142.7 mhz saw filter part number 250121B tel: 82-32-621-1213 2014. 02. 07 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 1.4 mhz high attenuation single ended operation dual in-line package (dip) 2. electrical specifications source and load impedance = 505 room temperature : +25 minimum typical maximum center frequency (fo) mhz 142.6 142.7 142.8 insertion loss db - 22.0 24.0 1db bandwidth mhz - 1.39 - 3db bandwidth mhz 1.45 1.58 - 30b bandwidth mhz - 2.28 - 50db bandwidth mhz - 2.53 2.7 amplitude ripple (fo 0.625 mhz) db - 0.6 1.5 group delay variation (fo 0.625 mhz) nsec - 150 3 00 absolute delay usec - 3.8 4.0 relative attenuation (fo 10mhz) dbc 50 55 ultimate rejection db 50 55 temperature coefficient of frequency ppm/ 2 - -0.03 - input power : +10dbm d3512 package dimension matching network configurat ion l1 = 39nh, l2 = 47nh c1 = 43pf, c2 = 39pf 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 c2 c1 l2 l1 input 50 output 50 itf rdpb07 250121B 142.7-1.4m 1 11 1 5 55 5
142.7 mhz saw filter part number 250121B tel: 82-32-621-1213 2014. 02. 07 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 30db bandwidth & 50db bandwidth 3db bandwidth & group delay relative attenuation wideband properties swr(s11 & s22) ch1 s21 log 10 db/ ref -24.57 db start . 010 000 mhz stop 500. 000 000 mhz 6 feb 2014 10:54:05 1 2 3 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers 2:-34 . 696 db 88. 7000 mhz 3:-44 . 200 db 118. 000 mhz ch1 s11 swr 2 / ref 5.419 cor ch2 s22 swr 2 / ref 3.618 center 142. 700 000 mhz span 10. 000 000 mhz cor 6 feb 2014 10:52:53 1 1: 5. 3994 142. 700 000 mhz 2 2: 3. 6172 142. 700 000 mhz ch1 s21 log 1 db/ ref -21.66 db cor ch2 s21 del 200 ns/ ref 3.712 us center 142. 700 000 mhz span 2. 000 000 mhz cor smo 6 feb 2014 10:51:37 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers bw: 1. 584588 mhz cent : 142. 724000 mhz q: 90. 070 1_loss : -21 . 754 db 2 3 3: 32. 043 ns 1. 250 000 mhz ref=2 ch2 markers mean: 3. 8040 us s. dev : 30. 434 ns p-p : 134. 28 ns ch1 s21 log 1 db/ ref -21.66 db cor ch2 s21 log 1 db/ ref -21.94 db center 142. 700 000 mhz span 2. 000 000 mhz cor 6 feb 2014 10:51:12 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers bw: 1. 389294 mhz cent : 142. 719349 mhz q: 102. 73 1_loss : -21 . 750 db 2 3 3: . 33270 db 1. 250 000 mhz ref=2 ch2 markers mean:-21 . 789 db s. dev : . 08820 db p-p : . 59080 db ch1 s21 log 10 db/ ref -21.519 db center 142. 700 000 mhz span 25. 000 000 mhz 6 feb 2014 10:50:27 1 2 3 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers 2:-64 . 386 db -10 . 0000 mhz 3:-68 . 695 db 10. 0000 mhz ch1 s21 log 10 db/ ref -21.73 db cor ch2 s21 log 10 db/ ref -21.73 db center 142. 700 000 mhz span 10. 000 000 mhz cor 6 feb 2014 10:48:34 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers bw: 2. 279348 mhz cent : 142. 727842 mhz q: 62. 618 1_loss : -21 . 739 db 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch2 markers bw: 2. 529668 mhz cent : 142. 753621 mhz q: 56. 432 1_loss : -21 . 739 db
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