742.0 mhz saw filter part number T74251B tel: 82-32-621-1213 2013. 03. 29 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 28.35 mhz high attenuation single ended operation surface mounted package (smd) 2. electrical specifications source and load impedance = 50 room temperature : +25 minimum typical maximum center frequency (fo) mhz 742.0 insertion loss db 29.0 31.0 1db bandwidth mhz 28.0 28.35 3db bandwidth mhz 29.06 35db bandwidth mhz 32.0 32.3 40db bandwidth mhz 32.3 amplitude ripple (fo 14.0 mhz) db 0.8 1.4 group delay variation (fo 14.0 mhz) nsec 35 80 absolute delay usec 1.21 relative attenuation 728.0 mhz C 2.0 mhz db 20 30 756.0 mhz + 2.0 mhz db 20 40 ultimate rejection db 40 temperature coefficient of frequency ppm/ 2 0.03 s1365 package dimension matching network configurat ion 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 6.8nh itf rsoc01 T74251B 742-28.3m input 50 output 50 11 5 5.6nh 11pf 12pf
742.0 mhz saw filter part number T74251B tel: 82-32-621-1213 2013. 03. 29 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(fo 14.0 mhz) 35db & 40db b andwidth 3db bandwidth & group delay(fo 14.0 mhz) relative attenuation wideband properties swr(s11 & s22) ch1 s11 swr 1 / ref 0 center 742 . 000 000 mhz span 90 . 000 000 mhz mi742a c3 cor prm ch3 s22 swr 1 / ref 0 13 jan 2012 11:02:31 1 1: 1. 6680 742 . 000 000 mhz 2 2: 1. 5654 742 . 000 000 mhz ch1 s21 log 10 db/ ref -28.2 db start . 010 000 mhz stop 2 000 . 000 000 mhz mi742a c3 prm 13 jan 2012 11:02:54 1 1: -29 . 819 db 742 . 000 000 mhz ch1 s21 log 10 db/ ref -28.2 db center 742 . 000 000 mhz span 90 . 000 000 mhz mi742a c3 cor prm ch3 s21 log 10 db/ ref -28.2 db 13 jan 2012 11:01:00 1 2 3 2: 0. 0000 db 0. 000 000 mhz ref=2 ch1 markers 1 : . 56270 db 14 . 0000 mhz 3: -31 . 687 db -2 . 00000 mhz 1 2 3 2: 0. 0000 db 0. 000 000 mhz ref=2 ch3 markers 1 : . 45490 db -14 . 0000 mhz 3: -40 . 954 db 2. 00000 mhz ch1 s21 log 10 db/ ref -28.2 db center 742 . 000 000 mhz span 90 . 000 000 mhz mi742a c3 cor prm ch3 s21 log 10 db/ ref -28.2 db 13 jan 2012 11:15:35 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers bw: 31 . 954975 mhz cent : 741 . 906027 mhz q: 23 . 217 1_loss : -28 . 343 db 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch3 markers bw: 32 . 189460 mhz cent : 741 . 880834 mhz q: 23 . 047 1_loss : -28 . 343 db ch2 s21 log 1 db/ ref -28.2 db center 742 . 000 000 mhz span 35 . 000 000 mhz 3-3 s1365 mxs cor prm ch4 s21 del 150 ns/ ref 1.19 us smo 13 jan 2012 11:01:44 2 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch2 markers bw: 29 . 065493 mhz cent : 741 . 988613 mhz q: 25 . 528 1_loss : -28 . 373 db 4 2 3 3: 14 . 169 ns 28 . 000 000 mhz ref=2 ch4 markers mean : 1. 2104 us s. dev : 7. 7146 ns p-p : 32 . 000 ns ch2 s21 log 1 db/ ref -28.2 db center 742 . 000 000 mhz span 35 . 000 000 mhz 3-3 s1365 mxs cor prm ch4 s21 log 1 db/ ref -28.2 db 13 jan 2012 11:01:54 2 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch2 markers bw: 28 . 386166 mhz cent : 742 . 003482 mhz q: 26 . 140 1_loss : -28 . 378 db 4 2 3 3: . 13700 db 28 . 000 000 mhz ref=2 ch4 markers mean : -28 . 490 db s. dev : . 14860 db p-p : . 69880 db
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