US PATENT SUBCLASS 330 / 4.9-- .~ Semiconductor type (e.g., with semiconductor diode)

US PATENT SUBCLASS 330 / 4.9
.~ Semiconductor type (e.g., with semiconductor diode)

Current as of: June, 1999
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330 /	HD	AMPLIFIERS

4.5	DF	PARAMETRIC AMPLIFIERS {3}
4.9		.~ Semiconductor type (e.g., with semiconductor diode)

DEFINITION

Classification: 330/4.9

(under subclass 4.5) Subject matter wherein the nonlinear

reactance is of the semiconductor type (e.g., a diode).

SEE OR SEARCH THIS CLASS, SUBCLASS:

4.6, for travelling wave type parametric amplifiers whose nonlinear reactance is of the semiconductor type.

250+, for semiconductor amplifiers generally.

SEE OR SEARCH CLASS

327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems, appropriate subclasses for miscellaneous nonlinear circuits.