IPC Main Group
H03B 21/00 Generation of oscillations by combining unmodulated signals of different frequencies
Introduced: September 1968
Last revised: January 2006
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
Scope Notes
Glossary: Beating or mixing = multiplying | Limiting references: Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
1 direct subcode
Child Classifications
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- H03B 21/01 by beating unmodulated signals of different frequencies