Any of you EE types out there know of a simple single supply DC
inverter amp?

Here is what I am thinking. It is working but not optimized yet. I am
working on a simple hardware solution to using the ignition with
existing EFI computers controlling engines.

Paul Lamar

There are some opto isolators with integrated conditioning ckts
having logic level outputs. Both inverting and non inverting.

Robert LeClercq

I am dealing with analog voltages. Linear if possible.

What's wrong with an emitter follower?

David Josephson

Nothing. That should work with a large resister on the base. I forgot
  it was inverted. I kind of missed the bipolar  transistor era and
went straight into microprocessors :)

Paul Lamar

It's not necessarily inverted but can be, depending on where you take
your output. The crystal ball would give a clearer picture for your EE
friends if you could draw a graph of the voltage in/out curve you wanted
and what kind of current you need. Don't forget PNP transistors. There
*are* more or less linear optoisolators but no need to complicate things
if everything has the same ground reference.

David Josephson

Are there any mistakes in the schematic?

 Never ask a question that you don't already
know the answer too :)


Paul Lamar

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