158.5 mhz saw filter part number 251931B tel: 82-32-621-1213 2013. 04. 26 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 18.8 mhz high attenuation single ended operation dual inline package (dip) 2. electrical specifications source and load impedance = 50 operating temperature : -30 ~ +80 minimum typical maximum center frequency (fo) mhz 158.5 insertion loss db 29.7 31.5 1db bandwidth mhz 18.70 18.82 3db bandwidth mhz 19.01 40db bandwidth mhz 19.85 20.0 amplitude ripple (fo 9.0 mhz) db 0.65 1.2 group delay variation (fo 9.0 mhz) nsec 40 80 absolute delay usec 4.28 ultimate rejection db 48 53 temperature coefficient of frequency ppm/ 18 input power : +10dbm room temperature : +25 minimum typical maximum insertion loss db 29.7 31.5 amplitude ripple (fo 9.16 mhz) db 0.65 1.2 group delay variation (fo 9.16 mhz) nsec 40 80 relative attenuation usec 2.14 (fo 9.0) 1.0mhz db 35 45 d3512 package dimension matching schematic l1 = 22nh, l2 = 18nh 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 251931B 158.5-18.8m 1 11 1 5 55 5
158.5 mhz saw filter part number 251931B tel: 82-32-621-1213 2013. 04. 26 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 -29.4 db center 158 . 500 000 mhz span 25 . 000 000 mhz cor hld ch4 s21 log 1 db/ ref -30.07 db cor hld 4 sep 2012 12:13:27 2 1 2 3 4 1 : 0 . 0000 db 0 . 000 000 mhz ref=1 ch2 markers bw : 18 . 818091 mhz cent : 158 . 481987 mhz q: 8 . 4218 1_ loss : -29 . 734 db 4 2 3 3 : - . 23260 db 18 . 320 000 mhz ref=2 ch4 markers mean : -29 . 704 db s . dev : . 10960 db p-p : . 68720 db ch1 s21 log 10 db/ ref -30.12 db center 158 . 500 000 mhz span 70 . 000 000 mhz cor hld 4 sep 2012 12:10:15 1 2 3 4 1 : 0 . 0000 db 0 . 000 000 mhz ref=1 ch1 markers bw : 19 . 853405 mhz cent : 158 . 473765 mhz q: 7 . 9822 1_ loss : -30 . 118 db 3db bandwidth & group delay relative attenuation ch2 s21 log 1 db/ ref -29.4 db cor hld ch4 s21 del 200 ns/ ref 4.277 us center 158 . 500 000 mhz span 25 . 000 000 mhz cor smo hld 4 sep 2012 12:13:48 2 1 2 3 4 1 : 0 . 0000 db 0 . 000 000 mhz ref=1 ch2 markers bw : 19 . 012430 mhz cent : 158 . 487112 mhz q: 8 . 3360 1_ loss : -29 . 734 db 4 2 3 3 : -6 . 5920 ns 18 . 320 000 mhz ref=2 ch4 markers mean : 4 . 2895 us s . dev : 7 . 7840 ns p-p : 40 . 527 ns ch1 s21 log 10 db/ ref -30.12 db * cor hld ch3 s21 log 10 db/ ref -30.12 db center 158 . 500 000 mhz span 70 . 000 000 mhz * c2 hld 4 sep 2012 12:11:18 1 2 3 2 : 0 . 0000 db 0 . 000 000 mhz ref=2 ch1 markers 1 : - . 12800 db 9 . 00000 mhz 3 : -46 . 667 db -1 . 00000 mhz 1 2 3 2 : 0 . 0000 db 0 . 000 000 mhz ref=2 ch3 markers 1 : . 20150 db -9 . 00000 mhz 3 : -54 . 212 db 1 . 00000 mhz wideband properties swr(s11 & s22) ch1 s21 log 10 db/ ref -32.64 db start . 010 000 mhz stop 600 . 000 000 mhz 4 sep 2012 12:16:26 1 1 : -33 . 737 db 158 . 500 000 mhz ch1 s22 swr 1 / ref 2.139 * cor hld ch3 s11 swr 1 / ref 1.67 center 158 . 500 000 mhz span 70 . 000 000 mhz * c2 hld 4 sep 2012 12:12:05 1 1 : 2 . 1389 158 . 500 000 mhz 2 2 : 1 . 6698 158 . 500 000 mhz
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