SAW Bandpass Filter 251911B 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) 5.5max 6.0max Package : D2012 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 12.7±0.2 2.5±0.2 7.6±0.2 0.45±0.05 ITF 05A001 251911B 20.3±0.5 12.7±0.5 2.5±0.2 2. Package Dimension Input 5 Output 2, 4 Ground 3, 6 Case ground Part No. 251911B Rev. Date 2005-12-09 Rev. NM5022-CS03 1/5 SAW Bandpass Filter 251911B 3. Specifications Fo = 190.0 MHz Terminating source impedance : 50Ω and matching network Terminating load impedance : 50Ω and matching network Minimum Typical Maximum MHz - 190.0 - dB - 26.0 28.0 1dB Bandwidth MHz - 19.6 - 3dB Bandwidth MHz 19.8 19.9 - 50dB Bandwidth MHz - 21.7 22.0 dB - 0.7 1.0 Group Delay Variation (Fo +/- 9.375 MHz) nsec - 50 100 Absolute Delay usec - 2.9 - Ultimate Rejection dB 50 52 - ppm/°C - -23 - Center Frequency Insertion Loss Amplitude Ripple (Fo +/- 9.375 MHz) 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. 251911B Rev. Date 2005-12-09 Rev. NM5022-CS03 2/5 SAW Bandpass Filter 251911B 4. Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) Input 50Ω L1 L4 L2 Output 50Ω L3 L1 = 27 nH, L2 = 27 nH L3 = 22 NH, L4 = 27 nH 5. Marking Configuration ITF1) 05A0012) 251911B3) 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. 251911B Rev. Date 2005-12-09 Rev. NM5022-CS03 3/5 SAW Bandpass Filter 251911B 6. Typical Performance ( at +25℃ ) CH1 S21 LOG 10 dB/ 9 Dec 2005 14:24:06 1: 0. 0000 dB 0. 000 000 MHz REF -24.51 dB CH1 Markers 1 Cor 2 BW: 21. 563647 MHz cent : 189 . 909005 MHz REF=1 Q: 8. 8069 1_loss : -24 . 630 dB 3 4 CENTER 190 . 000 000 MHz CH1 CH2 S21 S21 LOG DEL 1 dB/ 100 ns/ SPAN 55. 000 000 MHz 9 Dec 2005 14:29:20 1: 0. 0000 dB 0. 000 000 MHz 3: 3. 8131 ns 18. 750 000 MHz REF -24.1 dB REF 2.875 us CH1 Markers BW: Cor 19. 884287 MHz cent : 189 . 928549 MHz REF=1 Q: 9. 5517 1_loss : -24 . 477 dB 1 2 3 Smo Cor 2 3 4 CH2 Markers mean : 2. 8845 us REF=2 s. dev : 7. 8496 ns p-p : 47. 530 ns CENTER 190 . 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. 500 000 MHz Part No. 251911B Rev. Date 2005-12-09 Rev. NM5022-CS03 4/5 SAW Bandpass Filter 251911B CH1 CH2 S21 S21 LOG LOG 1 dB/ 1 dB/ 9 Dec 2005 14:29:07 1: 0. 0000 dB 0. 000 000 MHz 3: - . 05990 dB 18. 750 000 MHz REF -24.1 dB REF -23.66 dB CH1 Markers BW: Cor 19. 539362 MHz cent : 189 . 927976 MHz CH1 S21 LOG 10 dB/ 9 Dec 2005 14:31:33 1: 0. 0000 dB 0. 000 000 MHz REF -24.91 dB CH1 Markers REF=1 2: -60 . 496 dB 190 . 000 MHz Q: 9. 7203 REF=1 3: -60 . 741 dB 380 . 000 MHz 1 1_loss : -24 . 489 dB 1 2 3 4 3 2 Cor CH2 Markers REF=2 mean : -24 . 476 dB s. dev : . 12760 dB p-p : . 67660 dB 2 CENTER 190 . 000 000 MHz CH1 CH2 S11 S22 LOG LOG 5 dB/ 5 dB/ SPAN 9 Dec 2005 14:30:04 1: -9 . 2454 dB 190 . 000 000 MHz 2: -8 . 9566 dB 190 . 000 000 MHz REF -9.264 dB REF -8.958 dB START 23. 500 000 MHz Cor CH1 CH2 S11 S22 . 010 000 MHz 1 U FS 1 U FS 3 STOP 600 . 000 000 MHz 1: 62. 445 2: 46. 799 9 Dec 2005 14:30:22 21. 372 pF 190 . 000 000 MHz 22. 695 pF 190 . 000 000 MHz -39 . 193 -36 . 910 Cor 1 1 Cor 2 2 CENTER 190 . 000 000 MHz Cor SPAN 55. 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 190 . 000 000 MHz SPAN 55. 000 000 MHz Part No. 251911B Rev. Date 2005-12-09 Rev. NM5022-CS03 5/5