SF0280BA01984S ICST | Alldatasheet

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Technical content

280 MHz Bandpass Filter

17 MHz bandwidth

Part Number SF0280BA01984S Rev X10 8-Jul-05 Page 1 of 2 Integrated Circuit Systems • Surface Acoustic Wave Products

324 Clark Street, Worcester, MA 01606, USA • Phone 508-852-5400 • Fax 508-852-8456

www.icst.com QF12/3 Integrated Circuit Systems, Inc.

DESCRIPTION

280 MHz SAW bandpass filter in a 5x5 mm SMD package with > 17 MHz usable bandwidth for broadband access

applications. TYPICAL PERFORMANCE Horizontal: 10 MHz/div Vertical (fro m top): Magnitude 10,1 dB/div Group Delay Variation 50 ns/div SPECIFICATION Parameter Min Typ Max Units Measured Center Frequency (Fc) 279.5 280.0 280.5 MHz Insertion Loss - 8.6 10 dB Amplitude Ripple 1 - 0.4 1 dB p-p Group Delay Variation 1 - 25 50 ns p-p 3 dB Bandwidth 20 24.3 - MHz 10 dB Bandwidth - 27.9 30 MHz 15 dB Bandwidth - 29.2 34 MHz 40 dB Bandwidth - 200 MHz 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 (Tc) - -90 - ppm/°C System Source and Load Impedance - 50 - Ω Ambient Temperature - 25 - °C Notes: 1. Evaluated over 271.5-288.5 MHz.

Part Number SF0280BA01984S Rev X10 8-Jul-05 Page 2 of 2 Integrated Circuit Systems • Surface Acoustic Wave Products www.icst.com QF12/3 Integrated Circuit Systems, Inc. PACKAGE OUTLINE Units: mm Pin Configuration: Input: 3 Input Return: 2 Output: 7 Output Return: 6 Ground: 1,4,5,8 MATCHING CIRCUIT Typical component values: Ls1 = 58 nH Ls2 = 52 nH Cp1 = 17 pF Cp2 = 13 pF Notes

  • Optimum component values may change depending on board layout. The values shown here are intended as a guide only. 3 7 2 6 ISO 9001 Registered