BANDPASS_FOR_CW

Published:2009/7/3 2:57:00 Author:May | From:SeekIC

Sophisticated audio processing system for CW bandpass, using communication receiver, has actual bandpass center frequency between 900 and 950 Hz.Bandwidth is about 150 Hz Minimum relative attenuation is above 20 dB，Uses three KineticTechnology FX-60 ICs(cuned from FS-60,FS-65,and FS-61 production by manufacturer).-M. A.Chapman, Audio Filters for Improving SSB and CW Reception, Ham Radio, Nov.1976, p 18-23.



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