SF0280BA01984S SPECTRUM | Alldatasheet

Document overview

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Technical content

280 MHz SAW Filter

17 MHz Bandwidth

Part Number: SF0280BA01984S Spectrum Microwave

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

www.SpectrumMicrowave.com DSSF0280BA01984S Rev A 19-Mar-2010 ECN 36650 Page 1 of 3

DESCRIPTION

  • 280 MHz SAW bandpass filter with 17 MHz of useable bandwidth in 5 x 5 mm LCC.
  • RoHS compliant. TYPICAL PERFORMANCE Vertical from top: Relative Magnitude : 10 dB/div Relative magnitude : 1 dB/div Group Delay Deviation : 25 ns/div S11 (Input) S22 (Output) 208 280 352

Part Number: SF0280BA01984S Spectrum Microwave www.SpectrumMicrowave.com DSSF0280BA01984S Rev A 19-Mar-2010 ECN 36650 Page 2 of 3 SPECIFICATION Parameter Min Typ Max Units Measured Center Frequency FC 1 279.50 280.00 280.50 MHz Insertion Loss - 8.6 10.0 dB 1 dB Bandwidth 2 - 17.0 - MHz 3 dB Bandwidth 2 20.0 24.3 - MHz 10 dB Bandwidth 2 27.9 30.0 MHz 15 dB Bandwidth 2 29.2 34.0 MHz 40 dB Bandwidth - - 200 MHz Amplitude Ripple (271.5 to 288.5 MHz) 0.6 1.0 dB p-p Group Delay Variation (271.5 to 288.5 MHz) 80 100 ns p-p Rejection: 30 to Fc-100 MHz Fc-100 to Fc-17 MHz Fc-17 to Fc-15 MHz Fc+15 to Fc+17 MHz Fc+17 to Fc+100 MHz Fc+100 to 500 MHz dB dB dB dB dB dB Temperature Coefficient of frequency -90 ppm/ ˚C Ambient Temperature 25 ˚C Notes: 1. Defined as the average of the lower and upper 3 dB frequencies. 2. All dB levels are defined relative to the insertion loss. MAXIMUM RATINGS Parameter Min Max Units Storage Temperature Range -40 85 ˚C Operating Temperature Range 20 30 ˚C Input Power Level 10 dBm MATCHING CIRCUIT Typical component values: (Minimum inductor Q=40) Notes: 1. Recommend use of 2% tolerance components. 2. Values shown here are intended as a guide only. Component values may change depending on board layout. Ls1 = 58 nH Ls2 = 52 nH Cp1 = 17 pF Cp2 = 13 pF 3 7 2 6 Input 50 Ω Single ended Output 50 Ω Single ended

Part Number: SF0280BA01984S Spectrum Microwave www.SpectrumMicrowave.com DSSF0280BA01984S Rev A 19-Mar-2010 ECN 36650 Page 3 of 3 PACKAGE OUTLINE 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 Dimensions are nominal in mm. All tolerances are ±0.15 mm except overall length and width and pad tolerances. Pad Configuration: Input: 3 Input Return: 2 Output: 7 Output Return: 6 Ground: 1,4,5,8 Package Material: Body: Al2O3 ceramic Lid: Kovar, Ni plated Terminations: Au plating 1 µm min, over a 1.3-8.9 µm Ni plating