ClassID:

219074

H03D2200/0019 - CPC Classification

Classification description:

Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by; Circuit elements of demodulators Gilbert multipliers

Recent Application in this class:
#1
20250392258
2025-12-25

ASSISTED MILLIMETER WAVE GILBERT MIXER WITH A NEGATIVE TRANSCONDUCTANCE CELL

#2
20220103127
2022-03-31

Precision high frequency phase adders

#3
20200366243
2020-11-19

Precision High Frequency Phase Adders

#4
20190363675
2019-11-28

Precision high frequency phase adders

#5
20180269836
2018-09-20

Precision high frequency phase adders

#6
20180262161
2018-09-13

Octagonal phase rotators

#7
20180097479
2018-04-05

Mixer

#8
20170093338
2017-03-30

Mixer

#9
20150188741
2015-07-02

Up-conversion mixer having a reduced third order harmonic

#10
20140204981
2014-07-24

Method for operating a UWB device

#11
20140049309
2014-02-20

Up-conversion mixer having a reduced third order harmonic

#12
20130049842
2013-02-28

Radio frequency circuit and mixer

#13
20120314810
2012-12-13

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

#14
20120262216
2012-10-18

Up-conversion mixer having a reduced third order harmonic

#15
20120242403
2012-09-27

Switching core layout

#16
20120086505
2012-04-12

Switching core layout

#17
20110142093
2011-06-16

LOW VOLTAGE MIXER CIRCUIT FOR A UWB SIGNAL TRANSMISSION DEVICE

#18
20110059709
2011-03-10

Self-optimizing integrated RF converter

#19
20110018626
2011-01-27

QUADRATURE AMPLITUDE DEMODULATOR AND DEMODULATION METHOD

#20
20090160502
2009-06-25

Frequency multiplier

#21
20090036069
2009-02-05

LO 2LO upconverter for an in-phase/quadrature-phase (I/Q) modulator

#22
20080315953
2008-12-25

Variable gain mixer

#23
20080284487
2008-11-20

Passive mixer and high Q RF filter using a passive mixer

#24
20080160950
2008-07-03

Communication device, mixer and method thereof

#25
20070135074
2007-06-14

Quadrature mixer circuits and mobile terminal using the same

#26
20070054648
2007-03-08

Low noise mixer

#27
20070010228
2007-01-11

Mixer arrangement, use of the mixer arrangement and method for frequency conversion

#28
20060172718
2006-08-03

Mixer stage and method for mixing signals of different frequencies

#29
20050170806
2005-08-04

Mixer circuit for direct conversion transceiver with improved IP2

#30
20050001669
2005-01-06

Mixer circuit offset compensation