Shifting AC signal without interrupt it-Dc Offset-

144

01:51:09

You can easily change the offset value with changing resistor values

This can be useful for only dc reading projects like arduino dsp

Easiest way to add dc bias

Important : Not working normally under 500 hz freq

published 8 years ago

selman

8 years ago

Also used in basic amplifier topologies as AC coupling and offset elimination. That's because the impedance of a capacitor is inversely proportional to frequency thus having maximum impedance at 0 frequency (DC) and virtually short circuit at higher end of the spectrum.

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