Patent classifications
H
ELECTRICITY
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H03
ELECTRONIC CIRCUITRY
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H03F
AMPLIFIERS
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1/00
Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
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H03F1/30
Modifications of amplifiers to reduce influence of variations of temperature or supply voltage; or other physical parameters
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H03F1/305
in case of switching on or off of a power supply
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