ClassID:

218730

H03B27/00 - CPC Classification

Classification description:

Generation of oscillations providing a plurality of outputs of the same frequency but differing in phase, other than merely two anti-phase outputs

Recent Application in this class:
#1
20250260406
2025-08-14

SINGLE-TANK QUADRATURE VOLTAGE-CONTROLLED OSCILLATOR (QVCO) AND METHOD OF OPERATION THEREOF

#2
20250260393
2025-08-14

INJECTION LOCKED PHASE ROTATOR

#3
20250202517
2025-06-19

Method, Device and Apparatus for Generating In-Phase (I) and Quadrature- Phase (Q) Local Oscillator Signals

#4
20250080121
2025-03-06

OSCILLATOR WITH PHASE-NOISE CANCELLATION

#5
20250047240
2025-02-06

Quadrature Oscillator

#6
20240369627
2024-11-07

DEVICE FOR MEASURING FREQUENCY RESPONSE OF A WAFER

#7
20230163762
2023-05-25

Superconducting quantum circuit apparatus and control method for a super conducting quantum circuit

#8
20220337257
2022-10-20

Multiphase frequency to voltage converter

#9
20220286089
2022-09-08

Quadrature oscillator circuitry and circuitry comprising the same

#10
20220244755
2022-08-04

Circuits and methods for multi-phase clock generators and phase interpolators

#11
20220082621
2022-03-17

Device and method for measuring characteristics of a wafer

#12
20220045410
2022-02-10

Frequency tuning method in rotary-based oscillator

#13
20210391853
2021-12-16

Radio design, control, and architecture

#14
20210391828
2021-12-16

Apparatus and methods for rotary traveling wave oscillators

#15
20210167782
2021-06-03

Quadrature oscillator circuitry and circuitry comprising the same

#16
20210159855
2021-05-27

Scalable terahertz phased array and method

#17
20210119578
2021-04-22

Quadrature voltage-controlled oscillator circuit with phase shift

#18
20200356133
2020-11-12

Wideband LO signal generation

#19
20200252070
2020-08-06

Local oscillator

#20
20200153386
2020-05-14

Method and apparatus for multimode wideband oscillator

#21
20200144964
2020-05-07

Compensating temperature null characteristics of self-compensated oscillators

#22
20200112423
2020-04-09

Quadrature signal generation

#23
20200106423
2020-04-02

Oscillation signal production

#24
20200007081
2020-01-02

Dual-mode oscillator and multi-phase oscillator

#25
20190372823
2019-12-05

CIRCUITS AND SYSTEMS FOR WIDEBAND QUADRATURE SIGNAL GENERATION

#26
20190341886
2019-11-07

Quadrature oscillator

#27
20190253060
2019-08-15

Wide-range local oscillator (LO) generators and apparatuses including the same

#28
20190190451
2019-06-20

Methods, circuits, and apparatus for calibrating an in-phase and quadrature imbalance

#29
20190165729
2019-05-30

Transformer feed-back quadrature voltage controlled oscillator for correcting dynamic phase error and communication apparatus using the same

#30
20180375711
2018-12-27

Circuits and systems for wideband quadrature signal generation

#31
20180351559
2018-12-06

Four-phase oscillator and CDR circuit

#32
20180351510
2018-12-06

Phase-tuning oscillators

#33
20180316338
2018-11-01

Apparatus and method for instant-on quadra-phase signal generator

#34
20180277301
2018-09-27

Active twisted figure ‘8’ inductor

#35
20180241346
2018-08-23

Synchronous oscillation circuit

#36
20180205386
2018-07-19

Wide-range local oscillator (LO) generators and apparatuses including the same

#37
20180191199
2018-07-05

Resonant regulating rectifier with an integrated antenna

#38
20180167031
2018-06-14

Triple-push type voltage-controlled oscillator

#39
20180131323
2018-05-10

Dual-mode oscillator and multi-phase oscillator

#40
20180123574
2018-05-03

Apparatus and method for instant-on quadra-phase signal generator

#41
20180097478
2018-04-05

Phase-selective entrainment of nonlinear oscillator ensembles

#42
20180097475
2018-04-05

Method and apparatus for reconfigurable multicore oscillator

#43
20180076765
2018-03-15

Phase noise reduction techniques for voltage-controlled oscillators (VCOs)

#44
20180054162
2018-02-22

Apparatus for oscillator with improved precision and associated methods

#45
20180026646
2018-01-25

MULTIPLE-OUTPUT OSCILLATOR CIRCUITS

#46
20170373639
2017-12-28

Method And System For A Multi-Core Multi-Mode Voltage-Controlled-Oscillator (VCO)

#47
20170359027
2017-12-14

Digital calibration for multiphase oscillators

#48
20170264240
2017-09-14

Integrated circuitry

#49
20170237398
2017-08-17

Phase-selective entrainment of nonlinear oscillator ensembles

#50
20170207791
2017-07-20

Integrated circuit having a multiplying injection-locked oscillator

#51
20170207747
2017-07-20

Oscillator with pulse-edge tuning

#52
20170194909
2017-07-06

Re-configurable single transformer quadrature voltage controlled oscillator

#53
20170117850
2017-04-27

Oscillation module, electronic device, and moving object

#54
20170104455
2017-04-13

Quadrature LC Tank Digitally Controlled Ring Oscillator

#55
20170104453
2017-04-13

Oscillator circuit, corresponding apparatus and method

#56
20170047892
2017-02-16

Resonant frequency divider design methodology for dynamic frequency scaling

#57
20170047891
2017-02-16

Method and system for a distributed transmission line multiplexer for a multi-core multi-mode voltage-controlled oscillator (VCO)

#58
20170033738
2017-02-02

Method and system for a multi-core multi-mode voltage-controlled-oscillator (VCO)

#59
20170012584
2017-01-12

Method for generating a plurality of oscillating signals with different phases and associated circuit and local oscillator

#60
20160344378
2016-11-24

Oscillation circuit, voltage controlled oscillator, and serial data receiver

#61
20160329921
2016-11-10

Local Oscillator Signal Generation

#62
20160322938
2016-11-03

Voltage-controlled ring oscillator with delay line

#63
20160301365
2016-10-13

Method and device for auto-calibration of multi-gate circuits

#64
20160254784
2016-09-01

Signal generator and associated phase shift apparatus and method

#65
20160241191
2016-08-18

Electronic circuits using coupled multi-inductors

#66
20160226501
2016-08-04

System and method for fast-capture multi-gain phase lock loop

#67
20160181975
2016-06-23

Power oscillator apparatus with transformer-based power combining

#68
20160099708
2016-04-07

Resonant frequency divider design methodology for dynamic frequency scaling

#69
20160079993
2016-03-17

Integrated circuit having a multiplying injection-locked oscillator

#70
20160079966
2016-03-17

Quadrature-based injection locking of ring oscillators

#71
20160072514
2016-03-10

Digitally controlled oscillator

#72
20160072440
2016-03-10

Digital calibration for multiphase oscillators

#73
20160072436
2016-03-10

Method and apparatus of synchronizing oscillators

#74
20150372665
2015-12-24

Quadrature LC tank digitally controlled ring oscillator

#75
20150303873
2015-10-22

Spin-transfer torque type injection locking oscillator and design method thereof

#76
20150295535
2015-10-15

Reducing mismatch caused by power/ground routing in multi-core VCO structure

#77
20150229316
2015-08-13

Monolithic signal generation for injection locking

#78
20150200625
2015-07-16

Oscillator startup

#79
20150180455
2015-06-25

Apparatus and methods for multiphase oscillators

#80
20150137895
2015-05-21

Quadrature-based injection locking of ring oscillators

#81
20150130543
2015-05-14

Method and apparatus of synchronizing oscillators

#82
20150084708
2015-03-26

Low phase noise voltage controlled oscillators

#83
20150070065
2015-03-12

Signal-alignment circuitry and methods

#84
20150028958
2015-01-29

Differential oscillator

#85
20150015431
2015-01-15

System and method for a radio frequency system

#86
20140306772
2014-10-16

Multi-phase voltage-controlled oscillator

#87
20140292420
2014-10-02

High-speed CMOS ring voltage controlled oscillator with low supply sensitivity

#88
20140285270
2014-09-25

Electronic oscillation circuit

#89
20140266891
2014-09-18

Phase shift based improved reference input frequency signal injection into a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation to reduce a phase-steering requirement during beamforming

#90
20140266471
2014-09-18

Programmable frequency divider for local oscillator generation

#91
20140218120
2014-08-07

Electronic circuits using coupled multi-inductors

#92
20140176247
2014-06-26

Oscillation method and oscillation circuit

#93
20140159824
2014-06-12

Orthogonally referenced integrated ensemble for navigation and timing

#94
20140092892
2014-04-03

Local oscillation generator, associated communication system and method for local oscillation generation

#95
20140086364
2014-03-27

Apparatus and methods for quadrature clock signal generation

#96
20140070898
2014-03-13

Low phase noise voltage controlled oscillators

#97
20140070893
2014-03-13

High frequency oscillator

#98
20140057586
2014-02-27

Systems and methods for improving the time alignment of non-overlapping waveforms

#99
20140043104
2014-02-13

Method and apparatus for a clock and signal distribution network for a 60 GHz transmitter system

#100
20140016731
2014-01-16

Millimeter-wave band radio transceiver device

#101
20140015615
2014-01-16

Digital calibration for multiphase oscillators

#102
20130278344
2013-10-24

Oscillation signal generator

#103
20130241661
2013-09-19

Voltage-controlled oscillator module and method for generating oscillator signals

#104
20130195225
2013-08-01

Systems and methods for improving 25% duty cycle switching mixer local oscillator timing

#105
20130157584
2013-06-20

Pumped distributed wave oscillator system

#106
20130135016
2013-05-30

Dividing a frequency by 1.5 to produce a quadrature signal

#107
20130088301
2013-04-11

Oscillator circuit and method of providing an oscillator output signal

#108
20130088268
2013-04-11

Multi-Phase Clock Generation System and Clock Calibration Method Thereof

#109
20130009715
2013-01-10

Inductance-capacitance (LC) oscillator

#110
20120256694
2012-10-11

Orthogonally referenced integrated ensemble for navigation and timing

#111
20120249250
2012-10-04

Quadrature Voltage Controlled Oscillator

#112
20120249248
2012-10-04

Phase-controlled oscillator

#113
20120223779
2012-09-06

Voltage-controlled oscillator

#114
20120182078
2012-07-19

Quadrature voltage-controlled oscillator and method of providing four-phase output signals

#115
20120169384
2012-07-05

Frequency divider arrangement and method for providing a quadrature output signal

#116
20120154060
2012-06-21

QUADRATURE VOLTAGE-CONTROLLED OSCILLATOR APPARATUS

#117
20120139651
2012-06-07

Voltage control oscillator and quadrature modulator

#118
20120133446
2012-05-31

Quadrature voltage controlled oscillator including transmission line

#119
20120119836
2012-05-17

High-speed CMOS ring voltage controlled oscillator with low supply sensitivity

#120
20120092077
2012-04-19

Capacitor coupled quadrature voltage controlled oscillator

#121
20120081155
2012-04-05

Dual-mode voltage controlled oscillator, frequency synthesizer and wireless receiving device

#122
20120075025
2012-03-29

OSCILLATING CIRCUIT

#123
20120049920
2012-03-01

IQ SIGNAL GENERATION CIRCUIT

#124
20120032745
2012-02-09

Frequency-coupled LCVCO

#125
20110298549
2011-12-08

Method and apparatus for tuning frequency of LC-oscillators based on phase-tuning technique

#126
20110291732
2011-12-01

Digital signal generator

#127
20110286510
2011-11-24

Electronic device for generating a fractional frequency

#128
20110267148
2011-11-03

Multiphase VCO Circuits and Methods with Wide Tuning Range

#129
20110241788
2011-10-06

Multi-phase signal generator and voltage-controlled oscillator thereof

#130
20110241748
2011-10-06

Methods and systems for generating local oscillator signals

#131
20110227612
2011-09-22

Frequency multiplier

#132
20110148535
2011-06-23

Multiple phase voltage controlled oscillator including a resonant circuit and negative resistance circuit

#133
20110077035
2011-03-31

Communication unit and method for frequency synchronising in a cellular communication network

#134
20110074482
2011-03-31

Oscillation signal generator for compensating for I/Q mismatch and communication system including the same

#135
20110050354
2011-03-03

Voltage control oscillator and quadrature modulator

#136
20110050296
2011-03-03

Divide-by-two injection-locked ring oscillator circuit

#137
20110043291
2011-02-24

Dynamic limiters for frequency dividers

#138
20110003571
2011-01-06

Low power LO distribution using a frequency-multiplying subharmonically injection-locked oscillator

#139
20100295598
2010-11-25

Adaptive radio transceiver with a local oscillator

#140
20100264996
2010-10-21

Nth-order arbitrary-phase-shift sinusoidal oscillator structure and analytical synthesis method of making the same

#141
20100255792
2010-10-07

Adaptive radio transceiver with an antenna matching circuit

#142
20100225375
2010-09-09

Reference signal generator circuit with filter-less quadrature mixers for wide-band applications

#143
20100219896
2010-09-02

Quadrature oscillator with high linearity

#144
20100188160
2010-07-29

Oscillator arrangement

#145
20100164633
2010-07-01

PLL circuit and radio communication apparatus

#146
20100120390
2010-05-13

LO generation with deskewed input oscillator signal

#147
20100109724
2010-05-06

Submillimeter-wave signal generation by linear superimposition of phase-shifted fundamental tone signals

#148
20100085122
2010-04-08

Device with two differential oscillators with pulsed power supply coupled to and in quadrature-phase with each other

#149
20100034333
2010-02-11

Methods and apparatus for improved phase linearity in a multi-phase based clock/timing recovery system

#150
20090302953
2009-12-10

Magnetic oscillator with multiple coherent phase output

#151
20090302828
2009-12-10

Oscillating system and assistant measuring circuit for oscillator

#152
20090286487
2009-11-19

Adaptive radio transceiver

#153
20090273403
2009-11-05

Trigger-mode distributed wave oscillator system

#154
20090261911
2009-10-22

Multi-phase oscillator

#155
20090251177
2009-10-08

Injection-locked frequency divider

#156
20090237168
2009-09-24

VOLTAGE-CONTROLLED OSCILLATOR

#157
20090231047
2009-09-17

Multi-phase voltage-control oscillator

#158
20090215423
2009-08-27

MULTI-PORT CORRELATOR AND RECEIVER HAVING THE SAME

#159
20090201064
2009-08-13

Phase interpolator system and associated methods

#160
20090137213
2009-05-28

Adaptive radio transceiver with offset PLL with subsampling mixers

#161
20090096494
2009-04-16

Circuit arrangement for generating a complex signal and the use of this circuit arrangement in a high-frequency transmitter or receiver

#162
20090079509
2009-03-26

LC quadrature oscillator having phase and amplitude mismatch compensator

#163
20090068975
2009-03-12

Quadrature-input quadrature-output divider and phase locked loop frequency synthesizer or single side band mixer

#164
20090058538
2009-03-05

Radiation hard oscillator and differential circuit design

#165
20090045850
2009-02-19

RTWO-based down converter

#166
20090027091
2009-01-29

Clock frequency dividing circuit

#167
20080290966
2008-11-27

Adaptive radio transceiver with filtering

#168
20080290957
2008-11-27

Receiver with colpitts differential oscillator, colpitts quadrature oscillator, and common-gate low noise amplifier

#169
20080238515
2008-10-02

Signal generation apparatus for frequency conversion in communication system

#170
20080191313
2008-08-14

Adaptive radio transceiver with floating mosfet capacitors

#171
20080182526
2008-07-31

Adaptive radio transceiver with an antenna matching circuit

#172
20080180181
2008-07-31

Ring oscillator with a two-stage phase blender for generating multi-phase clock signals

#173
20080174378
2008-07-24

Method of adjusting the resonance frequency of an L-C resonant circuit and resonant circuit

#174
20080150668
2008-06-26

Generating Variable Inductances by Altering the Physical Characteristics of Inductors Connected in Parallel

#175
20080143446
2008-06-19

Low phase-noise oscillator

#176
20080136537
2008-06-12

Frequency synthesizer

#177
20080113642
2008-05-15

Precision phase generator and method for phase generation

#178
20080106343
2008-05-08

Multi-phase voltage-control oscillator

#179
20080079508
2008-04-03

LC quadrature VCO having startup circuit

#180
20080079504
2008-04-03

QUADRATURE VOLTAGE CONTROLLED OSCILLATOR

#181
20080061896
2008-03-13

Electronic oscillators having a plurality of phased outputs and such oscillators with phase-setting and phase-reversal capability

#182
20080042754
2008-02-21

Quadrature LC voltage controlled oscillator with opposed bias and coupling control stages

#183
20080030282
2008-02-07

Injection-locked oscillator circuit

#184
20080014873
2008-01-17

METHODS AND APPARATUS FOR ADAPTIVE LOCAL OSCILLATOR NULLING

#185
20070290930
2007-12-20

Variable-phase ring-oscillator arrays, architectures, and related methods

#186
20070285154
2007-12-13

Adaptive radio transceiver with filtering

#187
20070259642
2007-11-08

System and method for generating local oscillator (LO) signals for a quadrature mixer

#188
20070247242
2007-10-25

QUADRATURE VOLTAGE-CONTROLLED OSCILLATOR

#189
20070242775
2007-10-18

Harmonic-rejection modulation device

#190
20070241826
2007-10-18

Oscillating circuit

#191
20070194780
2007-08-23

Generator of a.c. signals, such as reference signals, and aircraft equipped with such a generator

#192
20070188248
2007-08-16

Quadrature oscillator with simplified amplitude, phase and frequency control

#193
20070182497
2007-08-09

Electronic oscillators having a plurality of phased outputs and such oscillators with phase-setting and phase-reversal capability

#194
20070176703
2007-08-02

Receiver with colpitts differential oscillator, colpitts quadrature oscillator, and common-gate low noise amplifier

#195
20070173218
2007-07-26

Offset local oscillator without using frequency divider

#196
20070170957
2007-07-26

Frequency adjustment techniques in coupled LC tank circuits

#197
20070146044
2007-06-28

Quadrature mixer circuit and RF communication semiconductor integrated circuit

#198
20070082640
2007-04-12

Signal generation apparatus, frequency converting apparatus, and receiver

#199
20070077905
2007-04-05

QUADRATURE VOLTAGE CONTROLLED OSCILLATOR

#200
20070057740
2007-03-15

Quadrature voltage controlled oscillator and wireless transceiver including the same

#201
20070057706
2007-03-15

Multiphase resonant pulse generators

#202
20070049205
2007-03-01

Adaptive radio transceiver with an antenna matching circuit

#203
20070018739
2007-01-25

Frequency adjustment techniques in coupled LC tank circuits

#204
20070018738
2007-01-25

Voltage-controlled oscillator circuit and PLL circuit

#205
20060284686
2006-12-21

Quadrature phase oscillator using complex coefficient filter

#206
20060269014
2006-11-30

Oscillator frequency selection

#207
20060246861
2006-11-02

Regenerative divider for up and down conversion of radio frequency (RF) signals

#208
20060238259
2006-10-26

Quadrature voltage controlled oscillators with phase shift detector

#209
20060226923
2006-10-12

Oscillator circuit

#210
20060208811
2006-09-21

Multi-phase clock generator and method thereof

#211
20060205374
2006-09-14

Adaptive radio transceiver with a local oscillator

#212
20060181356
2006-08-17

Quadrature voltage controlled oscillator

#213
20060170507
2006-08-03

Quadrature signal generator for tuning phases of all of four generated quadrature signals

#214
20060159005
2006-07-20

Orthogonal signal generation using vector spreading and combining

#215
20060135108
2006-06-22

Phase-accurate multi-phase wide-band radio frequency local oscillator generator

#216
20060104386
2006-05-18

Quadrature voltage controlled oscillator for global positioning system frequencies

#217
20060097801
2006-05-11

Serially RC coupled quadrature oscillator

#218
20060087473
2006-04-27

Radar system using quadrature signal

#219
20060077014
2006-04-13

Oscillator with quadrature output in a cross-coupled configuration

#220
20050281356
2005-12-22

Quadrature voltage controlled oscillator with automated phase control

#221
20050275469
2005-12-15

Quadrature voltage controlled oscillators with phase shift detector

#222
20050265053
2005-12-01

Oscillator and semiconductor device

#223
20050253660
2005-11-17

Quadrature VCO using symmetrical spiral inductors and differential varactors

#224
20050253659
2005-11-17

Current-controlled quadrature oscillator using differential gm/C cells incorporating amplitude limiters

#225
20050225404
2005-10-13

Varactor-based ring oscillator

#226
20050225403
2005-10-13

Oscillator with quadrature output in a cross-coupled configuration

#227
20050215223
2005-09-29

Current interpolation in multi-phase local oscillator for use with harmonic rejection mixer

#228
20050195643
2005-09-08

Differential and quadrature harmonic VCO and methods therefor

#229
20050186930
2005-08-25

Adaptive radio transceiver with offset PLL with subsampling mixers

#230
20050186925
2005-08-25

Adaptive radio transceiver with floating MOSFET capacitors

#231
20050153664
2005-07-14

Adaptive radio transceiver with an antenna matching circuit

#232
20050148310
2005-07-07

Harmonic image-reject converter

#233
20050128010
2005-06-16

Interconnected multi-stage oscillator

#234
20050116784
2005-06-02

Quadrature oscillator and methods thereof

#235
20050113056
2005-05-26

Signal conditioning circuit

#236
20050107063
2005-05-19

Frequency conversion circuit arrangement and mobile radio comprising said circuit arrangement

#237
20050046494
2005-03-03

Low power quadrature voltage controlled oscillator using back gate

#238
20050035823
2005-02-17

Source-injection parallel coupled LC-quadrature voltage controlled oscillator

#239
18150161
2024-04-09

Low-capacitance feedforward level-translator architecture for high-speed multi-phase oscillators

#240
17106483
2022-03-08

Wideband quadrature phase generation using tunable polyphase filter

#241
16155512
2019-11-12

Quadrature signal generation

#242
15177594
2017-08-15

Coupled oscillators

#243
14986607
2016-11-01

Inductive coupled pass transistor quadrature voltage controlled oscillator

#244
14986604
2016-11-08

Re-configurable single transformer quadrature voltage controlled oscillator

#245
14919964
2016-10-18

Apparatus and methods for phase linearization and interpolation in rotary traveling wave oscillators

#246
14803423
2016-10-25

Quadrature voltage controlled oscillator

#247
14732367
2016-08-23

Tunable quadrature oscillator

#248
14680174
2016-05-24

Phase-locked loop circuit having low close-in phase noise