SAW Bandpass Filter 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) Package : D3512 2.5±0.2 25.4±0.2 7.6±0.2 0.45±0.05 5.5max 6.0max ITF 04A001 251902B 35.1±0.5 12.8±0.5 Pin Configuration 1 Dimensions shown are nominal in millimeters Base : Fe(SPCC), Au plating over Ni plated Cap : Cu & Cr Alloy, Ni Plated Termination : Kovar, Au Plated I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 2.5±0.2 2. Package Dimension Input 5 Output 2, 4 Ground 3, 6 Case ground Part No. 251902B Rev. Date 2004-06-21 Rev. NM4012-CS01 1/5 SAW Bandpass Filter 251902B 3. Specifications Fo = 120.0 MHz Terminating source impedance : 50Ω and matching network Terminating load impedance : 50Ω and matching network Minimum Typical Maximum MHz 119.9 120.0 120.1 dB - 25.5 26.5 1dB Bandwidth MHz - 18.9 - 3dB Bandwidth MHz 19.0 19.1 - 40dB Bandwidth MHz - 20.1 20.4 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 - at 110 MHz dB 25 30 - at 130 MHz dB 25 30 - ppm/°C - -72 - Center Frequency Insertion Loss Amplitude Ripple (Fo +/- 9.22 MHz) Relative Attenuation Temperature Coefficient of Frequency 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 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Part No. 251902B Rev. Date 2004-06-21 Rev. NM4012-CS01 2/5 SAW Bandpass Filter 251902B 4. Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) L1 Input 50Ω L2 C1 Output 50Ω C2 L1 = L2 = 39 nH C1 = C2 = 33 pF 5. Marking Configuration ITF1) 04A0012) 251902B3) 1) Manufacturer name 2) Lot Number 3) Part Number I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Part No. 251902B Rev. Date 2004-06-21 Rev. NM4012-CS01 3/5 SAW Bandpass Filter 251902B 6. Typical Performance ( at +25℃ ) CH1 S21 LOG 10 dB/ 14 May 2004 08:05:33 1: 0. 0000 dB 0. 000 000 MHz REF -24.97 dB CH1 Markers 1 Cor 2 BW: REF=1 20. 103495 MHz : 119 . 993281 MHz cent Q: 5. 9688 1_loss : -25 . 075 dB 3 4 CENTER 120 . 000 000 MHz CH1 CH2 S21 S21 LOG DEL 1 dB/ 100 ns/ SPAN 50. 000 000 MHz 14 May 2004 08:08:48 1: 0. 0000 dB 0. 000 000 MHz 3: -20 . 780 ns 18. 440 000 MHz REF -24.56 dB REF 2.643 us CH1 Markers BW: Cor 19. 106955 MHz : 119 . 997891 MHz REF=1 cent Q: 6. 2803 1_loss : -25 . 018 dB 1 2 3 Smo Cor 2 3 CH2 Markers REF=2 mean : 2. 6782 us 4 s. dev : 7. 9002 ns p-p : 43. 653 ns CENTER 120 . 000 000 MHz I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 SPAN 23. 000 000 MHz Part No. 251902B Rev. Date 2004-06-21 Rev. NM4012-CS01 4/5 SAW Bandpass Filter 251902B CH1 CH2 S21 S21 LOG LOG 1 dB/ 1 dB/ 14 May 2004 08:08:30 1: 0. 0000 dB 0. 000 000 MHz 3: . 12540 dB 18. 440 000 MHz REF -24.56 dB REF -25.11 dB CH1 Markers BW: Cor 18. 890896 MHz : 119 . 999019 MHz CH1 S21 LOG 10 dB/ 14 May 2004 08:10:35 1: -24 . 770 dB 120 . 000 000 MHz REF -24.64 dB REF=1 cent Q: 6. 3522 1 1_loss : -25 . 029 dB 1 2 3 4 3 2 CH2 Markers Cor mean : -24 . 966 dB REF=2 s. dev : . 12850 dB p-p : . 75040 dB CENTER 120 . 000 000 MHz SPAN 23. 000 000 MHz START CH1 S21 LOG 10 dB/ 19 Jun 2004 12:31:09 1: 0. 0000 dB 0. 000 000 MHz REF -25.08 dB CH1 CH2 S11 S22 . 010 000 MHz 1 U FS 1 U FS STOP 400 . 000 000 MHz 1: 9. 9590 2: 7. 2681 3. 8149 -1 . 4839 14 May 2004 08:10:02 5. 0597 nH 120 . 000 000 MHz 893 . 80 pF 120 . 000 000 MHz * CH1 Markers 1 2: -29 . 729 dB -10 . 0000 MHz Cor REF=1 Cor 3: -33 . 519 dB 10. 0000 MHz 1 Hld 2 2 3 Cor CENTER 120 . 000 000 MHz SPAN 50. 000 000 MHz I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 CENTER 120 . 000 000 MHz SPAN Part No. 251902B Rev. Date 2004-06-21 Rev. NM4012-CS01 50. 000 000 MHz 5/5