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op amp controlling a mosfet
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jasen
electronics forum Guru Wannabe


Joined: 18 Jun 2006
Posts: 204

PostPosted: Fri Jul 21, 2006 9:01 am    Post subject: Re: op amp controlling a mosfet Reply with quote

On 2006-07-19, Ban <bansuri@masterweb.it> wrote:
Quote:
John Popelish wrote:

Why the opamp, wouldn't this be a *lot* simpler cheaper and have zero power
drain when off?

o-+----+^+-----+-o
| ||| |
| === |
| | ___ |
.-. +-|___|-'
| | |
| | |
'-' |
| |/
+--| NPN
|
|
o------+---------o

will that turn off?


--

Bye.
Jasen
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