H03F1/36 - CPC Classification Index

ClassID:

219186 ⎘

H03F1/36 - CPC Classification

Classification description:

Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements; Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers

Recent Application in this class:

20250274081

2025-08-28

DIFFERENTIAL AMPLIFIER INCLUDING DUAL MAGNETICALLY COUPLED FEEDBACK LOOPS

20240364371

2024-10-31

POWER DETECTORS WITH ENHANCED DYNAMIC RANGE

20230344455

2023-10-26

Power detectors with enhanced dynamic range

20220103134

2022-03-31

Differential amplifier including dual magnetically coupled feedback loops

20220103131

2022-03-31

Amplifier linearization using magnetically coupled feedback provided by a transformer coupled to a balun-based load

20210036724

2021-02-04

Power detectors with enhanced dynamic range

20160234662

2016-08-11

Haptic effects broadcasting during a group event

20160065178

2016-03-03

Devices and methods for pulse-width modulation

20150325090

2015-11-12

Haptic effects broadcasting during a group event

#10

20140314252

2014-10-23

Method and device for reducing acoustic feedback

#11

20140167847

2014-06-19

Operational amplifying device with auto-adjustment output impedance

#12

20050275455

2005-12-15

Method and apparatus for linear low-frequency feedback in monolithic low-noise charge amplifiers