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Results tagged with operational-amplifier
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user 329803
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.
4
votes
2
answers
75
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Distortion when increasing Op Amp Input Resistor
I am working on the schematic below. My goal is to create an automatic gain control circuit which can handle inputs from around 5mV to 50mV and amplify them to be in the neighborhood of 2-3V.
The the …
- 408
0
votes
0
answers
14
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Accounting for Impact of Vbe Saturation Variability in N-Channel BJT Circuit
I have been working on an automatic gain control circuit which is shown in the image below.
The rational of the AGC is that larger signals at v_out will allow the PNP Transistor Q4 to conduct current …
- 408