US PATENT SUBCLASS 327 / 563
.~.~ With differential amplifier

Current as of: June, 1999
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327 /   HD   MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS

524  DF  SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM {22}
560  DF  .~ Nonlinear amplifying circuit {2}
563.~.~ With differential amplifier

DEFINITION

Classification: 327/563

With differential amplifier:

(under subclass 560) Subject matter wherein the non-linear circuit is combined with an amplifier having two similar input circuits so connected as to respond to the difference between two voltages (or currents) and effectively suppress voltages or currents which are alike in the two signals.

SEE OR SEARCH CLASS

330, Amplifiers,

252+, for semiconductor differential amplifiers.