US PATENT SUBCLASS 330 / 123
.~ Power or bias supply circuits and control thereof


Current as of: June, 1999
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330 /   HD   AMPLIFIERS

118  DF  INCLUDING A PUSH-PULL STAGE {4}
123.~ Power or bias supply circuits and control thereof


DEFINITION

Classification: 330/123

(under subclass 118) Subject matter including means to control the power supply and/or bias voltage supply applied to the electrodes of the amplifying devices; and/or subject matter under subclass 118 involving specific details or distinctive characteristics of the power or bias voltage supply of the amplifying devices.

SEE OR SEARCH THIS CLASS, SUBCLASS:

127+, for amplifiers with control of power supply or bias voltage. See the notes and search notes thereunder.

129+, for amplifiers with control of input electrode or gain control electrode bias. See the notes and search notes thereunder.

199+, for amplifier power or bias supply voltages. See the notes and search notes thereunder.