140.0 mhz saw filter part number 250421B tel: 82-32-621-1213 2010. 04. 05 i t f co., ltd. 102901, bucheon technopark 364, samjeongdong, ojeonggu, bucheoncity, gyounggido, korea 421809 fax: 82-32-621-1218 http://www.itf.co.kr sales@itf.co.kr rev 1.0 1. features typical 2db bandwidth of 4.2 mhz single ended operation dip package 2. electrical specifications source and load impedance = 50 room temperature : +25 minimum typical maximum center frequency (fo) mhz 140.0 insertion loss db 24.5 26.5 2db bandwidth mhz 4.16 4.19 3db bandwidth mhz 4.27 25db bandwidth mhz 4.91 5.0 40db bandwidth mhz 5.08 amplitude ripple (fo 1.9 mhz) db 0.5 1.0 group delay variation (fo 1.9 mhz) nsec 125 230 absolute delay usec 3.08 ultimate rejection db 50 54 temperature coefficient of frequency ppm/ 2 0.03 d3512 package dimension matching schematic pin configuration input 1 ground 2,4 7.6 0.2 2.50.2 25.40.2 2.50.2 0.450.05 6.0m ax 5.5m ax 35.10.5 12.8 0.5 dimensions shown are nominal in millimeters base : fe(spcc), au plating over ni plated cap : cu & cr alloy, ni plated termination : kovar, au plated output 5 others ground 1 5 51 pf 39 pf 100 nh 100 nh input 50 output 50 itf 10 itf 10 itf 10 itf 10 a001 a001 a001 a001 250421 250421 250421 250421 b bb b 140 140 140 140 - -- - 4.2 4.2 4.2 4.2 m mm m
140.0 mhz saw filter part number 250421B tel: 82-32-621-1213 2010. 04. 05 i t f co., ltd. 102901, bucheon technopark 364, samjeongdong, ojeonggu, bucheoncity, gyounggido, korea 421809 fax: 82-32-621-1218 http://www.itf.co.kr sales@itf.co.kr rev 1.0 3. typical performance ( at +25 ) 2db bandwidth & ripple 3db bandwidth & group delay 25db & 40db bandwidth wide band properties smith chart swr(s11 & s22) ch1 s11 swr 1 / ref 1 center 140. 000 000 mhz span 20. 000 000 mhz cor ch3 s22 swr 1 / ref 1 cor 7 jan 2010 03:53:27 1 1: 1. 5150 140 . 000 000 mhz 2 2: 1. 8782 140 . 000 000 mhz ch1 s11 1 u fs center 140. 000 000 mhz span 20. 000 000 mhz cor ch3 s22 1 u fs cor 7 jan 2010 03:53:20 1 1: 43. 844 18. 607 21. 153 nh 140 . 000 000 mhz 2 2: 93. 816 3. 5664 4. 0544 nh 140 . 000 000 mhz ch1 s21 log 10 db/ ref -24.6 db start . 010 000 mhz stop 500. 000 000 mhz 7 jan 2010 03:54:45 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers 2:-65 . 016 db 88. 3000 mhz 3:-67 . 535 db 140. 000 mhz 4:-60 . 906 db 280. 000 mhz ch1 s21 log 10 db/ ref -24.6 db center 140. 000 000 mhz span 20. 000 000 mhz cor ch3 s21 log 10 db/ ref -24.6 db cor 7 jan 2010 03:52:31 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers bw: 4. 905354 mhz cent : 139. 994308 mhz q: 28. 539 1_loss : -24 . 589 db 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch3 markers bw: 5. 086896 mhz cent : 139. 992029 mhz q: 27. 520 1_loss : -24 . 589 db ch2 s21 log 1 db/ ref -24.6 db center 140. 000 000 mhz span 5. 000 000 mhz cor ch4 s21 del 200 ns/ ref 3.23 us cor smo 7 jan 2010 03:52:39 2 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch2 markers bw: 4. 267080 mhz cent : 140. 000835 mhz q: 32. 810 1_loss : -24 . 618 db 4 2 3 3:-15 . 411 ns 3. 800 000 mhz ref=2 ch4 markers mean: 3. 0888 us s. dev : 28. 602 ns p-p : 116. 12 ns ch2 s21 log 1 db/ ref -24.6 db cor ch4 s21 log 1 db/ ref -24.6 db center 140. 000 000 mhz span 5. 000 000 mhz cor 7 jan 2010 03:52:48 2 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch2 markers bw: 4. 182373 mhz cent : 140. 001181 mhz q: 33. 474 1_loss : -24 . 631 db 4 2 3 3: . 13290 db 3. 800 000 mhz ref=2 ch4 markers mean:-24 . 801 db s. dev : . 09770 db p-p : . 38750 db
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