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PCE
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IPC Main Group
H03F 7/00

Parametric amplifiers

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
ELECTRICITY
Class:
ELECTRONIC CIRCUITRY
Subclass:
AMPLIFIERS

Related Keywords

PARAMETRIC [amplifiers]

3 direct subcodes

Child Classifications

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  • H03F 7/02 using variable-inductance element; using variable-permeability element
  • H03F 7/04 using variable-capacitance element; using variable-permitivity element
  • H03F 7/06 with electron beam tube