ClassID:

219737

H03F2203/21154 - 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 power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers An output signal of a power amplifier being controlled by controlling voltage signal

Recent Application in this class:
#1
20170272074
2017-09-21

Digital signal up-converting apparatus and related digital signal up-converting method

#2
20160373243
2016-12-22

Digital signal up-converting apparatus and related digital signal up-converting method

#3
20160142027
2016-05-19

Amplifier and related method

#4
20140350872
2014-11-27

Transmit power measurement apparatus having programmable filter device that is set at least based on frequency response of transmit power detection path and related transmit power measurement method thereof

#5
20140348279
2014-11-27

Digital signal up-converting apparatus and related digital signal up-converting method

#6
20140348269
2014-11-27

Data converting device, digital transmitting apparatus using the data converting device, and related data converting method

#7
20140348264
2014-11-27

Digital transmitter and method for calibrating digital transmitter

#8
20140348259
2014-11-27

Signal converting device and digital transmitting apparatus applying the signal converting device

#9
20140348217
2014-11-27

Transmitter system with digital phase rotator used for applying digital phase rotation to constellation data and related signal transmission method thereof

#10
20140347127
2014-11-27

Switching power amplifier and method for controlling the switching power amplifier

#11
20140347094
2014-11-27

Reconfigurable circuit block supporting different interconnection configurations for rate-conversion circuit and processing circuit and related method thereof

#12
20070132513
2007-06-14

Variable gain amplifier