125.0 mhz saw filter part number 251933B tel: 82-32-621-1213 2013. 04. 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 18.9 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 124.87 125.0 125.13 insertion loss db 23.7 25.5 1db bandwidth mhz 18.80 18.94 3db bandwidth mhz 19.24 45db bandwidth mhz 20.56 20.65 amplitude ripple (fo 9.22mhz) db 0.55 1.0 group delay variation (fo 9.22mhz) nsec 45 100 absolute delay usec 2.26 2.28 ultimate rejection db 50 55 temperature coefficient of frequency ppm/ 72 substrate material 128ln * input power : 10dbm d2012 package dimension matching schematic l1 = 39nh, l2 = 47nh, c1 = 36pf, c2 = 30pf 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 c2 c1 l2 l1 input 50 output 50 itf 13a001 251933B 125-18.9m 1 11 1 5 55 5
125.0 mhz saw filter part number 251933B tel: 82-32-621-1213 2013. 04. 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 45db bandwidth ch1 s21 log 1 db/ ref -23.48 db cor ch2 s21 log 1 db/ ref -24.06 db center 125. 000 000 mhz span 24. 000 000 mhz cor 26 oct 2012 14:18:47 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers bw: 18. 948880 mhz cent : 125. 154843 mhz q: 6. 6049 1_loss : -23 . 736 db 2 3 3: . 16390 db 18. 440 000 mhz ref=2 ch2 markers mean:-23 . 735 db s. dev : . 12510 db p-p : . 57370 db ch1 s21 log 10 db/ ref -23.7 db center 125. 000 000 mhz span 65. 000 000 mhz cor 26 oct 2012 14:17:23 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers bw: 20. 567537 mhz cent : 125. 164622 mhz q: 6. 0855 1_loss : -23 . 770 db 3db bandwidth & group delay smith chart(s11 & s22) ch1 s21 log 1 db/ ref -23.48 db cor ch2 s21 del 50 ns/ ref 2.292 us center 125. 000 000 mhz span 24. 000 000 mhz cor smo 26 oct 2012 14:19:12 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers bw: 19. 243128 mhz cent : 125. 159432 mhz q: 6. 5041 1_loss : -23 . 736 db 2 3 3: 9. 1127 ns 18. 440 000 mhz ref=2 ch2 markers mean: 2. 2645 us s. dev : 8. 6412 ns p-p : 44. 505 ns ch1 s11 1 u fs center 125. 000 000 mhz span 65. 000 000 mhz cor ch2 s22 1 u fs cor 26 oct 2012 14:23:04 1 1: 8. 8198 -971 . 19 m 1. 3110 nf 125. 000 000 mhz 2 2: 9. 5347 1. 3833 1. 7613 nh 125. 000 000 mhz wideband properties swr(s11 & s22) ch1 s21 log 10 db/ ref -24.09 db start . 010 000 mhz stop 500. 000 000 mhz 26 oct 2012 14:25:20 1 2 3 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers 2:-75 . 709 db 125. 000 mhz 3:-78 . 463 db 250. 000 mhz ch1 s11 swr 10 / ref 5.673 cor ch2 s22 swr 10 / ref 5.249 center 125. 000 000 mhz span 65. 000 000 mhz cor 26 oct 2012 14:22:52 1 1: 5. 6658 125. 000 000 mhz 2 2: 5. 2488 125. 000 000 mhz
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