ClassID:

219762

H03F2203/30031 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by; Indexing scheme relating to single-ended push-pull [SEPP]; Phase-splitters therefor A resistor being coupled as feedback circuit in the SEPP amplifier

Recent Application in this class:
#1
20190165612
2019-05-30

WIRELESS ELECTRIC FIELD POWER TRANSFER SYSTEM, METHOD, TRANSMITTER AND RECEIVER THEREFOR

#2
20160118939
2016-04-28

Amplifier and amplification method

#3
20160065153
2016-03-03

Inverter type power amplifier

#4
20150188495
2015-07-02

Current controlled transconducting inverting amplifiers

#5
20150054584
2015-02-26

Class AB signal generation apparatus

#6
20150014518
2015-01-15

High-speed transimpedance amplifier

#7
20140176241
2014-06-26

High-frequency bandwidth amplifying circuit

#8
20140132349
2014-05-15

Self-biasing radio frequency circuitry

#9
20140111281
2014-04-24

Low dissipation amplifier

#10
20130335145
2013-12-19

High-speed transimpedance amplifier

#11
20130147427
2013-06-13

Wireless resonant electric field power transfer system and method using high Q-factor coils

#12
20130033324
2013-02-07

Amplifier and associated receiver

#13
20120182072
2012-07-19

Self-biasing radio frequency circuitry

#14
20120169418
2012-07-05

Low dissipation amplifier

#15
20120049895
2012-03-01

Amplifying circuit and current-voltage conversion circuit

#16
20120025914
2012-02-02

CMOS power amplifier

#17
20120008705
2012-01-12

Apparatus and method for compensating for IQ mismatch in mobile communication system

#18
20110018638
2011-01-27

Split-biased current scalable buffer

#19
20100214024
2010-08-26

Low dissipation amplifier

#20
20100164618
2010-07-01

Feedback network for cascaded amplifiers

#21
20090295481
2009-12-03

High speed differential to single ended converting circuit

#22
20090231033
2009-09-17

Amplifier circuit

#23
20090224860
2009-09-10

System and method of using residual voltage from a prior operation to establish a bias voltage for a subsequent operation

#24
20080094110
2008-04-24

Transconductor Circuits

#25
20080048784
2008-02-28

Medium Voltage or High Voltage Audio Power Amplifier and Protection Circuit

#26
20080009255
2008-01-10

Peak detector and fixed gain amplifier circuit for automatic gain control and variable gain amplifier circuit