US PATENT SUBCLASS 330 / 180
.~.~ With R in anode and grid circuit (RC coupling)

Current as of: June, 1999
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330 /   HD   AMPLIFIERS

157  DF  INTERSTAGE COUPLING {11}
177  DF  .~ With coupling or blocking capacitor {3}
180.~.~ With R in anode and grid circuit (RC coupling)

DEFINITION

Classification: 330/180

(under subclass 177) Subject matter having in addition a resistance directly connected to the anode output electrode from the anode power supply of the preceding amplifier stage device and a resistance directly connected to the input grid electrode of the following amplifier stage device from the negative bias source or ground, each resistance being in shunt across the signal transmission path.

SEE OR SEARCH THIS CLASS, SUBCLASS:

199+, for power or voltage supply circuits to the anode or grid electrodes which may have resistors therein. See the search notes under subclass 199, below.