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IPC Subgroup
H03J 3/28

of more than one resonant circuit simultaneously, the tuning frequencies of the circuits having a substantially constant difference throughout the tuning range

Introduced: September 1968

Last revised: January 2006

Full Title

Continuous tuning > of more than one resonant circuit simultaneously, the tuning frequencies of the circuits having a substantially constant difference throughout the tuning range

Classification Context

Section:
ELECTRICITY
Class:
ELECTRONIC CIRCUITRY
Subclass:
TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS

2 direct subcodes

Child Classifications

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  • H03J 3/3 Arrangements for ensuring tracking with variable inductors
  • H03J 3/32 Arrangements for ensuring tracking with variable capacitors