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| Integrated Circuit Systems, Inc. DESCRIPTION 280 MHz Bandpass Filter 17 MHz bandwidth Part Number SF0280BA01984S 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 (from top): Magnitude Group Delay Variation 10,1 50 dB/div ns/div SPECIFICATION Parameter Measured Center Frequency (Fc) Insertion Loss Amplitude Ripple 1 Group Delay Variation 1 3 dB Bandwidth 10 dB Bandwidth 15 dB Bandwidth 40 dB Bandwidth 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 Temperature Coefficient of Frequency (Tc) System Source and Load Impedance Ambient Temperature Notes: 1. Evaluated over 271.5-288.5 MHz. Rev X10 8-Jul-05 Min 279.5 20 40 15 10 10 15 40 - Typ 280.0 8.6 0.4 25 24.3 27.9 29.2 Max 280.5 10 1 50 30 34 200 - Units MHz dB dB p-p ns p-p MHz MHz MHz MHz dB dB dB dB dB dB ppm/C C 54 38 23 15 31 54 -90 50 25 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. PACKAGE OUTLINE 280 MHz Bandpass Filter 17 MHz bandwidth Part Number SF0280BA01984S Units: mm Pin Configuration: Input: Input Return: Output: Output Return: Ground: 3 2 7 6 1,4,5,8 MATCHING CIRCUIT 3 7 2 Typical component values: 6 Ls1 = 58 nH Cp1 = 17 pF Ls2 = 52 nH Cp2 = 13 pF Notes * Optimum component values may change depending on board layout. The values shown here are intended as a guide only. ISO 9001 Registered Rev X10 8-Jul-05 Page 2 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 |
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