261901B ITF | Alldatasheet

Document overview

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

Technical content

SAW Bandpass Filter 261901B Part No. 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) 2. Package Dimension 2.5±0.212.7±0.2 0.45±0.05 2.5±0.2 7.6±0.26.0max5.5max 20.3±0.5 12.7±0.5 ITF 04A001 261901B Package : D2012 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 2004-07-09 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NM4018-CS02 1/5

SAW Bandpass Filter 261901B Part No. 261901B 3. Specifications Fo = 280.0 MHz Terminating source impedance : 50 Ω and matching network Terminating load impedance : 50 Ω and matching network Minimum Typical Maximum Center Frequency MHz 279.875 280.0 280.125 Insertion Loss dB - 27.0 30.0 1dB Bandwidth MHz - 19.0 - 3dB Bandwidth MHz 19.0 19.4 - 50dB Bandwidth MHz - 21.3 21.6 Amplitude Ripple (Fo +/- 9.375 MHz) 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 - 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 I T F Co., Ltd. Rev. Date 2004-07-09 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NM4018-CS02 2/5

SAW Bandpass Filter 261901B Part No. 261901B 4. Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) C2C1 L2L1Input 50Ω Output 50Ω L1 = L2 = 12 nH C1 = C2 = 24 pF 5. Marking Configuration ITF1) 04A0012) 261901B3) 1) Manufacturer name 2) Lot Number 3) Part Number Rev. Date 2004-07-09 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NM4018-CS02 3/5

SAW Bandpass Filter 261901B Part No. 261901B CH1 S21 LOG 10 dB/ REF -26.94 dB CENTER 280 . 000 000 MHz SPAN 53. 000 000 MHz Cor

2 Jul 2004 13:11:45

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH1 Markers BW : 20. 966078 MHz cent : 279 . 942740 MHz Q : 13. 352 1_loss : -26 . 872 dB 6. Typical Performance ( at +25℃ ) CH1 S21 LOG 1 dB/ REF -26.53 dB Cor CH2 S21 DEL 100 ns/ REF 2.302 us CENTER 280 . 000 000 MHz SPAN 23. 000 000 MHz Cor Smo

2 Jul 2004 13:16:15

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH1 Markers BW : 19. 400055 MHz cent : 279 . 981130 MHz Q : 14. 432 1_loss : -26 . 781 dB 3:-6 . 4038 ns 18. 750 000 MHz REF=2 CH2 Markers mean : 2. 3260 us s. dev : 8. 9551 ns p-p : 53. 472 ns Rev. Date 2004-07-09 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NM4018-CS02 4/5

SAW Bandpass Filter 261901B Part No. 261901B CH1 CH1 S21 LOG 10 dB/ REF -27.78 dB START . 010 000 MHz STOP 900 . 000 000 MHz

2 Jul 2004 13:18:44

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH1 Markers 2:-58 . 465 dB 280 . 000 MHz 3:-41 . 074 dB 520 . 000 MHz Rev. Date 2004-07-09 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Rev. NM4018-CS02 5/5 S21 LOG 1 dB/ REF -26.53 dB CENTER 280 . 000 000 MHz SPAN 23. 000 000 MHz Cor CH2 LOG 1 dB/ REF -27.21 dB Cor S21

2 Jul 2004 13:16:02

1: 0. 0000 dB 0. 000 000 MHz REF=1 CH1 Markers BW : 19. 010986 MHz cent : 279 . 991973 MHz Q : 14. 728 1_loss : -26 . 769 dB 3:- . 07970 dB 18. 750 000 MHz REF=2 CH2 Markers mean:-26 . 924 dB s. dev : . 13200 dB p-p : . 72990 dB CH1 S11 SWR 1 / REF 1.745 CENTER 280 . 000 000 MHz SPAN 53. 000 000 MHz Cor CH2 SWR 1 / REF 2.096 Cor S22

2 Jul 2004 13:17:41

1: 1. 7458 280 . 000 000 MHz 2: 2. 0964 280 . 000 000 MHz CH1 S11 1 U FS Cor CH2 S22 1 U FS CENTER 280 . 000 000 MHz SPAN 53. 000 000 MHz Cor

2 Jul 2004 13:17:49

1: 45. 584 26. 518 15. 073 nH 280 . 000 000 MHz 2: 30. 469 22. 162 12. 597 nH 280 . 000 000 MHz