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Results tagged with operational-amplifier
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user 43064
Questions relating to the construction and applications of operational amplifiers, which are DC-coupled, high-gain electronic voltage amplifiers with a differential input and, usually, a single-ended output.
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What's the purpose of the OpAmp in this circuit?
The Op Amp feeds the buried zener and increases dramatically the PSRR and improves line regulation - it creates an ultra stable LDO of 7.2V feeding the buried zener and the base-emitter junction.
The …
