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Microphone Echo/delay IC datasheet.

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While thanking you for the reply, it is very cumbersome to get the IC in India and to make a pcb. Rather, I would prefer a simple circuit or complete schematic/pcb layout/component layout with IC datasheet. So, that i can make out a pcb for that and fit it unto my mic input (tape deck) and the delay adjustable by volume control to a max of (120 or 130 us. arppx.). Does any circuit have this facility?

I think simple transistor (cascading form) built around some R/C network will also have some echo effect.

I appreciate your immediate feedback and also need help from you further.


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