bandpass filter 234251B part no. 234251B rev. date 2008-10-13 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nj8019-cs01 1/5 1 2 3 4 10 9 8 7 5 6 11 12 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. features if bandpass filter low-loss filter single-ended operation ceramic surface mount device(smd) package maximum storage temperature range : -40 ~ 85 electrostatics sensitive device (esd) 2. package dimension package : s1365 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 pin configuration 11 input 5 output 6, 12 ground other case ground itf 08a001 234251B ?
bandpass filter 234251B part no. 234251B rev. date 2008-10-13 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nj8019-cs01 2/5 3. specifications fo = 78.0 mhz terminating source impedance : 50 and matching network terminating load impedance : 50 and matching network notes : 1) all specifications are based on the matching schema tic shown below 2) all specifications are measured by agilent network analyzer and full 2 port calibration 3) electrical margin has been built into the design to account for the variations due to temperature drif t and manufacturing tolerances 4) all attenuation measurements are measured relative to insertion loss operating temperature range : -25 ~ +85 minimum typical maximum center frequency (fc) mhz - 78.0 - insertion loss db - 19.0 21.0 1db bandwidth mhz 41.3 41.9 - 3db bandwidth mhz - 42.95 - 40db bandwidth mhz - 48.2 48.7 amplitude ripple (fo +/- 19.8 mhz) db - 0.7 1.0 group delay variation (fo +/- 19.8 mhz) nsec - 30 6 0 absolute delay usec - 0.94 - ultimate rejection db 40 45 - temperature coefficient of frequency (tcf) ppm/c - - 72 - room temperature : + 25 minimum typical maximum insertion loss db - 19.0 20.5 amplitude ripple (fo +/- 20.12 mhz) db - 0.7 1.0 group delay variation (fo +/- 20.12 mhz) nsec - 30 60
bandpass filter 234251B part no. 234251B rev. date 2008-10-13 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nj8019-cs01 3/5 c1 l3 l2 l1 output 50 input 50 4. matching schematic ( actual matching values may vary due to pcb layout and parasitics ) l1 = 82 nh, l2 = 47 nh l3 = 120 nh, c1 = 36 pf 5. marking configuration itf 1) 08a001 2) 234251B 3) 4) 1) manufacturer name 2) lot number 3) part number 4) pad number 1 index
bandpass filter 234251B part no. 234251B rev. date 2008-10-13 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nj8019-cs01 4/5 ch1 s21 log 10 db/ ref -18.4 db center 78. 000 000 mhz span 155. 000 000 mhz cor 13 oct 2008 11:34:26 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers bw: 48. 147304 mhz cent : 78. 928151 mhz q: 1. 6393 1_loss : -18 . 941 db ch2 s21 log 1 db/ ref -18.4 db center 78. 000 000 mhz span 55. 000 000 mhz cor ch4 s21 del 50 ns/ ref 912 ns cor smo 13 oct 2008 11:34:44 2 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch2 markers bw: 42. 951395 mhz cent : 78. 028258 mhz q: 1. 8167 1_loss : -18 . 827 db 4 2 3 3:-1 . 7695 ns 40. 240 000 mhz ref=2 ch4 markers mean: 936. 12 ns s. dev : 5. 7261 ns p-p : 30. 296 ns 6. typical performance ( at +25 )
bandpass filter 234251B part no. 234251B rev. date 2008-10-13 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nj8019-cs01 5/5 ch2 s21 log 1 db/ ref -18.4 db center 78. 000 000 mhz span 55. 000 000 mhz cor ch4 s21 log 1 db/ ref -18.4 db cor 13 oct 2008 11:34:53 2 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch2 markers bw: 41. 865496 mhz cent : 77. 944559 mhz q: 1. 8618 1_loss : -18 . 834 db 4 2 3 3: . 09580 db 40. 240 000 mhz ref=2 ch4 markers mean:-18 . 865 db s. dev : . 08190 db p-p : . 59680 db ch1 s21 log 10 db/ ref -18.4 db start . 010 000 mhz stop 500. 000 000 mhz 13 oct 2008 11:36:49 1 2 3 4 5 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers 2:-63 . 597 db 78. 0000 mhz 3:-54 . 981 db 156. 000 mhz 4:-73 . 062 db 234. 000 mhz 5:-70 . 971 db 312. 000 mhz ch1 s11 swr 10 / ref 0 center 78. 000 000 mhz span 155. 000 000 mhz cor ch3 s22 swr 10 / ref 0 cor 13 oct 2008 11:35:42 1 1: 2. 4789 78. 000 000 mhz 2 2: 3. 6727 78. 000 000 mhz ch1 s11 1 u fs center 78. 000 000 mhz span 155. 000 000 mhz cor ch3 s22 1 u fs cor 13 oct 2008 11:35:14 1 1: 32. 643 -33 . 818 60. 336 pf 78. 000 000 mhz 2 2: 27. 137 45. 975 93. 809 nh 78. 000 000 mhz
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