US PATENT SUBCLASS 330 / 159
.~.~ D.C. coupling

Current as of: June, 1999
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330 /   HD   AMPLIFIERS

157  DF  INTERSTAGE COUPLING {11}
158  DF  .~ Coupling to cathode {1}
159.~.~ D.C. coupling

DEFINITION

Classification: 330/159

(under subclass 158) Subject matter wherein the interstage coupling has a D.C.. conductive path for signal current from the output electrode of the preceding cascaded amplifying device to the input electrode of the following device.

SEE OR SEARCH THIS CLASS, SUBCLASS:

187, for amplifiers with D.C.. input coupling to the cathode.