Quote:
Originally Posted by BrianG
From some research on using FETs as a pass transistor for a high-A power supply, it takes a special type of FET (read: expensive) to operate well in the linear region (as opposed to switching). FETs would be easier to parallel though. So, that leaves paralleling a bunch of transistors - ugg. I'd need a "few" to say the least!
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ANY power MOSFET can do this, as long as you can take their heat out. You don't have to take care of the FET linearity, the OpAmp will do. If you need I can draw a basic schematic for yoru ref.