H03F1/10 - CPC Classification Index

ClassID:

219141 ⎘

H03F1/10 - CPC Classification

Classification description:

Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements; Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of amplifying elements with multiple electrode connections

Recent Application in this class:

20250253807

POWER AMPLIFYING CIRCUIT

20240154581

SIGNAL ACQUISITION CIRCUITS AND WEARABLE DEVICES

20220140790

Gallium nitride transimpedance amplifier

20220087588

BIOPOTENTIAL MEASUREMENT SYSTEM AND APPARATUS

20220077882

Splitter circuit, front end module, and operating method thereof

20210297047

Overvoltage protection and gain bootstrap circuit of power amplifier

20180338696

Biopotential measurement system and apparatus

20120062233

Input impedance of low noise preamplifiers used for MRI with dual source FET, floating ground and permanent ground