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When I use an operational amplifier, for example, for an inverting amplifier, how important is to have a low level noise (ripple) on the power supply? In other words, should I expect to have the same ripple of the power supply on the output signal of the op-amp superimpose to the signal?
Thanks!
Hello guy,
I'm trying to read the position of a potentiometer from a long distance. My idea is to use a constant current passing throw the potentiometer and then using two instrumentation op-amp with a analog MUX and a 16bits ADC for reading the voltage drop on the hole potentiometer and on the...
Hello,
I’m designing a circuit to digitalize 80 analog signal using microcontrollers (in particular, PICs). The analog signal are relative low level current signals, from about 10nA to 10uA. As the dynamic range of the signal is very wide, I was thinking in using a logarithmic amplifier (like...
Hello everyone,
I have a general question about a power supplies:
I gonna buy a commercial bipolar power supply to which it is possible to control the voltage/current output and also have monitoring circuits that feedback to you the real voltage/current on its output. In normal operation...
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