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PCE
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IPC Subgroup
H03B 21/01

by beating unmodulated signals of different frequencies

Introduced: January 1980

Last revised: January 2006

Full Title

Generation of oscillations by combining unmodulated signals of different frequencies > by beating unmodulated signals of different frequencies

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

2 direct subcodes

Child Classifications

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  • H03B 21/02 by plural beating, i.e. for frequency synthesis
  • H03B 21/04 using several similar stages