251401B

251401B ITF | Alldatasheet

Document overview

• Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
• PDF pages: 5

Technical content

SAW Bandpass Filter 251401B Part No. 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) 2. Package Dimension 0.45±0.05 2.5±0.2 17.7±0.2 2.5±0.2 7.6±0.26.0max5.5max 27.3±0.5 12.7±0.5 ITF 05A001 251401B Package : D2712 Pin Configuration

1 Input

5 Output

2, 4 Ground 3, 6 Case ground Dimensions shown are nominal in millimeters Base : Fe(SPCC), Au plating over Ni plated Cap : Cu & Cr Alloy, Ni Plated Termination : Kovar, Au Plated Rev. Date 2005-03-14 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NM5007-CS01 1/5

SAW Bandpass Filter 251401B 3. Specifications Fo = 140.0 MHz Terminating source impedance : 50 Ω and matching network Terminating load impedance : 50 Ω and matching network Minimum Typical Maximum Center Frequency MHz 139.9 140.0 140.1 Insertion Loss 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 Amplitude Ripple (Fo +/- 6.875 MHz) 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 - Temperature Coefficient of Frequency ppm/°C - -23 - 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 Part No. 251401B Rev. Date 2005-03-14 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NM5007-CS01 2/5

SAW Bandpass Filter 251401B Part No. 251401B 4. Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) Output 50Ω L3L2 Input 50Ω 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 Rev. Date 2005-03-14 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NM5007-CS01 3/5

SAW Bandpass Filter 251401B Part No. 251401B 6. Typical Performance ( at +25℃ ) CH1 S21 LOG 10 dB/ REF -25.02 dB CENTER 140 . 000 000 MHz SPAN 40. 000 000 MHz Cor

19 Nov 2004 05:08:16

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH1 Markers BW : 15. 899961 MHz cent : 139 . 995670 MHz Q : 8. 8048 1_loss : -24 . 895 dB CH1 S21 LOG 1 dB/ REF -24.55 dB Cor CH2 S21 DEL 100 ns/ REF 3.204 us CENTER 140 . 000 000 MHz SPAN 17. 000 000 MHz Cor Smo

19 Nov 2004 05:09:56

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH1 Markers BW : 14. 522067 MHz cent : 140 . 006160 MHz Q : 9. 6409 1_loss : -24 . 880 dB 3: 3. 6748 ns 13. 750 000 MHz REF=2 CH2 Markers mean : 3. 2172 us s. dev : 6. 7889 ns p-p : 38. 057 ns Rev. Date 2005-03-14 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NM5007-CS01 4/5

SAW Bandpass Filter 251401B Part No. 251401B CH1 CH1 S21 LOG 10 dB/ REF -25.47 dB START . 010 000 MHz STOP 450 . 000 000 MHz

19 Nov 2004 05:11:34

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH1 Markers 2:-71 . 570 dB 140 . 000 MHz 3:-62 . 520 dB 280 . 000 MHz Rev. Date 2005-03-14 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NM5007-CS01 5/5 S21 LOG 1 dB/ REF -24.55 dB CENTER 140 . 000 000 MHz SPAN 17. 000 000 MHz Cor CH2 LOG 1 dB/ REF -25.08 dB Cor S21

19 Nov 2004 05:09:42

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH1 Markers BW : 14. 212594 MHz cent : 140 . 010092 MHz Q : 9. 8511 1_loss : -24 . 892 dB 3: . 17410 dB 13. 750 000 MHz REF=2 CH2 Markers mean:-24 . 872 dB s. dev : . 12020 dB p-p : . 68290 dB CH1 S11 SWR 1 / REF 1.842 CENTER 140 . 000 000 MHz SPAN 40. 000 000 MHz Cor CH2 SWR 1 / REF 1.892 Cor S22

19 Nov 2004 05:10:57

1: 1. 8411 140 . 000 000 MHz 2: 1. 8899 140 . 000 000 MHz CH1 S11 1 U FS Cor CH2 S22 1 U FS CENTER 140 . 000 000 MHz SPAN 40. 000 000 MHz Cor

19 Nov 2004 05:11:03

1: 55. 508 -32 . 264 35. 235 pF 140 . 000 000 MHz 2: 33. 375 -20 . 645 55. 066 pF 140 . 000 000 MHz