PT2389--the preset balancer integrated circuit

Published:2011/6/9 7:16:00 Author:qqtang | Keyword: preset balancer, integrated circuit | From:SeekIC

1.function featuresPT2389 is a balancer of full functions. Apart from the modes of flat, rock, pop, classical and jazz that could be set, it also can strengthen effect of low-heavy sound and 3D sound, it has a total of 20 kind of tones. Besides, it contains high/low sound gain selector, selective unit, control unit, silence/mute, 3D sound effect and other circuits, whose internal circuit are shown in Figure 9-23(b). 2.pin functionsPT2389 is in 24-pin DIP package or SO package of paster.



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