H03F2200/147 - CPC Classification Index

ClassID:

219536 ⎘

H03F2200/147 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers the feedback circuit comprising a series resonance circuit

Recent Application in this class:

20250096749

2025-03-20

POWER AMPLIFIER CIRCUIT

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

20180026591

2018-01-25

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

20170187337

2017-06-29

Advanced amplifier system for ultra-wide band RF communication

20160134244

2016-05-12

HIGH-FREQUENCY AMPLIFIER

20150229281

2015-08-13

BANDWIDTH IMPROVEMENT FOR RECEIVERS

20110109392

2011-05-12

LOW NOISE AMPLIFIER

20090179705

2009-07-16

Impedance-mapping amplifier circuit with exclusively reactive negative feedback

#10

20080055005

2008-03-06

Feedback-type variable gain amplifier and method of controlling the same

#11

20070013442

2007-01-18

Amplifier with feedback bridge

#12

20060001492

2006-01-05

Bandpass amplifier

#13

15836191

2019-05-07

System and method for generating high-voltage radio frequency signals using an electronically tuned resonator