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-   -   What does this mean? (http://www.diyaudio.com/forums/pass-labs/34270-what-does-mean.html)

bbakota2000 18th May 2004 03:24 PM

What does this mean?
 
Hi,
I read alot about changing the bias in the Alephs. I don't uderstand one pretty stupid thing. What does "50%-50% ac current gain means" or "50% costant current source gain"? 50% of what? How and where do I measure it? I know it's pretty stupid question for somebody but please enlighten me.

metalman 18th May 2004 04:17 PM

A simple description of adjusting the aleph current source is in the Zen V2 article at http://www.passdiy.com/projects/zenv2-1.htm

For the Zen amp, this means that the AC current through the resistor attached to the drain of the CCS MOSFET is 1/2 of the AC current delivered throught the output resistors.

Metalman


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