METHOD OF IMPROVING NOISE IMMUNITY IN A SIGNAL PROCESSING APPARATUS, AND A SIGNAL PROCESSING APPARATUS HAVING IMPROVED NOISE IMMUNITY

摘要

A signal processing apparatus that includes a circuit in which a signal processing function is performed during a first time period, the signal processing apparatus including or being associated with a switch or a filter in a power supply to the signal processing apparatus so as to disconnect the signal processing apparatus from the power supply or to filter the power supply during a second time period that is coincident with at least part of the first time period.