ClassID:

219106

H03D2200/0082 - CPC Classification

Classification description:

Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by; Functional aspects of demodulators Quadrature arrangements

Recent Application in this class:
#1
20220173946
2022-06-02

Frequency offset compensation at reflector during frequency compensation interval

#2
20210281218
2021-09-09

Mixing circuit with high harmonic suppression ratio

#3
20200350886
2020-11-05

Mixer

#4
20200028534
2020-01-23

RADIO RECEIVERS

#5
20190165741
2019-05-30

Wireless receiver and wireless reception method

#6
20190089306
2019-03-21

Flow detection with quadrature demodulation

#7
20180139078
2018-05-17

Systems and methods to provide upconverting with notch filtering

#8
20180123515
2018-05-03

Mixer of a near field communication (NFC) receiver device supporting single-ended and differential inputs

#9
20170328712
2017-11-16

Digital controller for a MEMS gyroscope

#10
20170294878
2017-10-12

Phase-rotated harmonic-rejection mixer apparatus

#11
20170222859
2017-08-03

Digital quadrature modulator and switched-capacitor array circuit

#12
20160066131
2016-03-03

Near field communications (NFC) device having adjustable gain

#13
20140342684
2014-11-20

Method of manufacture of a passive high-frequency image reject mixer

#14
20140179245
2014-06-26

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

#15
20140091849
2014-04-03

Wideband double balanced image reject mixer

#16
20130237150
2013-09-12

Near field communications (NFC) device having adjustable gain

#17
20130216004
2013-08-22

Receiver having inphase-quadrature imbalance compensation and inphase-quadrature imbalance compensation method thereof

#18
20130034193
2013-02-07

Method and device for demodulating complex carriers

#19
20120314810
2012-12-13

Receiver/transmitter capable of simultaneously receiving/transmitting discontinuous frequency signals and method thereof

#20
20120299633
2012-11-29

Frequency up and down converter

#21
20120242403
2012-09-27

Switching core layout

#22
20120200348
2012-08-09

Apparatus and method for demodulation

#23
20120142301
2012-06-07

Ultra low power, low noise switched capacitor radio frequency mixer

#24
20120086505
2012-04-12

Switching core layout

#25
20120028594
2012-02-02

Method and apparatus for imbalance-free FM demodulation in direct conversion radio receivers

#26
20110300823
2011-12-08

IMAGE REJECTION MIXER AND WIRELESS COMMUNICATION DEVICE

#27
20110110463
2011-05-12

Receiver with balanced I/Q transformer

#28
20110019773
2011-01-27

Signal processing circuit and method with frequency up- and down-conversion

#29
20110018626
2011-01-27

QUADRATURE AMPLITUDE DEMODULATOR AND DEMODULATION METHOD

#30
20110009084
2011-01-13

Passive high frequency image reject mixer

#31
20110009081
2011-01-13

Method of operation of a passive high-frequency image reject mixer

#32
20100253412
2010-10-07

Passive harmonic-rejection mixer

#33
20100247113
2010-09-30

Phase error correction in a coherent receiver

#34
20100144301
2010-06-10

Low IF radio receiver

#35
20090302925
2009-12-10

Orthogonal signal output circuit

#36
20090067544
2009-03-12

Method for recovering a baseband signal from an RF signal

#37
20090016466
2009-01-15

Complex digital phase locked loop for use in a demodulator and method of optimal coefficient selection

#38
20080232511
2008-09-25

Combined mixer and polyphase decimator

#39
20070165748
2007-07-19

Low IF radio receiver

#40
20060115019
2006-06-01

Complex digital phase locked loop for use in a demodulator and method of optimal coefficient selection

#41
20060105733
2006-05-18

System and method for developing ultra-sensitive microwave and millimeter wave phase discriminators

#42
20060056544
2006-03-16

Method and device for delay-sensitive measurement of a signal

#43
15156986
2017-07-18

Apparatus and method for providing background real-time second order input intercept point calibration

#44
15156972
2017-08-08

Apparatus and method for providing east second order input intercept point calibration based on two tone testing