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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H03F1/32
Modifications of amplifiers to reduce non-linear distortion
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H03F1/3229
using a loop for error extraction and another loop for error subtraction
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H03F1/3235
using a pilot signal
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