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Stee 27th May 2012 09:53 AM

The EasyWay AMP
1 Attachment(s)
In this project
you can see an inverting power amplifier

a) only 4 stages
b) common base VAS and
c) low gain output devices

input impedance is low
so need a Op-Amp preamplifier

ideal gain is G=10 :Olympic:

djk 29th May 2012 01:27 PM

the 24s and 25s are reversed.

You're not running much current through the input transistors. How do you expect to develop any voltage across the 150Ω resistors?

Stee 29th May 2012 01:48 PM

Thanks a lot
1 Attachment(s)
see now if works:rolleyes:

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