IPC Subgroup
H03F 7/02 using variable-inductance element; using variable-permeability element
Introduced: September 1968
Last revised: January 2006
Full Title
Parametric amplifiers > using variable-inductance element; using variable-permeability element
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- AMPLIFIERS