[sdiy] RE: Re: [sdiy] Overdriving 4069UB

René Schmitz uzs159 at uni-bonn.de
Tue Jan 3 14:04:24 CET 2006


Hi Bbob,

rdrake wrote:
> René Schmitz has a VCO based on the 4069 (http://www.uni-bonn.de/~uzs159/vco4069.html); he mentions that the chip runs hot at 15 volts but apparently doesn't burn up.  I've got 2 running at 12 volts and have never noticed any heat issue at all.

It gets a little warm, but here only two gates are used in the linear mode.
But I use 3 gates with my threephase LFO also @15V, and this seems to 
work fine also.


Cheers,
  René

-- 
uzs159 at uni-bonn.de
http://www.uni-bonn.de/~uzs159





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