H03G3/12 - CPC Classification Index

ClassID:

220234 ⎘

H03G3/12 - CPC Classification

Classification description:

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

Recent Application in this class:

20250337381

2025-10-30

GAIN STAGE DEGENERATION INDUCTOR SWITCHING WITHOUT THE USE OF SWITCHES

20220255519

2022-08-11

Gain stage degeneration inductor switching without the use of switches

20190219672

2019-07-18

Device and method for processing an input signal and radar device

20170373657

2017-12-28

Method for adapting the volume gain for the power limitation of an amplifier and amplifier

20160306376

2016-10-20

Integrated circuit capable of providing a stable reference current and an electronic device with the same

20150349736

2015-12-03

Feedback amplifier

20150200629

2015-07-16

Guitar amplifier circuitry