TONE_BURST_FOR_MIKE

Published:2009/7/20 3:04:00 Author:Jessie | From:SeekIC

Uses NE566 PLL function generator to provide tone entry into 2-meter repeaters. Output is fed into volume control of any AM transistor radio, and loudspeaker is held in front of transceiver microphone when tone is desired.-F. J. Derfler, An Acoustically Coupled Digital Keyed Squeaker for Tone Burst Entry, 73Magazine, Aug, 1973, p 27-30.



Reprinted Url Of This Article:
http://www.seekic.com/circuit_diagram/Basic_Circuit/TONE_BURST_FOR_MIKE.html

Print this Page | Comments | Reading(3)