251951B

251951B ITF | Alldatasheet

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SAW Bandpass Filter 251951B Part No. 251951B 1. Features z IF Bandpass Filter z High Selection 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 251951B 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 2004-05-24 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NM3025-CS01 1/5

SAW Bandpass Filter 251951B Part No. 251951B 3. Specifications Fo = 155.0 MHz Terminating source impedance : 50 Ω and matching network Terminating load impedance : 50 Ω and matching network Minimum Typical Maximum Center Frequency MHz 154.9 155.0 155.1 Insertion Loss dB - 23.0 25.0 1dB Bandwidth MHz 19.1 19.25 - 3dB Bandwidth MHz 19.5 19.75 - 40dB Bandwidth MHz - 21.55 21.7 Amplitude Ripple (Fo +/- 9.375 MHz) dB - 0.7 1.0 Group Delay Variation (Fo +/- 9.375 MHz) nsec - 30 100 Absolute Delay usec - 1.51 - Ultimate Rejection dB 45 50 - Temperature Coefficient of Frequency ppm/°C - -72 - 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 at room temperature 3) All attenuation measurements are measured relative to insertion loss Rev. Date 2004-05-24 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NM3025-CS01 2/5

SAW Bandpass Filter 251951B Part No. 251951B 4. Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) C2C1 L2L1Input 50Ω Output 50Ω L1 = L2 = 33 nH C1 = C2 = 22 pF 5. Marking Configuration ITF1) 04A0012) 251951B3) 1) Manufacturer name 2) Lot Number 3) Part Number 4) Pad Number 1 Index Rev. Date 2004-05-24 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NM3025-CS01 3/5

SAW Bandpass Filter 251951B Part No. 251951B CH1 S21 LOG 10 dB/ REF -22.03 dB CENTER 155 . 000 000 MHz SPAN 54. 000 000 MHz Cor

24 May 2004 10:26:31

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH1 Markers BW : 21. 536230 MHz cent: 154 . 955739 MHz Q : 7. 1951 1_loss : -21 . 999 dB 6. Typical Performance ( at +25℃ ) CH1 S21 LOG 1 dB/ REF -21.83 dB CENTER 155 . 000 000 MHz SPAN 23. 000 000 MHz Cor CH2 S21 DEL 100 ns/ REF 1.502 us Cor Smo

24 May 2004 10:36:50

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH1 Markers BW : 19. 716714 MHz cent: 154 . 988629 MHz Q : 7. 8608 1_loss : -22 . 007 dB 3:-10 . 880 ns 18. 750 000 MHz REF=2 CH2 Markers mean : 1. 5096 us s. dev : 5. 9164 ns p-p : 31. 380 ns Rev. Date 2004-05-24 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NM3025-CS01 4/5

SAW Bandpass Filter 251951B Part No. 251951B CH1 CH1 S21 LOG 10 dB/ REF -21.74 dB START . 010 000 MHz STOP 500 . 000 000 MHz

24 May 2004 10:42:28

1:-21 . 753 dB 155 . 000 000 MHz Rev. Date 2004-05-24 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NM3025-CS01 5/5 S21 LOG 1 dB/ REF -21.83 dB Cor CH2 S21 LOG 1 dB/ REF -22.11 dB CENTER 155 . 000 000 MHz SPAN 23. 000 000 MHz Cor

24 May 2004 10:37:22

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH1 Markers BW : 19. 243658 MHz cent: 155 . 005841 MHz Q : 8. 0549 1_loss : -22 . 005 dB 3: . 21430 dB 18. 750 000 MHz REF=2 CH2 Markers mean :-22 . 024 dB s. dev : . 11690 dB p-p : . 59040 dB CH1 S11 SWR 5 / REF 6.651 CENTER 155 . 000 000 MHz SPAN 54. 000 000 MHz Cor CH2 SWR 5 / REF 5.367 Cor S22

24 May 2004 10:39:57

1: 6. 6499 155 . 000 000 MHz 2: 5. 3638 155 . 000 000 MHz CH1 S11 1 U FS Cor CH2 S22 1 U FS CENTER 155 . 000 000 MHz SPAN 54. 000 000 MHz Cor

24 May 2004 10:40:05

1: 7. 5508 -1 . 1726 875 . 66 pF 155 . 000 000 MHz 2: 9. 3608 -2 . 7388 374 . 92 pF 155 . 000 000 MHz