155.0 mhz saw filter part number 251929B tel: 82-32-621-1213 2013. 04. 01 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 1db bandwidth of 19.4 mhz high attenuation single ended operation dual inline package (dip) 2. electrical specifications source and load impedance = 50 room temperature : +25 minimum typical maximum center frequency (fo) mhz 155.0 insertion loss db 24.0 25.5 1db bandwidth mhz 19.3 19.48 3db bandwidth mhz 19.86 40db bandwidth mhz 21.57 21.9 amplitude ripple db 0.6 1.0 group delay variation nsec 30 80 absolute delay usec 1.71 ultimate rejection db 50 55 temperature coefficient of frequency ppm/ 72 d2012 package dimension matching schematic l1 = 33nh, l2 = 22nh, c1 = 39pf pin configuration input 1 ground 2,4 12.70.5 20.30.5 5.5max 6.0max 7.60.2 2.50.2 0.450.05 12.70.2 2.50.2 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 c1 l2 l1 input 50 output 50 itf 13a001 251929B 155-19.4m 1 11 1 5 55 5
155.0 mhz saw filter part number 251929B tel: 82-32-621-1213 2013. 04. 01 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 ) 1db bandwidth & ripple 40db bandwidth ch2 s21 log 1 db/ ref -23.51 db cor ch4 s21 log 1 db/ ref -24.13 db center 155 . 000 000 mhz span 24 . 000 000 mhz cor 10 sep 2012 22:51:47 2 1 2 3 4 1 : 0 . 0000 db 0 . 000 000 mhz ref=1 ch2 markers bw : 19 . 480592 mhz cent : 154 . 795170 mhz q: 7 . 9461 1_ loss : -23 . 919 db 4 2 3 3 : - . 12160 db 18 . 600 000 mhz ref=2 ch4 markers mean : -23 . 916 db s . dev : . 10720 db p-p : . 62720 db ch1 s21 log 10 db/ ref -24.03 db center 155 . 000 000 mhz span 70 . 000 000 mhz cor 10 sep 2012 22:49:28 1 2 3 4 1 : 0 . 0000 db 0 . 000 000 mhz ref=1 ch1 markers bw : 21 . 570857 mhz cent : 154 . 747682 mhz q: 7 . 1739 1_ loss : -23 . 973 db 3db bandwidth & group delay smith chart ch2 s21 log 1 db/ ref -23.51 db cor ch4 s21 del 300 ns/ ref 1.685 us center 155 . 000 000 mhz span 24 . 000 000 mhz cor smo 10 sep 2012 22:52:01 2 1 2 3 4 1 : 0 . 0000 db 0 . 000 000 mhz ref=1 ch2 markers bw : 19 . 863530 mhz cent : 154 . 790191 mhz q: 7 . 7927 1_ loss : -23 . 911 db 4 2 3 3 : -34 . 332 ns 18 . 600 000 mhz ref=2 ch4 markers mean : 1 . 7170 us s . dev : 7 . 5990 ns p-p : 46 . 539 ns ch1 s11 1 u fs center 155 . 000 000 mhz span 70 . 000 000 mhz cor ch3 s22 1 u fs cor 10 sep 2012 22:50:29 1 1 : 11 . 427 12 . 440 12 . 774 nh 155 . 000 000 mhz 2 2 : 5 . 9275 -3 . 1926 321 . 62 pf 155 . 000 000 mhz wideband properties swr(s11 & s22) ch1 s21 log 10 db/ ref -25.71 db start . 010 000 mhz stop 600 . 000 000 mhz 10 sep 2012 22:53:17 1 1 : -25 . 812 db 155 . 000 000 mhz ch1 s11 swr 5 / ref 4.666 cor ch3 s22 swr 5 / ref 8.469 center 155 . 000 000 mhz span 70 . 000 000 mhz cor 10 sep 2012 22:50:14 1 1 : 4 . 6663 155 . 000 000 mhz 2 2 : 8 . 4580 155 . 000 000 mhz
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