H03C2200/0058 - CPC Classification Index

ClassID:

218933 ⎘

H03C2200/0058 - CPC Classification

Classification description:

Indexing scheme relating to details of modulators or modulation methods covered by; Functional aspects of modulators Quadrature arrangements

Recent Application in this class:

20190007076

2019-01-03

Method and apparatus to detect lo leakage and image rejection using a single transistor

20180262383

2018-09-13

Apparatus and a method for generating a radio frequency signal

20180013603

2018-01-11

Combined amplitude-time and phase modulation

20170184646

2017-06-29

Electronic arrangement and vector network analyzer characterized by reduced phase noise

20160164554

2016-06-09

Transmitter with quantization noise compensation

20160056764

2016-02-25

Method and apparatus to detect LO leakage and image rejection using a single transistor

20160033563

2016-02-04

Electronic arrangement and vector network analyzer characterized by reduced phase noise

20150194934

2015-07-09

Quadrature modulator

20140285276

2014-09-25

Modulating device and modulation method

#10

20140179245

2014-06-26

Adjusting phase imbalance between in-phase (I) and quadrature-phase (Q) signals

#11

20130308725

2013-11-21

Transmitter with quantization noise compensation

#12

20130093495

2013-04-18

Transmitter

#13

20130049861

2013-02-28

Modulator and an amplifier using the same

#14

20130034193

2013-02-07

Method and device for demodulating complex carriers

#15

20120294388

2012-11-22

Vector modulator

#16

20120294343

2012-11-22

RF I/Q Modulator with Sampling Calibration System

#17

20120274409

2012-11-01

Injection locking based power amplifier

#18

20120229227

2012-09-13

Vector modulator using time delay and phase shifter

#19

20120112831

2012-05-10

Modulation and demodulation circuit

#20

20120063543

2012-03-15

Transmitter with quantization noise compensation

#21

20120033758

2012-02-09

Systems and methods for controlling local oscillator feed-through

#22

20110032046

2011-02-10

I/Q impairment calibration using a spectrum analyzer

#23

20110013682

2011-01-20

Modulation apparatus, test apparatus and correction method

#24

20110007843

2011-01-13

LOW POWER FM TRANSMITTER

#25

20100295628

2010-11-25

Apparatus, method and computer program

#26

20100248669

2010-09-30

Dual-band transceiver

#27

20080280579

2008-11-13

Systems and methods for controlling local oscillator feed-through

#28

20080116987

2008-05-22

Method and system for spur suppression in modulators

#29

20070297532

2007-12-27

Reducing image spectral leakage due to I-Q imbalance

#30

20050238114

2005-10-27

Quadrature modulation system

#31

20050069050

2005-03-31

Frequency based modulator compensation

#32

16018731

2019-06-25

Envelope detector-based feedback for radio frequency (RF) transmitters

#33

15064020

2017-04-04

Transmit amplitude and phase modulation based on two constant-amplitude phasors