summing amplifier

summing amplifier

[′səm·iŋ ′am·plə‚fī·ər]
(electronics)
An amplifier that delivers an output voltage which is proportional to the sum of two or more input voltages or currents.
References in periodicals archive ?
That signal is applied to a summing amplifier (or "error amplifier"), where it is compared to the feedback signal.
f] is the feedback resistor in the summing amplifier in [omega],