AF_OSCILLATOR_MONITORS_CW

Published:2009/7/11 2:29:00 Author:May | From:SeekIC

Can be added to any transceiver not already having built-in sidetone oscillator, to hear keying of transmitter. RF input from transmitter is rectified by CR1 to provideabout 6-VDC supply. Keying of carrier on and off tums NE555 AF oscillator on and off correspondingly.-J. Amold, A CW Monitorfor the Swan 270, QST, Aug. 1976, p 44.



Reprinted Url Of This Article:
http://www.seekic.com/circuit_diagram/Signal_Processing/Oscillator_Circuit/AF_OSCILLATOR_MONITORS_CW.html

Print this Page | Comments | Reading(3)