SAW Bandpass Filter 251905B 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 04A001 251905B 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. 251905B Rev. Date 2004-09-23 Rev. NM4017- CS03 1/5 SAW Bandpass Filter 251905B 3. Specifications Fo = 190.0 MHz Terminating source impedance : 50Ω and matching network Terminating load impedance : 50Ω and matching network Minimum Typical Maximum MHz 189.9 190.0 190.1 dB - 26.0 28.0 1dB Bandwidth MHz - 19.0 - 3dB Bandwidth MHz 19.0 19.4 - 50dB Bandwidth MHz - 21.3 21.6 dB - 0.7 1.2 Group Delay Variation (Fo +/- 9.375 MHz) nsec - 50 100 Absolute Delay usec - 2.85 - Ultimate Rejection dB 48 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. 251905B Rev. Date 2004-09-23 Rev. NM4017- CS03 2/5 SAW Bandpass Filter 251905B 4. Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) L1 Input 50Ω L2 C1 Output 50Ω C2 L1 = 33 nH, L2 = 27 nH C1 = 36 pF, C2 = 43 pF 5. Marking Configuration ITF1) 04A0012) 251905B3) 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. 251905B Rev. Date 2004-09-23 Rev. NM4017- CS03 3/5 SAW Bandpass Filter 251905B 6. Typical Performance ( at +25℃ ) CH1 S21 LOG 10 dB/ 9 Jul 2004 09:05:05 1: 0. 0000 dB 0. 000 000 MHz REF -26.4 dB CH1 Markers 1 Cor 2 BW: REF=1 21. 229441 MHz : 190 . 020303 MHz cent Q: 8. 9508 1_loss : -26 . 405 dB 3 4 CENTER 190 . 000 000 MHz CH1 CH2 S21 S21 LOG DEL 1 dB/ 100 ns/ SPAN 53. 000 000 MHz 29 Jun 2004 16:58:49 1: 0. 0000 dB 0. 000 000 MHz 3: 13. 182 ns 18. 750 000 MHz REF -25.95 dB REF 2.84 us CH1 Markers BW: Cor 19. 441126 MHz cent : 189 . 972538 MHz REF=1 Q: 9. 7717 1_loss : -26 . 461 dB 1 2 3 Smo 2 Cor 3 4 CH2 Markers mean : 2. 8591 us REF=2 s. dev : 9. 9720 ns p-p : 48. 562 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. 000 000 MHz Part No. 251905B Rev. Date 2004-09-23 Rev. NM4017- CS03 4/5 SAW Bandpass Filter 251905B CH1 CH2 S21 S21 LOG LOG 1 dB/ 1 dB/ 29 Jun 2004 16:58:25 1: 0. 0000 dB 0. 000 000 MHz 3: - . 27300 dB 18. 750 000 MHz REF -25.95 dB REF -26.59 dB CH1 Markers BW: Cor 19. 127145 MHz cent : 189 . 968350 MHz CH1 S21 LOG 10 dB/ 29 Jun 2004 17:02:08 1: -26 . 511 dB 190 . 000 000 MHz REF -26.7 dB REF=1 Q: 9. 9319 1 1_loss : -26 . 471 dB 1 2 4 3 3 2 Cor CH2 Markers mean : -26 . 340 dB REF=2 s. dev : . 13170 dB p-p : . 75000 dB CENTER 190 . 000 000 MHz CH1 CH2 S11 S22 SWR SWR 5 / 5 / SPAN 23. 000 000 MHz 29 Jun 2004 17:00:45 1: 1. 3696 190 . 000 000 MHz 2: 2. 7510 190 . 000 000 MHz REF 1.369 REF 2.793 Cor START CH1 CH2 S11 S22 . 010 000 MHz 1 U FS 1 U FS STOP 600 . 000 000 MHz 1: 67. 500 2: 20. 410 5. 6133 15. 993 29 Jun 2004 17:00:52 4. 7020 nH 190 . 000 000 MHz 13. 397 nH 190 . 000 000 MHz Cor 2 1 1 Cor 2 CENTER 190 . 000 000 MHz Cor SPAN 53. 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 Part No. 251905B Rev. Date 2004-09-23 Rev. NM4017- CS03 53. 000 000 MHz 5/5