H03G3/08 - CPC Classification Index

ClassID:

220232 ⎘

H03G3/08 - CPC Classification

Classification description:

Gain control in amplifiers or frequency changers without distortion of the input signal; Manually-operated control in untuned amplifiers having discharge tubes incorporating negative feedback

Recent Application in this class:

20190219672

2019-07-18

Device and method for processing an input signal and radar device

20180342996

2018-11-29

SEMICONDUCTOR INTEGRATED CIRCUIT, VARIABLE GAIN AMPLIFIER, AND SENSING SYSTEM

20180097492

2018-04-05

Semiconductor integrated circuit, variable gain amplifier, and sensing system

20160099695

2016-04-07

Semiconductor integrated circuit, variable gain amplifier, and sensing system

20150200629

2015-07-16

Guitar amplifier circuitry