SAW Bandpass Filter 251902C 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 05A001 251902C 35.1±0.5 12.8±0.5 Pin Configuration 1 Base : Fe(SPCC), Au plating over Ni plated Cap : Cu & Cr Alloy, Ni Plated Termination : Kovar, Au Plated Input 5 Output 2, 4 Ground 3, 6 Case ground Dimensions shown are nominal in millimeters 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 Part No. 251902C Rev. Date 2004-09-27 Rev. NM5020-CS02 1/5 SAW Bandpass Filter 251902C 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. 251902C Rev. Date 2004-09-27 Rev. NM5020-CS02 2/5 SAW Bandpass Filter 251902C 4. Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) L1 Input 50Ω L2 C1 Output 50Ω C2 L1 = 33nH, L2 = 39 nH C1 = 33pF, C2 = 33 pF 5. Marking Configuration ITF1) 05A0012) 251902C3) 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. 251902C Rev. Date 2004-09-27 Rev. NM5020-CS02 3/5 SAW Bandpass Filter 251902C 6. Typical Performance ( at +25℃ ) CH1 S21 LOG 10 dB/ 27 Sep 2005 09:48:16 1: 0. 0000 dB 0. 000 000 MHz REF -25.12 dB CH1 Markers 1 Cor 2 BW: 20. 127974 MHz cent : 119 . 961458 MHz REF=1 Q: 5. 9599 1_loss : -25 . 144 dB 3 4 CENTER 120 . 000 000 MHz CH1 CH2 S21 S21 LOG DEL 1 dB/ 200 ns/ SPAN 51. 000 000 MHz 27 Sep 2005 09:51:55 1: 0. 0000 dB 0. 000 000 MHz 3: -22 . 060 ns 18. 440 000 MHz REF -24.74 dB REF 2.646 us CH1 Markers BW: Cor 19. 119582 MHz cent : 119 . 991885 MHz REF=1 Q: 6. 2759 1 1_loss : -25 . 024 dB 2 3 Smo Cor 2 4 3 CH2 Markers mean : 2. 6782 us REF=2 s. dev : 8. 7520 ns p-p : 50. 818 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. 251902C Rev. Date 2004-09-27 Rev. NM5020-CS02 4/5 SAW Bandpass Filter 251902C CH1 CH2 S21 S21 LOG LOG 1 dB/ 1 dB/ 27 Sep 2005 09:51:26 1: 0. 0000 dB 0. 000 000 MHz 3: - . 22340 dB 18. 440 000 MHz REF -24.74 dB REF -25.3 dB CH1 CH1 Markers BW: Cor 18. 881192 MHz cent : 119 . 992645 MHz S21 LOG 10 dB/ 27 Sep 2005 09:55:32 1: 0. 0000 dB 0. 000 000 MHz REF -24.72 dB REF=1 CH1 Markers 2: -59 . 325 dB 120 . 000 MHz Q: 6. 3551 1 1_loss : -25 . 036 dB REF=1 3: -58 . 519 dB 240 . 000 MHz 1 2 4 3 3 2 Cor CH2 Markers REF=2 mean : -25 . 003 dB s. dev : . 11670 dB p-p : . 51520 dB 3 2 CENTER 120 . 000 000 MHz SPAN 23. 000 000 MHz START CH1 S21 LOG 10 dB/ 27 Sep 2005 09:50:46 1: 0. 0000 dB 0. 000 000 MHz REF -25.12 dB CH1 Markers 1 2: -30 . 167 dB -10 . 0000 MHz Cor CH1 CH2 S11 S22 . 010 000 MHz 1 U FS 1 U FS STOP 400 . 000 000 MHz 1: 7. 1675 2: 8. 0142 -3 . 0723 -1 . 3110 27 Sep 2005 09:53:38 431 . 70 pF 120 . 000 000 MHz 1. 0116 nF 120 . 000 000 MHz REF=1 Cor 3: -30 . 548 dB 10. 0000 MHz 2 2 1 3 Cor CENTER 120 . 000 000 MHz SPAN 51. 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 51. 000 000 MHz Part No. 251902C Rev. Date 2004-09-27 Rev. NM5020-CS02 5/5