H03F2203/7212 - CPC Classification Index

ClassID:

220192 ⎘

H03F2203/7212 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by; Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by switching off or on a feedback control loop of the amplifier

Recent Application in this class:

20230387863

FEEDBACK TOPOLOGIES FOR AMPLIFIER GAIN REDUCTION

20200025830

System and method for bidirectional current sense circuits

20190190623

Reducing impedance discontinuities on a shared medium

20180302049

Semiconductor device, semiconductor system, and control method of semiconductor device

20180138990

Reducing impedance discontinuities on a shared medium

20160294331

Apparatus and methods for chopping ripple reduction in amplifiers

20150357979

Operational amplifier

20120308050

Efficiency optimizer of an audio power amplifier for car radio

20120068770

Anti-glitch system for audio amplifier

20100231295

Electronic circuit

20070045519

Photocurrent amplifier circuit and optical pick-up device

20050225390

Amplifier having switchable negative feedback

15726180

Multimode transmit power control loop, electronic device, and method of adjusting a detected operating level of amplified power output