250851B ITF | Alldatasheet

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SAW Bandpass Filter 250851B Part No. 250851B 1. Features z IF Bandpass Filter z Low-Loss Filter z Single-Ended Operation z Ceramic Surface Mount Device (SMD) Package z Maximum Storage Temperature Range : -40 ~ 85℃℃ z Electrostatics Sensitive Device (ESD) 2. Package Dimensions 1 0 987 4321 0.80±0.1 1.50±0.1 2.54±0.1 7.62±0.1 2.54±0.1 1.61±0.2 6.50±0.2 13.30±0.2 1234 10987 6 11 ITF04A001 250851B Pad Configuration

11 Input

5 Output

6, 12 Ground Other Case ground Package : S1365 Dimensions shown are nominal in millimeters Body : Al2O3 Ceramic Lid : Kovar, Ni Plated Terminations : Au plating 0.3 ~ 1.0 um, Over a 1.27 ~ 8.89 um Ni Plating Rev. Date 2004-04-13 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NJ4004-CS02 1/5

SAW Bandpass Filter 250851B Part No. 250851B 3. Specifications Fo = 140 MHz Terminating source impedance : 50 Ω and matching network Terminating load impedance : 50 Ω and matching network Operating Temperature Range : -35 ℃ ~ +75℃ Minimum Typical Maximum Center Frequency MHz 139.2 140.0 140.8 Insertion Loss dB - 7.0 8.5 1dB Bandwidth MHz 7.4 7.7 - 3dB Bandwidth MHz 8.4 8.8 - 40dB Bandwidth MHz - 12.2 13.0 Amplitude Ripple (Fo +/- 2.6 MHz) dB - 0.6 1.0 Group Delay Variation (Fo +/- 2.6 MHz) nsec - 60 150 Absolute Delay usec - 0.87 - Ultimate Rejection dB 40 45 - Temperature Coefficient of Frequency ppm/°C - -86 - Room Temperature : +25℃ Minimum Typical Maximum Amplitude Ripple (Fo +/-3.2 MHz) dB - 0.6 1.0 Group Delay Variation (Fo +/- 3.2 MHz) nsec - 60 150 Notes : 1) All specifications are based on the matching schematic shown below 2) All specifications are measured by Agilent 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 measured relative to insertion loss Rev. Date 2004-04-13 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NJ4004-CS02 2/5

SAW Bandpass Filter 250851B Part No. 250851B 4. Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) Output 50Ω Input 50Ω L1 = 56 nH, L2 = 47 nH 5. Marking Configuration ITF1) 04A0012) 250851B3) 1) Manufacturer name 2) Lot Number 3) Part Number 4) Pad Number 1 Index Rev. Date 2004-04-13 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NJ4004-CS02 3/5

SAW Bandpass Filter 250851B Part No. 250851B CH1 S21 LOG 10 dB/ REF -7.035 dB CENTER 140 . 000 000 MHz SPAN 30. 000 000 MHz IA1408 B1 Cor

2 Mar 2004 13:26:13

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH1 Markers BW : 12. 215904 MHz cent: 140 . 050318 MHz Q : 11. 465 1_loss : -7 . 0441 dB 6. Typical Performance ( at +25℃ ) CH2 S21 LOG 1 dB/ REF -7.047 dB CENTER 140 . 000 000 MHz SPAN 10. 000 000 MHz IA1408 B1 Cor CH4 S21 DEL 200 ns/ REF 1.23 us 2-1 S1365 M2S 1 Cor Smo

2 Mar 2004 13:27:34

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH2 Markers BW : 8. 783717 MHz cent: 140 . 020050 MHz Q : 15. 941 1_loss : -7 . 0437 dB 412 3:-13 . 962 ns 6. 400 000 MHz REF=2 CH4 Markers mean : 853 . 71 ns s. dev : 10. 779 ns p-p : 52. 261 ns Rev. Date 2004-04-13 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NJ4004-CS02 4/5

SAW Bandpass Filter 250851B Part No. 250851B Rev. Date 2004-04-13 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NJ4004-CS02 5/5 CH1 S21 LOG 10 dB/ REF -7.631 dB START . 010 000 MHz STOP 500 . 000 000 MHz IA1408 B1

2 Mar 2004 13:29:48

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH1 Markers 2:-47 . 259 dB 140 . 000 MHz 3:-29 . 291 dB 280 . 000 MHz CH2 S 21 LOG 1 dB/ REF -7.044 dB CENTER 140 . 000 000 MHz SPAN 10. 000 000 MHz IA1408 B1 Cor CH4 S LOG 1 dB/ REF -7.334 dB

1 S1365 M2S 1

2 Mar 2004 13:27:52

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH2 Markers BW : 7. 742781 MHz cent: 139 . 968137 MHz Q : 18. 077 1_loss : -7 . 0468 dB 3:- . 29420 dB 6. 400 000 MHz REF=2 CH4 Markers mean :-7 . 1362 dB s. dev : . 09700 dB p-p : . 47200 dB CH1 S11 1 U FS CENTER 140 . 000 000 MHz SPAN 30. 000 000 MHz IA1408 B1 Cor CH3 S22 1 U FS 2-1 S1365 M2S 1 Cor

2 Mar 2004 13:28:24

1: 60. 975 -21 . 781 52. 193 pF 140 . 000 000 MHz 2: 87. 020 -13 . 848 82. 095 pF 140 . 000 000 MHz CH1 S11 S22 SWR 5 / REF 0 CENTER 140 . 000 000 MHz SPAN 30. 000 000 MHz 1408 B1 Cor CH3 SWR 5 / REF 0

2 Mar 2004 13:28:51

1: 1. 5500 140 . 000 000 MHz 2: 1. 8051 140 . 000 000 MHz