US PATENT SUBCLASS 330 / 259-- .~.~ Having D.C. feedback bias control for stabilization

US PATENT SUBCLASS 330 / 259
.~.~ Having D.C. feedback bias control for stabilization

Current as of: June, 1999
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330 /	HD	AMPLIFIERS

250	DF	WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) {21}
252	DF	.~ Including differential amplifier {9}
259		.~.~ Having D.C. feedback bias control for stabilization

DEFINITION

Classification: 330/259

Having D.C. feedback bias control for stabilization:

(under subclass 252) Subject matter including a feedback circuit for direct currents for the purpose of operating point stabilization.

SEE OR SEARCH THIS CLASS, SUBCLASS:

9, for amplifiers with periodic switching for input-output comparison including those having feedback circuits for drift correction, etc..

270, for D.C. feedback in push-pull complementary symmetry amplifiers.

290, for D.C. feedback in other transistor amplifiers.