peak detectors, log amplifiers, antilog amplifiers, instrumentation amplifiers and programmable gain amplifiers.

Attenuation

Attenuation, the opposite of amplification, is necessary when voltages to be digitized are beyond the ADC range. This form of signal conditioning decreases the input signal amplitude so that the conditioned signal is within ADC range. Attenuation is typically necessary when measuring voltages that are more than 10 V.

Excitation

Some sensors require external voltage or current source of

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