IPC Subgroup
H03F 7/04 using variable-capacitance element; using variable-permitivity element
Introduced: September 1968
Last revised: January 2006
Full Title
Parametric amplifiers > using variable-capacitance element; using variable-permitivity element
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- AMPLIFIERS