US PATENT SUBCLASS 330 / 99
.~.~ Multiple feedback

Current as of: June, 1999
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330 /   HD   AMPLIFIERS

75  DF  SIGNAL FEEDBACK {20}
98  DF  .~ In cascade amplifiers {1}
99.~.~ Multiple feedback {1}
100  DF  .~.~.~> A feedback to input of a prior stage

DEFINITION

Classification: 330/99

(under subclass 98) Subject matter including at least two signal feedback circuit means as defined therein.

SEE OR SEARCH THIS CLASS, SUBCLASS:

88+, for cascaded amplifiers having cathode-to-cathode signal feedback.

90+, for amplifiers having cathode impedance signal feedback combined with diverse type signal feedback coupling.