> 
> I did some trace cutting and made the output stage a gain of 
> 1.45 or so, so 
> I am now getting about 10.4 volts, which helped some.  Now it 
> looks as if I 
> may be forced to trade the 7812 in my home made supply in for 
> a 7815 or an 
> LM317?, whatever the adjustable one is.
> 

Gene,

You could always trick your 7812 into being an adjustable
regulator by attaching its ground leg to a resistor divider
off of the output. See Figure 4 at the bottom of page 8 in
this data sheet:

http://www.ti.com/lit/ds/symlink/ua7805.pdf

Regards,
Steve Stallings


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