SF0140CF51935T APITECH | Alldatasheet

Document overview

  • Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
  • PDF pages: 3

Technical content

140 MHz SAW Filter

28 MHz Bandwidth

Part Number: SF0140CF51935T Spectrum Microwave

400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401

www.SpectrumMicrowave.com DSSF0140CF51935T Rev B 11-Mar-2010 ECN 36650 Page 1 of 3

DESCRIPTION

  • 140 MHz SAW bandpass filter with 28 MHz bandwidth.
  • 22.1 x 12.7 mm DIP package.
  • RoHS compliant. TYPICAL PERFORMANCE Horizontal: Frequency : 8 MHz/div Vertical from Top: Relative Magnitude : 10 dB/div Relative magnitude : 1 dB/div Phase Linearity : 5 deg/div Group Delay : 50 ns/div S11 (100 to 180 MHz) S22 (100 to 180 MHz)

Part Number: SF0140CF51935T Spectrum Microwave www.SpectrumMicrowave.com DSSF0140CF51935T Rev B 11-Mar-2010 ECN 36650 Page 2 of 3 SPECIFICATION Parameter Min Typ Max Units Center Frequency (Fc) 1 139.75 140.00 140.25 MHz Insertion Loss at Fc - 24.8 26.5 dB 1 dB Bandwidth 26.4 26.8 - MHz 3 dB Bandwidth 28.0 28.4 - MHz 40 dB Bandwidth - 34.8 36.0 MHz Passband Ripple 2 - 0.5 0.7 dB p-p Phase Ripple 2 - 3 6 deg p-p Group Delay Ripple 2 - 20 50 ns p-p Absolute Delay - 1.04 - us Rejection (100 to 120 MHz) 50 55 - dB Rejection (160 to 180 MHz) 50 55 - dB Source and Load Impedance - 50 - ohms Ambient Temperature - 25 - ° C Notes: 1. Mean value of t he 3 dB band edge frequencies. 2. Computed as the delta of the highest an d lowest points inside the 1 dB Bandwidth. MAXIMUM RATINGS Parameter Min Typ Max Units Storage Temperature Range -40 25 85 ˚C Temperature Coefficient of Frequency - -74 - ppm/ ˚C Input Power Level - 10 13 dBm MATCHING CIRCUIT Typical component values: Notes: 1. Recommend use of 2% tolerance matching components. Inductor Q=45. 2. Component values are for reference only and may change depending on board layout. Ls1 = 47 nH Cp1 = 18 pF Input 50 Ω Single-ended Output 50 Ω Single-ended 14 8 1 7

Part Number: SF0140CF51935T Spectrum Microwave www.SpectrumMicrowave.com DSSF0140CF51935T Rev B 11-Mar-2010 ECN 36650 Page 3 of 3 PACKAGE OUTLINE MARKING ISO 9001 Registered All specifications are believed to be accurate and reliable. However, Spectrum Microwave reserves the right to make changes without notice. © 2010 All rights reserved. Units: mm Tolerances are ±0.15 mm except where indicated and for the overall length and width, which are nominal values. Pin Configuration: Input: 14 Input return: 1 Output: 8 Output return: 7 Ground: 2,9