using a variable impedance controlled by one of the input signals, variable amplification or transfer function

Introduced: July 1974

Last revised: January 2006

Full Title

Devices in which the computing operation is performed by varying electric or magnetic quantities > Arrangements for performing computing operations, e.g. amplifiers specially adapted therefor > for multiplication or division > using a variable impedance controlled by one of the input signals, variable amplification or transfer function

Classification Context

Section:: PHYSICS
Class:: COMPUTING OR CALCULATING; COUNTING
Subclass:: ANALOGUE COMPUTERS