6_W_WARBLE_TONE_SIREN

Published:2009/7/10 1:53:00 Author:May | From:SeekIC

This circuit uses a CMOS chip and a VMOS FET amplifier for 6 W of audio output. 18 W of audio canbe generated usmg a＋24-Vdc supply, IC1A and IC1B are used as a 1-Hz oscillator. IC1C and IC1D form a 1-kHz multivibrator that is gated by the 1-Hz signal from IC1A and IC1B.



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