H03F2200/237 - CPC Classification Index

ClassID:

219569 ⎘

H03F2200/237 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers A parallel resonance being added in series in the input circuit, e.g. base, gate, of an amplifier stage

Recent Application in this class:

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2024-06-27

AEROSOL GENERATING DEVICE FOR CONTROLLING HEATING THROUGH POWER AMPLIFICATION AND OPERATING METHOD THEREOF

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2021-02-11

Power amplifier circuit

20200373890

2020-11-26

Amplification circuit, radio-frequency front end circuit, and communication device

20200266773

2020-08-20

Power amplifier module

20190199302

2019-06-27

Power amplifier circuit

20190165742

2019-05-30

Power amplifier module

20180205351

2018-07-19

Amplifier system for use as high sensitivity selective receiver without frequency conversion

20180205350

2018-07-19

Amplifier system for use as high sensitivity selective receiver without frequency conversion

20180062590

2018-03-01

Power amplifier module

#10

20180054222

2018-02-22

Digital variable capacitance circuit, resonant circuit, amplification circuit, and transmitter

#11

20180026591

2018-01-25

Logarithmic detector amplifier system for use as high sensitivity selective receiver without frequency conversion

#12

20170187337

2017-06-29

Advanced amplifier system for ultra-wide band RF communication

#13

20170063405

2017-03-02

Digital variable capacitance circuit, resonant circuit, amplification circuit, and transmitter

#14

20090237166

2009-09-24

High frequency power amplifier