|29th August 2008, 07:13 PM||#21|
Join Date: May 2001
Thanks for the information.
I could not find the article................buried somewhere.
I have not seen the circuit used in any commercial design and JLH has not publised a full design using it. The idea should lend itself well to a balanced bridged design.
|29th August 2008, 07:21 PM||#22|
The one and only
driving the current source of the JFETs. A similar concept is found on the
THS4131 symmetric gain stage.
Alternatively you can load the output to ground and put adjustments in the
circuit for exactly establishing a balance point (hoping that it doesn't drift much).
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