[sdiy] Curious powersupply/power distribution problem

[Antti Huovilainen]

On Tue, 9 Sep 2008, Karl Ekdahl wrote:

> Now what i need to do is to make my circuit work with audio signals that 
> aren't referenced to my ground, but in fact my -4.5V. I tried biasing 
> each signal with +4.5V but that didn't work, to the problem belongs that 
> i need to be able to use both AC and DC signals.

Try using coupling caps at input and output?

Antti

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