High Voltage Boosted Rail to Rail Output Composite Op Amp

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mediatechnology
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High Voltage Boosted Rail to Rail Output Composite Op Amp

Post by mediatechnology » Fri Oct 23, 2020 4:47 pm

High Voltage Boosted Rail to Rail Output Composite Op Amp

Found this circuit the other day and was reminded of our common emitter output discussions for a +30 dBu output. https://proaudiodesignforum.com/forum/p ... t=50#p6664

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"High Voltage Boosted Rail to Rail Output Composite Op Amp," Jung, Op Amp Applications Handbook.

The above approach is a little different from our 2013 discussion in that it has thermal feedback and that the output stage is common emitter formed by a current mirror.
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