IPC Subgroup
H03B 9/12 using solid state devices, e.g. Gunn-effect devices
Introduced: July 1974
Last revised: January 2006
Full Title
Generation of oscillations using transit-time effects > using solid state devices, e.g. Gunn-effect devices
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
1 direct subcode
Child Classifications
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- H03B 9/14 and elements comprising distributed inductance and capacitance