140.0 mhz saw filter part number 251803B tel: 82-32-621-1213 2013. 04. 26 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 17.8 mhz high attenuation single ended operation dual in-line package (dip) 2. electrical specifications source and load impedance = 50 6 operating temperature : -30 ~ +80 minimum typical maximum center frequency (fo) mhz - 140.0 - insertion loss db - 30.5 32.0 1db bandwidth mhz 17.65 17.81 - 3db bandwidth mhz - 18.02 - 40db bandwidth mhz - 18.85 19.0 amplitude ripple (fo 8.5 mhz) db - 0.75 1.2 group delay variation (fo 8.5 mhz) nsec - 40 80 absolute delay usec - 4.25 - ultimate rejection db 48 53 - temperature coefficient of frequency ppm/ - -18 - input power : +10dbm room temperature : +25 minimum typical maximum insertion loss db - 30.5 32.0 amplitude ripple (fo 8.64 mhz) db - 0.75 1.2 group delay variation (fo 8.64 mhz) nsec - 40 80 relative attenuation (fo8.5) 1.0mhz dbc 35 45 d3512 package dimension matching schematic l1 = 27nh, l2 = 22nh pin configuration input 1 ground 2,4 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 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 l2 output 50 l1 input 50 itf 13a001 251803B 140-17.8m 1 11 1 5 55 5
140.0 mhz saw filter part number 251803B tel: 82-32-621-1213 2013. 04. 26 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 40db bandwidth 3db bandwidth & group delay 50db bandwidth wide band properties swr(s11 & s22) ch1 s11 swr 1 / ref 1.935 * cor hld ch3 s22 swr 1 / ref 2.26 center 140 . 000 000 mhz span 60 . 000 000 mhz * c2 hld 4 sep 2012 14:44:39 1 1 : 1 . 9349 140 . 000 000 mhz 2 2 : 2 . 2605 140 . 000 000 mhz ch1 s21 log 10 db/ ref -33.28 db start . 010 000 mhz stop 500 . 000 000 mhz marker 1 140 mhz 4 sep 2012 14:51:10 1 1 : -33 . 181 db 140 . 000 000 mhz ch1 s21 log 10 db/ ref -30.95 db * cor hld ch3 s21 log 10 db/ ref -30.95 db center 140 . 000 000 mhz span 60 . 000 000 mhz * c2 hld 4 sep 2012 14:43:42 1 2 3 2 : 0 . 0000 db 0 . 000 000 mhz ref=2 ch1 markers 1 : - . 52920 db 8 . 50000 mhz 3 : -58 . 938 db -1 . 00000 mhz 1 2 3 2 : 0 . 0000 db 0 . 000 000 mhz ref=2 ch3 markers 1 : - . 27640 db -8 . 50000 mhz 3 : -42 . 859 db 1 . 00000 mhz ch2 s21 log 1 db/ ref -29.89 db cor ch4 s21 del 100 ns/ ref 4.258 us center 140 . 000 000 mhz span 20 . 000 000 mhz cor smo 4 sep 2012 14:48:10 2 1 2 3 4 1 : 0 . 0000 db 0 . 000 000 mhz ref=1 ch2 markers bw: 18 . 004440 mhz cent : 140 . 065380 mhz q: 7 . 7795 1_ loss : -30 . 550 db 4 2 3 3 : 6 . 0118 ns 17 . 280 000 mhz ref=2 ch4 markers mean : 4 . 2556 us s . dev : 7 . 7440 ns p-p : 47 . 149 ns ch1 s21 log 10 db/ ref -30.95 db center 140 . 000 000 mhz span 60 . 000 000 mhz * cor hld 4 sep 2012 14:42:29 1 2 3 4 1 : 0 . 0000 db 0 . 000 000 mhz ref=1 ch1 markers bw: 18 . 847738 mhz cent : 140 . 060394 mhz q: 7 . 4312 1_ loss : -30 . 945 db ch2 s21 log 1 db/ ref -29.89 db cor ch4 s21 log 1 db/ ref -30.65 db center 140 . 000 000 mhz span 20 . 000 000 mhz cor 4 sep 2012 14:47:41 2 1 2 3 4 1 : 0 . 0000 db 0 . 000 000 mhz ref=1 ch2 markers bw: 17 . 814788 mhz cent : 140 . 062571 mhz q: 7 . 8622 1_ loss : -30 . 527 db 4 2 3 3 : - . 02300 db 17 . 280 000 mhz ref=2 ch4 markers mean : -30 . 402 db s . dev : . 13840 db p-p : . 76430 db
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