SAW Bandpass Filter 261901B 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 261901B 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. 261901B Rev. Date 2004-07-09 Rev. NM4018-CS02 1/5 SAW Bandpass Filter 261901B 3. Specifications Fo = 280.0 MHz Terminating source impedance : 50Ω and matching network Terminating load impedance : 50Ω and matching network Minimum Typical Maximum MHz 279.875 280.0 280.125 dB - 27.0 30.0 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 - 2.32 - Ultimate Rejection dB 48 50 - 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. 261901B Rev. Date 2004-07-09 Rev. NM4018-CS02 2/5 SAW Bandpass Filter 261901B 4. Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) L1 Input 50Ω L2 C1 Output 50Ω C2 L1 = L2 = 12 nH C1 = C2 = 24 pF 5. Marking Configuration ITF1) 04A0012) 261901B3) 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. 261901B Rev. Date 2004-07-09 Rev. NM4018-CS02 3/5 SAW Bandpass Filter 261901B 6. Typical Performance ( at +25℃ ) CH1 S21 LOG 10 dB/ 2 Jul 2004 13:11:45 1: 0. 0000 dB 0. 000 000 MHz REF -26.94 dB CH1 Markers 1 Cor 2 BW: 20. 966078 MHz cent : 279 . 942740 MHz REF=1 Q: 13. 352 1_loss : -26 . 872 dB 3 4 CENTER 280 . 000 000 MHz CH1 CH2 S21 S21 LOG DEL 1 dB/ 100 ns/ SPAN 53. 000 000 MHz 2 Jul 2004 13:16:15 1: 0. 0000 dB 0. 000 000 MHz 3: -6 . 4038 ns 18. 750 000 MHz REF -26.53 dB REF 2.302 us CH1 Markers BW: Cor 19. 400055 MHz cent : 279 . 981130 MHz REF=1 Q: 14. 432 1 1_loss : -26 . 781 dB 2 3 Smo Cor 2 3 4 CH2 Markers mean : 2. 3260 us REF=2 s. dev : 8. 9551 ns p-p : 53. 472 ns CENTER 280 . 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. 261901B Rev. Date 2004-07-09 Rev. NM4018-CS02 4/5 SAW Bandpass Filter 261901B CH1 CH2 S21 S21 LOG LOG 1 dB/ 1 dB/ 2 Jul 2004 13:16:02 1: 0. 0000 dB 0. 000 000 MHz 3: - . 07970 dB 18. 750 000 MHz REF -26.53 dB REF -27.21 dB CH1 Markers BW: Cor 19. 010986 MHz cent : 279 . 991973 MHz CH1 S21 LOG 10 dB/ 2 Jul 2004 13:18:44 1: 0. 0000 dB 0. 000 000 MHz REF -27.78 dB REF=1 CH1 Markers 2: -58 . 465 dB 280 . 000 MHz REF=1 Q: 14. 728 1 3: -41 . 074 dB 520 . 000 MHz 1 1_loss : -26 . 769 dB 2 3 4 3 2 Cor CH2 Markers mean : -26 . 924 dB REF=2 3 s. dev : . 13200 dB p-p : . 72990 dB 2 CENTER 280 . 000 000 MHz CH1 CH2 S11 S22 SWR SWR 1 / 1 / SPAN 23. 000 000 MHz 2 Jul 2004 13:17:41 1: 1. 7458 280 . 000 000 MHz 2: 2. 0964 280 . 000 000 MHz REF 1.745 REF 2.096 START CH1 CH2 S11 S22 . 010 000 MHz 1 U FS 1 U FS STOP 900 . 000 000 MHz 1: 45. 584 2: 30. 469 26. 518 22. 162 2 Jul 2004 13:17:49 15. 073 nH 280 . 000 000 MHz 12. 597 nH 280 . 000 000 MHz Cor Cor 2 1 1 Cor 2 CENTER 280 . 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 280 . 000 000 MHz SPAN Part No. 261901B Rev. Date 2004-07-09 Rev. NM4018-CS02 53. 000 000 MHz 5/5