3046

[Anders Sponton]

Ken MacBeth wrote:
> 
> Paul, I've been building Prodigy oscillators for some
> time now. They are a great building block for more
> sophisticated designs, and extremely close to the
> minimoog mk2 oscillators. The nice bit is that you
> don't need to go hunting around for TC resistors to
> keep them stable. Problem is though, any time I use
> the 1A regulators, the transistor oven blows. Someone
> once suggested to me that while 3046 is cold, it will
> drag to much current from the 1A regulator and then
> blow. The bit that blows by the way is only the
> heating element. The rest works fine. Are you familiar
> with this circuit? I think it's at Anders Spontons'
> site. i've actually been looking at designing an LM723
> based PSU for future projects, as I only have a few of
> the now obsolete LM79M12's left.
> 

The best PSU I ever had found for synth work is the one in Elektor
Formant PArt1. 2x15V + 5V.
723-based with series powertrannies.

Anders, Sweden