[sdiy] bipolar op amp to single-supply LM386

[HARRY BISSELL]

I second the motion...

H^) harry



----- Original Message -----
From: Paul Perry <pfperry at melbpc.org.au>
To: Synth-diy at dropmix.xs4all.nl
Sent: Sat, 15 Aug 2009 03:11:38 -0400 (EDT)
Subject: Re: [sdiy] bipolar op amp to single-supply LM386

I've never liked the LM386
In my experience, it is very prone to instabillity.
I admit that others have had great success with it; 
but it is definitely off my list of favoured chips.

I bet if you looked on a scope, you would see
bursts of high frequency oscillations.

paul perry Melbourne Australia

----- Original Message ----- 
From: 
> Having trouble converting the output of a bipolar op amp to a
> single-supply LM386....using a coupling capacitor at the inverting
> input...using all of the recommended bypass capacitors to prevent
> oscillation, noise, etc... Still getting seriously distorted signals,
> interfering with other modules on the same power supply...
> 
> Anyone else work through this problem?
> 

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