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DIFF Subgroup
G06G 7/163

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

Introduced: July 1974

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

No child classifications to compare. This is a leaf node in both IPC and CPC.