ClassID:

219087

H03D2200/0045 - 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 Calibration of demodulators

Recent Application in this class:
#1
20220052644
2022-02-17

Systems and methods for detecting local oscillator leakage and image tone in I/Q mixer based transceivers

#2
20220007318
2022-01-06

System and method for IQ mismatch calibration and compensation

#3
20210175851
2021-06-10

Systems and methods for detecting local oscillator leakage and image tone in I/Q mixer based transceivers

#4
20190380101
2019-12-12

System and method for IQ mismatch calibration and compensation

#5
20180124616
2018-05-03

Apparatus and method for setting a local oscillator duty ratio based on an image distortion level

#6
20150271005
2015-09-24

Phase imbalance calibration

#7
20150137883
2015-05-21

Adaptive FM demodulator supporting multiple modes

#8
20150056938
2015-02-26

Method and system for characterising a frequency translating device

#9
20140242937
2014-08-28

Instrument LO used as alignment signal source

#10
20140179245
2014-06-26

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

#11
20140051441
2014-02-20

Complex intermediate frequency based receiver architecture

#12
20140028372
2014-01-30

Frequency mixing circuit and method for suppressing local oscillation leakage in frequency mixing circuit

#13
20120300818
2012-11-29

SELF-CALIBRATION I/Q IMBALANCE REDUCTION

#14
20120196555
2012-08-02

Semiconductor integrated circuit and operation method of the same

#15
20120182177
2012-07-19

MIXER MONITORING

#16
20120008705
2012-01-12

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

#17
20110059709
2011-03-10

Self-optimizing integrated RF converter

#18
20100233981
2010-09-16

Method and circuit for operating a mixer

#19
20080182537
2008-07-31

Automatic IIP2 calibration architecture

#20
16810761
2021-01-19

Systems and methods for detecting local oscillator leakage and image tone in I/Q mixer based transceivers