US PATENT SUBCLASS 330 / 121
.~.~ D.C. coupling

Current as of: June, 1999
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330 /   HD   AMPLIFIERS

118  DF  INCLUDING A PUSH-PULL STAGE {4}
120  DF  .~ Interstage coupling between push-pull {1}
121.~.~ D.C. coupling

DEFINITION

Classification: 330/121

(under subclass 120) Subject matter wherein the signal coupling path from the output electrode of each amplifying device of the preceding stage to the input electrode of the corresponding device of the following stage is a D.C.. conductive path.

SEE OR SEARCH THIS CLASS, SUBCLASS:

159, 161, 163, 172, and 181+, for various types of interstage D.C.. coupling. See also the search notes thereunder.