo 11 feb 2011 18:26:13 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers bw: 2. 832635 mhz cent : 142 . 477559 mhz q: 50. 299 1_loss : -22 . 167 db 2 3 3: 6. 9090 ns 2. 000 000 mhz ref=2 ch2 markers mean: 1. 8316 us s. dev : 12. 623 ns p-p : 59. 636 ns ch1 s21 log 1 db/ ref -21.97 db center 142 . 500 000 mhz span 3. 000 000 mhz cor ch2 s21 log 1 db/ ref -22.23 db cor 11 feb 2011 18:25:20 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers bw: 2. 502379 mhz cent : 142 . 483901 mhz q: 56. 939 1_loss : -22 . 179 db 2 3 3: . 11030 db 2. 000 000 mhz ref=2 ch2 markers mean: -22 . 107 db s. dev : . 06760 db p-p : . 28610 db
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