On Sun, 26 Aug 2012 21:34:38 -0700
Chetan Bhargava <cbhargava@gmail.com> wrote:

> Thanks for the pointer. Q1 is in series with the load at the low side.
> Do you mean that I should put the transistor at the high side?

As Russell pointed out, the FET should be in the ground side of the
load resistor.

John
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