All Questions
4 questions
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Is it necessary to connect the (-) terminal to earth when connecting two bench top power supplies in series to achieve a bipolar supply?
I have noticed when researching online that it is always mentioned to connect the (-) terminal to earth when connecting two power supplies in series to create a bipolar supply. Is there any issue with ...
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3
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Adjustable power resistance
I have to design a circuit that must draw up to 1200 W on 12 VDC to 40 VDC, maximum 50 A, during 100 ms and be adjustable.
The first approach was to use power resistors (LTO100) of several values, ...
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2
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Can a 4051 Multiplexer accept +/- 12v bipolar power
I'm looking to use a CD4051B multiplexer as a digitally-controlled switcher for audio signals.
The audio is coming from the HP / BP output of a voltage-controlled filter in a synth. The signal ...
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Rin, Rout and Gain of Power Amplifier
I'm trying to find the input resistance, output resistance and gain of this circuit.
simulate this circuit – Schematic created using CircuitLab
My textbook only has the simpler case when \$R_1 ...