saw bandpass filter 270452B part no. 270452B 1. features z if bandpass filter z high attenuation z single-ended operation z ceramic surface mount device (smd) package z maximum storage temperature range : -40 ~ 85 z electrostatics sensitive device (esd) rev. date 2004-09-08 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nm4023- cs01 1/5 6 7 8 9 10 5 4 3 2 1 7 8 9 10 6 4 32 1 5 20.000.2 2. package dimensions 2.300.1 9.80 0.2 1.020.1 7.620.1 1.910.1 itf04a001 270452B 1.560.2 pad configuration 10 input 5 output 6, 1 ground other case ground package : s2098 dimensions shown are nominal in millimeters body : al 2 o 3 ceramic lid : kovar, ni plated terminations : au plating 0.3 ~ 1.0 um , over a 1.27 ~ 8.89 um ni plating
saw bandpass filter 270452B part no. 270452B 3. specifications fo = 70.0 mhz terminating source impedance : 50 and matching network terminating load impedance : 50 and matching network operating temperature range : minimum typical maximum center frequency mhz 69.95 70.0 70.05 insertion loss db - 23.0 25.0 1db bandwidth mhz - 4.1 - 3db bandwidth mhz 4.3 4.5 - 40db bandwidth mhz - 6.25 6.5 amplitude ripple (fo +/- 1.8 mhz) db - 0.7 1.0 group delay variation (fo +/- 1.8 mhz) nsec - 80 150 absolute delay usec - 2.98 - ultimate rejection db 50 55 - temperature coefficient of frequency ppm/c - -23 - notes : 1) all specifications are based on the matching schematic shown below 2) all specifications are measured by agilen t network analyzer and full 2 port calibration 3) electrical margin has been built in to the design to account for the variations due to temperature drift and manufacturing tolerances 4) all attenuation measurements are m easured relative to insertion loss rev. date 2004-09-08 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nm4023- cs01 2/5
saw bandpass filter 270452B part no. 270452B 4. matching schematic ( actual matching values may vary due to pcb layout and parasitics ) l3 l2 l4 l1 output 50 input 50 l1 = l4 = 120nh l2 = l3 = 82 nh 5. marking configuration itf 1) 04a001 2) 270452B 3) 4) 1) manufacturer name 2) lot number 3) part number 4) pad number 1 index rev. date 2004-09-08 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nm4023- cs01 3/5
saw bandpass filter 270452B part no. 270452B 6. typical performance ( at +25 ) ch1 s21 log 10 db/ ref -22.68 db center 70. 000 000 mhz span 16. 500 000 mhz cor 28 jun 2004 10:07:13 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers bw: 6. 222153 mhz cent : 69. 981128 mhz q: 11. 247 1_loss : -22 . 657 db ch1 s21 log 1 db/ ref -22.79 db cor ch2 s21 del 200 ns/ ref 2.96 us center 70. 000 000 mhz span 5. 000 000 mhz cor smo 28 jun 2004 09:54:12 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers bw: 4. 515291 mhz cent : 70. 001789 mhz q: 15. 503 1_loss : -22 . 772 db 2 3 3: 1. 9836 ns 3. 600 000 mhz ref=2 ch2 markers mean : 2. 9793 us s. dev : 11. 452 ns p-p : 56. 305 ns rev. date 2004-09-08 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nm4023- cs01 4/5
saw bandpass filter 270452B part no. 270452B ch1 ch1 s21 log 10 db/ ref -22.17 db start . 010 000 mhz stop 300 . 000 000 mhz 28 jun 2004 09:56:43 1 2 3 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers 2: -61 . 125 db 70. 0000 mhz 3: -72 . 316 db 140 . 000 mhz rev. date 2004-09-08 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. nm4023- cs01 5/5 s2 1 log 1 db/ ref -22.79 db center 70. 000 000 mhz span 5. 000 000 mhz cor ch2 1 log 1 db/ ref -22.75 db cor s2 28 jun 2004 09:53:55 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch1 markers bw: 4. 100034 mhz cent : 70. 028651 mhz q: 17. 080 1_loss : -22 . 791 db 2 3 3: . 27170 db 3. 600 000 mhz ref=2 ch2 markers mean : -22 . 725 db s. dev : . 07530 db p-p : . 37230 db ch1 s11 swr 1 / ref 2.549 center 70. 000 000 mhz span 16. 500 000 mhz cor ch2 2 swr 1 / ref 2.894 cor s2 28 jun 2004 09:55:28 1 1: 2. 5516 70. 000 000 mhz 2 2: 2. 8934 70. 000 000 mhz ch1 s11 1 u fs cor ch2 s22 1 u fs center 70. 000 000 mhz span 16. 500 000 mhz cor 28 jun 2004 09:55:35 1 1: 34. 412 -37 . 141 61. 217 pf 70. 000 000 mhz 2 2: 49. 654 -55 . 381 41. 055 pf 70. 000 000 mhz
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