Modifications of amplifiers to reduce influence of variations of temperature or supply voltage

Introduced: September 1968

Full Title

Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements > Modifications of amplifiers to reduce influence of variations of temperature or supply voltage

Of 6 combined children, 0 exist in both systems.

6 codes are CPC-only extensions.

Child Classifications

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H03F 1/301 CPC only CPC only
H03F 1/302 CPC only CPC only
H03F 1/303 +1 CPC CPC only CPC only
H03F 1/305 CPC only CPC only
H03F 1/306 CPC only CPC only
H03F 1/307 +2 CPC CPC only CPC only