US PATENT SUBCLASS 330 / 255
.~.~ Having push-pull amplifier stage

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}
255.~.~ Having push-pull amplifier stage

DEFINITION

Classification: 330/255

Having push-pull amplifier stage:

(under subclass 252) Subject matter including an amplifier which has two identical signal branches connected so as to operate in phase opposition and with input and output connections, each balanced to ground.

SEE OR SEARCH THIS CLASS, SUBCLASS:

77, for push-pull amplifiers with feedback neutralization.

81+, for push-pull amplifiers with feedback.

118+, for vacuum tube amplifiers including a push-pull stage.

262, for push-pull amplifiers not in combination with differential amplifiers.