251902B

251902B ITF | Alldatasheet

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SAW Bandpass Filter 251902B Part No. 251902B 1. Features z IF bandpass filter z High attenuation z Single-ended operation z DIP Package z Maximum Storage Temperature Range : -40 ~ 85℃℃ z Electrostatics Sensitive Device (ESD) 2. Package Dimension 7.6±0.2 2.5±0.225.4±0.2 2.5±0.2 0.45±0.05 6.0max5.5max 35.1±0.5 12.8±0.5 ITF 04A001 251902B Package : D3512 Pin Configuration

1 Input

5 Output

2, 4 Ground 3, 6 Case ground Dimensions shown are nominal in millimeters Base : Fe(SPCC), Au plating over Ni plated Cap : Cu & Cr Alloy, Ni Plated Termination : Kovar, Au Plated Rev. Date 2004-06-21 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NM4012-CS01 1/5

SAW Bandpass Filter 251902B Part No. 251902B 3. Specifications Fo = 120.0 MHz Terminating source impedance : 50 Ω and matching network Terminating load impedance : 50 Ω and matching network Minimum Typical Maximum Center Frequency MHz 119.9 120.0 120.1 Insertion Loss dB - 25.5 26.5 1dB Bandwidth MHz - 18.9 - 3dB Bandwidth MHz 19.0 19.1 - 40dB Bandwidth MHz - 20.1 20.4 Amplitude Ripple (Fo +/- 9.22 MHz) dB - 0.8 1.0 Group Delay Variation (Fo +/- 9.22 MHz) nsec - 50 150 Absolute Delay usec - 2.67 - Ultimate Rejection dB 50 55 - Relative Attenuation at 110 MHz dB 25 30 - at 130 MHz dB 25 30 - 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 2004-06-21 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NM4012-CS01 2/5

SAW Bandpass Filter 251902B Part No. 251902B 4. Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) C2C1 L2L1Input 50Ω Output 50Ω L1 = L2 = 39 nH C1 = C2 = 33 pF 5. Marking Configuration ITF1) 04A0012) 251902B3) 1) Manufacturer name 2) Lot Number 3) Part Number Rev. Date 2004-06-21 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NM4012-CS01 3/5

SAW Bandpass Filter 251902B Part No. 251902B CH1 S21 LOG 10 dB/ REF -24.97 dB CENTER 120 . 000 000 MHz SPAN 50. 000 000 MHz Cor

14 May 2004 08:05:33

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH1 Markers BW : 20. 103495 MHz cent: 119 . 993281 MHz Q : 5. 9688 1_loss : -25 . 075 dB 6. Typical Performance ( at +25℃ ) CH1 S21 LOG 1 dB/ REF -24.56 dB Cor CH2 S21 DEL 100 ns/ REF 2.643 us CENTER 120 . 000 000 MHz SPAN 23. 000 000 MHz Cor Smo

14 May 2004 08:08:48

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH1 Markers BW : 19. 106955 MHz cent: 119 . 997891 MHz Q : 6. 2803 1_loss : -25 . 018 dB 3:-20 . 780 ns 18. 440 000 MHz REF=2 CH2 Markers mean : 2. 6782 us s. dev : 7. 9002 ns p-p : 43. 653 ns Rev. Date 2004-06-21 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NM4012-CS01 4/5

SAW Bandpass Filter 251902B Part No. 251902B CH1 CH1 S21 LOG 10 dB/ REF -24.64 dB START . 010 000 MHz STOP 400 . 000 000 MHz

14 May 2004 08:10:35

1:-24 . 770 dB 120 . 000 000 MHz Rev. Date 2004-06-21 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NM4012-CS01 5/5 S21 LOG 1 dB/ REF -24.56 dB Cor CH2 S21 LOG 1 dB/ REF -25.11 dB CENTER 120 . 000 000 MHz SPAN 23. 000 000 MHz Cor

14 May 2004 08:08:30

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH1 Markers BW : 18. 890896 MHz cent: 119 . 999019 MHz Q : 6. 3522 1_loss : -25 . 029 dB 3: . 12540 dB 18. 440 000 MHz REF=2 CH2 Markers mean :-24 . 966 dB s. dev : . 12850 dB p-p : . 75040 dB CH1 S21 LOG 10 dB/ REF -25.08 dB CENTER 120 . 000 000 MHz SPAN 50. 000 000 MHz Cor Hld

19 Jun 2004 12:31:09

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH1 Markers 2:-29 . 729 dB -10 . 0000 MHz 3:-33 . 519 dB 10. 0000 MHz CH1 S11 1 U FS CENTER 120 . 000 000 MHz SPAN 50. 000 000 MHz Cor CH2 S22 1 U FS Cor

14 May 2004 08:10:02

1: 9. 9590 3. 8149 5. 0597 nH 120 . 000 000 MHz 2: 7. 2681 -1 . 4839 893 . 80 pF 120 . 000 000 MHz