SAW Bandpass Filter 251401B 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 : D2712 2.5±0.2 17.7±0.2 7.6±0.2 0.45±0.05 5.5max 6.0max ITF 05A001 251401B 27.3±0.5 12.7±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. 251401B Rev. Date 2005-03-14 Rev. NM5007-CS01 1/5 SAW Bandpass Filter 251401B 3. Specifications Fo = 140.0 MHz Terminating source impedance : 50Ω and matching network Terminating load impedance : 50Ω and matching network Minimum Typical Maximum MHz 139.9 140.0 140.1 dB - 25.0 26.0 1dB Bandwidth MHz - 14.2 - 3dB Bandwidth MHz 14.3 14.5 - 10dB Bandwidth MHz - 15.08 15.12 40dB Bandwidth MHz - 16.0 16.2 dB - 0.7 1.0 Group Delay Variation (Fo +/- 6.875 MHz) nsec - 50 100 Absolute Delay usec - 3.21 - Ultimate Rejection dB 50 52 - ppm/°C - -23 - Center Frequency Insertion Loss Amplitude Ripple (Fo +/- 6.875 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. 251401B Rev. Date 2005-03-14 Rev. NM5007-CS01 2/5 SAW Bandpass Filter 251401B 4. Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) L1 Input 50Ω L4 L2 Output 50Ω L3 L1 = 47 nH, L2 = 47 nH L3 = 56 nH, L4 = 47 nH 5. Marking Configuration ITF1) 05A0012) 251401B3) 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. 251401B Rev. Date 2005-03-14 Rev. NM5007-CS01 3/5 SAW Bandpass Filter 251401B 6. Typical Performance ( at +25℃ ) CH1 S21 LOG 10 dB/ 19 Nov 2004 05:08:16 1: 0. 0000 dB 0. 000 000 MHz REF -25.02 dB CH1 Markers 1 Cor 2 BW: 15. 899961 MHz cent : 139 . 995670 MHz REF=1 Q: 8. 8048 1_loss : -24 . 895 dB 3 4 CENTER 140 . 000 000 MHz CH1 CH2 S21 S21 LOG DEL 1 dB/ 100 ns/ SPAN 40. 000 000 MHz 19 Nov 2004 05:09:56 1: 0. 0000 dB 0. 000 000 MHz 3: 3. 6748 ns 13. 750 000 MHz REF -24.55 dB REF 3.204 us CH1 Markers BW: Cor 14. 522067 MHz cent : 140 . 006160 MHz REF=1 Q: 9. 6409 1 1_loss : -24 . 880 dB 2 3 Smo Cor 2 4 3 CH2 Markers mean : 3. 2172 us REF=2 s. dev : 6. 7889 ns p-p : 38. 057 ns CENTER 140 . 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 17. 000 000 MHz Part No. 251401B Rev. Date 2005-03-14 Rev. NM5007-CS01 4/5 SAW Bandpass Filter 251401B CH1 CH2 S21 S21 LOG LOG 1 dB/ 1 dB/ 19 Nov 2004 05:09:42 1: 0. 0000 dB 0. 000 000 MHz 3: . 17410 dB 13. 750 000 MHz REF -24.55 dB REF -25.08 dB CH1 Markers BW: Cor 14. 212594 MHz cent : 140 . 010092 MHz CH1 S21 LOG 10 dB/ 19 Nov 2004 05:11:34 1: 0. 0000 dB 0. 000 000 MHz REF -25.47 dB REF=1 CH1 Markers 2: -71 . 570 dB 140 . 000 MHz Q: 9. 8511 3: -62 . 520 dB 280 . 000 MHz 1 1_loss : -24 . 892 dB REF=1 1 2 3 4 3 2 Cor CH2 Markers REF=2 mean : -24 . 872 dB s. dev : . 12020 dB p-p : . 68290 dB 3 CENTER 140 . 000 000 MHz CH1 CH2 S11 S22 SWR SWR 1 / 1 / SPAN 17. 000 000 MHz 19 Nov 2004 05:10:57 1: 1. 8411 140 . 000 000 MHz 2: 1. 8899 140 . 000 000 MHz REF 1.842 REF 1.892 START CH1 CH2 S11 S22 . 010 000 MHz 1 U FS 1 U FS 2 1: 55. 508 2: 33. 375 STOP 450 . 000 000 MHz 19 Nov 2004 05:11:03 35. 235 pF 140 . 000 000 MHz 55. 066 pF 140 . 000 000 MHz -32 . 264 -20 . 645 Cor Cor 1 2 1 Cor Cor 2 CENTER 140 . 000 000 MHz CENTER 140 . 000 000 MHz SPAN SPAN 40. 000 000 MHz 40. 000 000 MHz I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Part No. 251401B Rev. Date 2005-03-14 Rev. NM5007-CS01 5/5