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12volt check

Playing with the two OpAmp approach I saw that it only took one OpAmp if no buffering was needed.

Then I realized that a single section of LM339 will do the same thing, without needing any diodes....

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...Jim Thompson

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|  James E.Thompson, P.E.                           |    mens     |
|  Analog Innovations, Inc.                         |     et      |
|  Analog/Mixed-Signal ASIC\'s and Discrete Systems  |    manus    |
|  Phoenix, Arizona            Voice:(480)460-2350  |             |
|  E-mail Address at Website     Fax:(480)460-2142  |  Brass Rat  |
|       http://www.analog-innovations.com           |    1962     |
             
I love to cook with wine.      Sometimes I even put it in the food.
Reply to
Jim Thompson
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Amazing!

A solution with almost no knowledge about the source and absolutely
none about the load!

I\'d say your salad days are behind you, Jim.
Reply to
John Fields

A 12 V relay should be adequate.

Reply to
Frithiof Andreas Jensen

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