Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Continuous tuning > Details > Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges

CPC:

Continuous tuning (H03J7/00, H03J9/00 take precedence; combination of continuous and discontinuous tuning other than for bandspreading H03J5/00) > Details > Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

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H03J 3/08 by varying a second parameter simultaneously with the tuning, e.g. coupling bandpass filter IPC+CPC Available in IPC and CPC