summing amplifier configuration (A-level only)
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What a summing amplifier does

What a summing amplifier does

Schematic of an inverting summing amplifier with three input voltages through resistors into a virtual earth junction, grounded non-inverting input, feedback resistor, labelled currents, and output voltage A summing amplifier is an inverting op-amp circuit with several input resistors meeting at the same junction. You can think of it as an inverting amplifier with extra inputs. It combines several input voltages into one output, so it is useful in signal mixing such as audio desks.

summing amplifier configuration (A-level only) Lesson

  1. A Level
  2. /Physics
  3. /summing amplifier configuration (A-level only)