Offset Error
One advantage or disadvantage (depending on application) of direct coupling is that any DC at the input appears as a valid signal to the system, and so it will be transferred from the input to the output (or between two directly coupled circuits). If this is not a desired result, then the term used for the output signal is output offset error, and the corresponding input signal is known as input offset error.
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“Error is to truth as sleep is to waking. I have observed that one turns, as if refreshed, from error back to truth.”
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