A variety of sound effects generator circuit

Published:2012/8/21 22:18:00 Author:Ecco | Keyword: variety , sound effects , generator | From:SeekIC

This circuit can produce eight kind of sounds, namely two kinds of machine gunfire, two kinds of bomb sound, dual tone music melody, game sound, animal calls and the sound of rifle shot. As shown in figure 10-6, eight kinds of sound can be played respectively by switching rotary switch S2 and pushing button switch. HT2880 is a kind of CMOS large-scale ROM chip. The transistors VT1 and VT2 in circuit are connected as Darlington pipe which is used to amplify the signal output from pin 4.



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