关键词: offset adjust, offset adjustment, op amp, nulling circuits, nulling op amps, DC offset voltage, opamps
Abstract: In some electronic systems, a DC offset voltage at the inputs will contribute a significant error to the output. This is especially true in high gain configurations. An offset adjustment circuit can be added to "null" out the offset voltage, making high gain stages practical even with significant input offset voltages found in op amp circuits.
EPOT Applications Offset Adjustment in Op-Amp Circuits.pdf
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