ClassID:

221317

H03K3/0322 - CPC Classification

Classification description:

Circuits for generating electric pulses; Monostable, bistable or multistable circuits; Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback; Astable circuits; Ring oscillators with differential cells

Recent Application in this class:
#1
20250392316
2025-12-25

METHODS AND APPARATUS OF CHARGE-SHARING LOCKING WITH DIGITAL CONTROLLED OSCILLATORS

#2
20250293697
2025-09-18

RING OSCILLATOR AND COMMUNICATION APPARATUS

#3
20250260393
2025-08-14

INJECTION LOCKED PHASE ROTATOR

#4
20250202492
2025-06-19

Programmable Regulator Voltage Controlled Ring Oscillator

#5
20240413827
2024-12-12

Systems for and methods of phase interpolation

#6
20240396533
2024-11-28

OSCILLATION RING CIRCUIT AND APPARATUS AND METHOD FOR MEASURING READING TIME OF SEQUENTIAL CIRCUIT

#7
20240223165
2024-07-04

Oscillation device and method for oscillation thereof

#8
20240022255
2024-01-18

METHODS AND APPARATUS OF CHARGE-SHARING LOCKING WITH DIGITAL CONTROLLED OSCILLATORS

#9
20240007114
2024-01-04

Phase-lock loop circuit, voltage-controlled oscillator and compensation method

#10
20230396240
2023-12-07

THREE-STAGE DIFFERENTIAL RING OSCILLATOR GENERATING DIFFERENTIAL IN-PHASE AND QUADRATURE-PHASE CLOCKS

#11
20230387923
2023-11-30

Programmable regulator voltage controlled ring oscillator

#12
20230179185
2023-06-08

Glitch-free frequency tuning of ring-oscillators

#13
20230179184
2023-06-08

Delay cell circuits

#14
20230170884
2023-06-01

Wide frequency range voltage controlled oscillator

#15
20230155552
2023-05-18

Apparatus comprising a local oscillator for driving a mixer

#16
20230088853
2023-03-23

DEVICE, METHOD AND SYSTEM TO DETERMINE CALIBRATION INFORMATION WITH A SHARED RING OSCILLATOR CIRCUIT

#17
20230052899
2023-02-16

Methods and apparatus of charge-sharing locking with digital controlled oscillators

#18
20220407527
2022-12-22

Programmable regulator voltage controlled ring oscillator

#19
20220376683
2022-11-24

Voltage controlled oscillator and control method thereof, P2P interface circuit, electronic device

#20
20220294432
2022-09-15

Multiple adjacent slicewise layout of voltage-controlled oscillator

#21
20220221420
2022-07-14

METHODS AND SYSTEMS FOR READOUT OF NANOGAP SENSORS

#22
20220130440
2022-04-28

Memory including clock generation circuit and duty cycle adjustment

#23
20210391828
2021-12-16

Apparatus and methods for rotary traveling wave oscillators

#24
20210281249
2021-09-09

Multiple adjacent slicewise layout of voltage-controlled oscillator

#25
20210218408
2021-07-15

Multiple-moduli ring-oscillator-based frequency divider

#26
20210167785
2021-06-03

Oscillator closed loop frequency control

#27
20210067145
2021-03-04

Ring voltage controlled oscillator (VCO) startup helper circuit

#28
20210036691
2021-02-04

Ring oscillator and method for controlling start-up of ring oscillator

#29
20200371151
2020-11-26

Method and circuitry for semiconductor device performance characterization

#30
20200321915
2020-10-08

Multiple adjacent slicewise layout of voltage-controlled oscillator

#31
20200304132
2020-09-24

Oscillator closed loop frequency control

#32
20200177193
2020-06-04

VOLTAGE CONTROLLED OSCILLATOR BASED ON COMPLEMENTARY CURRENT-INJECTION FIELD-EFFECT TRANSISTOR DEVICES

#33
20200106423
2020-04-02

Oscillation signal production

#34
20200041577
2020-02-06

Linear, low-latency power supply monitor

#35
20200028515
2020-01-23

Compact phase-locked loop with low jitter and reference spurs

#36
20190245545
2019-08-08

Device and method for controllably delaying electrical signals

#37
20190238122
2019-08-01

Ring voltage-controlled oscillator and phase-locked loop

#38
20190165769
2019-05-30

Full range realignment ring oscillator

#39
20190123727
2019-04-25

Variable delay circuits and methods

#40
20190113476
2019-04-18

Methods and systems for readout of nanogap sensors

#41
20190068174
2019-02-28

Jitter-free ring oscillator

#42
20190066806
2019-02-28

Semiconductor device having ring oscillator and method of arranging ring oscillator

#43
20180351513
2018-12-06

Systems and methods for ring-oscillator based operational amplifiers for scaled CMOS technologies

#44
20180167032
2018-06-14

Radio frequency power amplifier with feed-forward signal path

#45
20180123513
2018-05-03

Oscillator circuit with temperature compensation function

#46
20180019757
2018-01-18

Passive phased injection locked circuit

#47
20170373697
2017-12-28

Phase frequency detector and accurate low jitter high frequency wide-band phase lock loop

#48
20170288655
2017-10-05

Arbitrary delay buffer

#49
20170288651
2017-10-05

High stable oscillator for various operating mode

#50
20170257082
2017-09-07

Circuits and methods of synchronizing differential ring-type oscillators

#51
20170207791
2017-07-20

Integrated circuit having a multiplying injection-locked oscillator

#52
20170207751
2017-07-20

Systems and methods for ring-oscillator based operational amplifiers for scaled CMOS technologies

#53
20170117907
2017-04-27

Frequency synthesizer with injection locked oscillator

#54
20170040941
2017-02-09

Injection-locked oscillator and method for controlling jitter and/or phase noise

#55
20160344378
2016-11-24

Oscillation circuit, voltage controlled oscillator, and serial data receiver

#56
20160322976
2016-11-03

Temperature sensing apparatus

#57
20160322938
2016-11-03

Voltage-controlled ring oscillator with delay line

#58
20160308665
2016-10-20

Method for performing phase shift control for timing recovery in an electronic device, and associated apparatus

#59
20160301365
2016-10-13

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

#60
20160173069
2016-06-16

Voltage-controlled ring oscillator with delay line

#61
20160164459
2016-06-09

OSCILLATOR AND SEMICONDUCTOR DEVICE INCLUDING THE SAME

#62
20160156360
2016-06-02

Signal generator and calibrating method thereof

#63
20160099710
2016-04-07

Method for performing phase shift control in an electronic device, and associated apparatus

#64
20160079993
2016-03-17

Integrated circuit having a multiplying injection-locked oscillator

#65
20160079963
2016-03-17

Apparatus and method for generating ramp signal

#66
20160065220
2016-03-03

CMOS oscillator having stable frequency with process, temperature, and voltage variation

#67
20160028379
2016-01-28

Clock phase adjustment mechanism of a ring oscillator using a phase control signal

#68
20150381153
2015-12-31

Oscillator circuit

#69
20150372665
2015-12-24

Quadrature LC tank digitally controlled ring oscillator

#70
20150341040
2015-11-26

Clock Generator and Switch-capacitor Circuit Comprising the Same

#71
20150162923
2015-06-11

Circuits and methods of synchronizing differential ring-type oscillators

#72
20150137897
2015-05-21

High-precision oscillator

#73
20150097629
2015-04-09

Reconfigurable multi-path injection locked oscillator

#74
20150008986
2015-01-08

Digital controlled oscillator and frequency variable oscillator

#75
20140292420
2014-10-02

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

#76
20140266476
2014-09-18

Extended range ring oscillator using scalable feedback

#77
20140266471
2014-09-18

Programmable frequency divider for local oscillator generation

#78
20140210562
2014-07-31

Single ended ring oscillator with fully differential signal

#79
20140132360
2014-05-15

Integrated circuit with ring oscillator

#80
20140091847
2014-04-03

Differential delay line, ring oscillator and mobile communication device

#81
20140055204
2014-02-27

Differential ring oscillation circuit, device, and oscillation control method

#82
20140049329
2014-02-20

Divider-less phase locked loop (PLL)

#83
20140049328
2014-02-20

Ring oscillator timer circuit

#84
20140043105
2014-02-13

Integrated circuit having a multiplying injection-locked oscillator

#85
20140002206
2014-01-02

Circuit reducing phase noise of oscillator

#86
20130300511
2013-11-14

Voltage controlled oscillator

#87
20130300476
2013-11-14

Low noise and low power voltage controlled oscillators

#88
20130229238
2013-09-05

Low voltage, wide frequency range oscillator

#89
20130207734
2013-08-15

Electronic circuitry

#90
20130194047
2013-08-01

Clock distributor and electronic device

#91
20130194043
2013-08-01

Low-power voltage-controlled oscillator

#92
20130162357
2013-06-27

Oscillator with highly-adjustable bang-bang control

#93
20130162310
2013-06-27

Clock generator with integrated phase offset programmability

#94
20130113574
2013-05-09

Oscillating device

#95
20130057352
2013-03-07

Oscillators and clock generation

#96
20130038350
2013-02-14

Single-to-differential conversion circuit and method

#97
20130027139
2013-01-31

Ring oscillator based voltage control oscillator having low-jitter and wide bandwidth

#98
20130019324
2013-01-17

Embedded ring oscillator network for integrated circuit security and threat detection

#99
20130015894
2013-01-17

Differential ring oscillator-type voltage control oscillator

#100
20130009718
2013-01-10

Oscillating signal generating apparatus and control signal generator of the oscillating signal generating apparatus

#101
20130009670
2013-01-10

Signal operating circuit

#102
20120286887
2012-11-15

Phase locked loop circuit having a voltage controlled oscillator with improved bandwidth

#103
20120286882
2012-11-15

Electronic circuitry

#104
20120268178
2012-10-25

Fully differential adaptive bandwidth PLL with differential supply regulation

#105
20120161886
2012-06-28

Voltage controlled oscillator

#106
20120139587
2012-06-07

Frequency synthesiser

#107
20120119836
2012-05-17

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

#108
20120098605
2012-04-26

Feed-forward ring oscillator

#109
20120098604
2012-04-26

RING OSCILLATOR AND CONTROL METHOD OF RING OSCILLATOR

#110
20120075025
2012-03-29

OSCILLATING CIRCUIT

#111
20120008713
2012-01-12

Hybrid data transmission circuit

#112
20110316597
2011-12-29

Signal generator with output frequency greater than the oscillator frequency

#113
20110309886
2011-12-22

DIGITALLY CONTROLLED OSCILLATORS

#114
20110309885
2011-12-22

Delay circuit for low power ring oscillator

#115
20110298549
2011-12-08

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

#116
20110210798
2011-09-01

Ring oscillator for providing constant oscillation frequency

#117
20110210776
2011-09-01

Clock integrated circuit

#118
20110204943
2011-08-25

Delay cell and phase locked loop using the same

#119
20110181332
2011-07-28

Ring oscillator for generating oscillating clock signal

#120
20110133804
2011-06-09

Clock integrated circuit

#121
20110037502
2011-02-17

Digital high-frequency generator circuit

#122
20100301951
2010-12-02

CURRENT CONTROLLED RING OSCILLATOR AND METHOD FOR CONTROLLING THE SAME

#123
20100253439
2010-10-07

Electronic circuitry

#124
20100237952
2010-09-23

Current controlled oscillator with regulated symmetric loads

#125
20100225366
2010-09-09

Signal generator with output frequency greater than the oscillator frequency

#126
20100214033
2010-08-26

Low voltage oscillator for medical devices

#127
20100214032
2010-08-26

Symmetric load delay cell oscillator

#128
20100201418
2010-08-12

Variable-length digitally-controlled delay chain with interpolation-based tuning

#129
20100176888
2010-07-15

Voltage-controlled oscillator, frequency synthesizer, and oscillation frequency control method

#130
20100171558
2010-07-08

Oscillator for providing a constant oscillation signal, and a signal processing device including the oscillator

#131
20100164637
2010-07-01

Oscillation circuit

#132
20100156544
2010-06-24

Ring oscillator having wide frequency range

#133
20100134170
2010-06-03

Delay cell of ring oscillator and associated method

#134
20100060332
2010-03-11

Semiconductor integrated circuit

#135
20100007287
2010-01-14

Multi-channel driving circuit and driving method thereof

#136
20090322435
2009-12-31

Digitally controlled oscillators

#137
20090322394
2009-12-31

RING OSCILLATOR AND MULTI-PHASE CLOCK CORRECTION CIRCUIT USING THE SAME

#138
20090309638
2009-12-17

Variable-length digitally-controlled delay chain with interpolation-based tuning

#139
20090302828
2009-12-10

Oscillating system and assistant measuring circuit for oscillator

#140
20090289673
2009-11-26

Voltage controlled oscillators and phase-frequency locked loop circuit using the same

#141
20090273407
2009-11-05

Voltage controlled oscillator having a bandwidth adjusted amplitude control loop

#142
20090261909
2009-10-22

Voltage-controlled oscillator including plurality of delay cells

#143
20090231048
2009-09-17

Bias circuit to stabilize oscillation in ring oscillator, oscillator, and method to stabilize oscillation in ring oscillator

#144
20090206936
2009-08-20

Voltage-controlled oscillator topology

#145
20090167446
2009-07-02

Phased locked loop circuit including voltage controlled ring oscillator

#146
20090146735
2009-06-11

Switched capacitor resonator and sigma-delta modulator using the same

#147
20090066409
2009-03-12

Bias circuit and voltage-controlled oscillator

#148
20090033431
2009-02-05

Oscillation Circuit

#149
20090033430
2009-02-05

Injection-locked frequency divider

#150
20090015340
2009-01-15

Phase controlled oscillator circuit with input signal coupler

#151
20090002084
2009-01-01

Oscillator

#152
20080315966
2008-12-25

Oscillator

#153
20080258823
2008-10-23

Self-compensating voltage-controlled oscillator

#154
20080252387
2008-10-16

OSCILLATOR

#155
20080252386
2008-10-16

Quadrature-phase voltage controlled oscillator

#156
20080238502
2008-10-02

Delay cell and phase locked loop using the same

#157
20080231382
2008-09-25

Split-biased interpolated voltage-controlled oscillator and phase locked loop

#158
20080231376
2008-09-25

Oscillation circuit controlling phase difference of output signals

#159
20080211590
2008-09-04

METHOD AND SYSTEM FOR A VARACTOR-TUNED VOLTAGE-CONTROLLED RING OSCILLATOR WITH FREQUENCY AND AMPLITUDE CALIBRATION

#160
20080197932
2008-08-21

Voltage controlled oscillator

#161
20080157878
2008-07-03

Voltage-controlled oscillator having independent output frequency and amplitude

#162
20080157850
2008-07-03

Compensating quantity-providing circuit, stress-compensating circuit, stress-compensated circuit, apparatus for providing a compensating quantity, method for providing a compensating quantity and ring oscillator

#163
20080129393
2008-06-05

Voltage controlled oscillator

#164
20080122546
2008-05-29

Variable frequency oscillator and communication circuit with it

#165
20080112712
2008-05-15

Bandpass filter circuit, band-elimination filter circuit, infrared signal processing circuit

#166
20080111639
2008-05-15

Device and method for generating a signal with predefined transcient at start-up

#167
20080088379
2008-04-17

Current device and method for phase-locked loop

#168
20080061894
2008-03-13

Differential ring oscillator

#169
20080054966
2008-03-06

Jitter reduction circuit

#170
20080036551
2008-02-14

Voltage controlled oscillator having a bandwidth adjusted amplitude control loop

#171
20070273453
2007-11-29

Low power, temperature and frequency, tunable, on-chip clock generator

#172
20070241826
2007-10-18

Oscillating circuit

#173
20070222530
2007-09-27

Hybrid current-starved phase-interpolation circuit for voltage-controlled devices

#174
20070176695
2007-08-02

Oscillator circuit and test apparatus

#175
20070170987
2007-07-26

Differential-to-single-ended converter and phase-locked loop circuit having the same

#176
20070164831
2007-07-19

Triple-input relaxation oscillator with differential controllability

#177
20070152764
2007-07-05

DELAY UNIT OF VOLTAGE CONTROL OSCILLATOR

#178
20070152763
2007-07-05

Voltage controlled oscillator

#179
20070146010
2007-06-28

Current supply circuit, ring oscillator, nonvolatile semiconductor device and electronic card and electronic device

#180
20070103242
2007-05-10

Voltage controlled oscillator with improved voltage oscillation frequency characteristic

#181
20070090888
2007-04-26

Method and/or apparatus for implementing a voltage controlled ring oscillator having a multi-peak detected amplitude control loop

#182
20070080753
2007-04-12

Voltage controlled oscillator, PLL circuit, pulse modulation signal generating circuit, semiconductor laser modulation device and image forming apparatus

#183
20070046343
2007-03-01

PLL with controlled VCO bias

#184
20070040622
2007-02-22

Differential amplifier for use in ring oscillator

#185
20070030081
2007-02-08

Voltage controlled oscillator with duty correction

#186
20070018738
2007-01-25

Voltage-controlled oscillator circuit and PLL circuit

#187
20070018699
2007-01-25

Partial cascode phase locked loop architecture

#188
20070008043
2007-01-11

Delay cell for voltage controlled oscillator including delay cells connected as a ring oscillator

#189
20060284691
2006-12-21

Delay circuit

#190
20060267700
2006-11-30

Oscillation circuit

#191
20060214742
2006-09-28

Phase controlled oscillator circuit with input signal coupler

#192
20060214739
2006-09-28

Voltage controlled oscillator and delay circuit thereof

#193
20060192623
2006-08-31

Apparatus and method for wide tuning-range ring oscillators

#194
20060181357
2006-08-17

Ring oscillator for calibrating phase error and phase-error calibration method therefor

#195
20060176118
2006-08-10

Oscillator

#196
20060158260
2006-07-20

Device and method for frequency synthesis

#197
20060145773
2006-07-06

Ring-type voltage oscillator with improved duty cycle

#198
20060132244
2006-06-22

Phase locked loop circuit and control method thereof

#199
20060103479
2006-05-18

Oscillator delay stage with active inductor

#200
20060097805
2006-05-11

Temperature compensation for a voltage-controlled oscillator

#201
20060097803
2006-05-11

Electronic circuitry

#202
20060097802
2006-05-11

SRAM ring oscillator

#203
20060089114
2006-04-27

Receiver architectures utilizing coarse analog tuning and associated methods

#204
20060082418
2006-04-20

Electronic circuitry

#205
20060076997
2006-04-13

Spread spectrum clock generating apparatus

#206
20060071722
2006-04-06

Delay interpolation in a ring oscillator delay stage

#207
20060055472
2006-03-16

Phase shifting coupling technique for multi-phase LC tank based oscillators

#208
20060049879
2006-03-09

Multiphase voltage controlled oscillator

#209
20060033591
2006-02-16

Voltage-controlled oscillators with controlled operating range and related bias circuits and methods

#210
20060025094
2006-02-02

Frequency modulator apparatus of phase selection type, and frequency synthesizer of phase selection type

#211
20060022760
2006-02-02

Current-controlled oscillator

#212
20060001496
2006-01-05

Array oscillator and polyphase clock generator

#213
20050275468
2005-12-15

Oscillator circuit with regulated V-I output stage

#214
20050258909
2005-11-24

Oscillator that oscillates signals of a predetermined frequency

#215
20050253659
2005-11-17

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

#216
20050253641
2005-11-17

Circuit with at least one delay cell

#217
20050248410
2005-11-10

Injection-locked frequency divider and frequency dividing method thereof

#218
20050237122
2005-10-27

Cross coupled voltage controlled oscillator

#219
20050231291
2005-10-20

Phase controlled oscillator circuit with input signal coupler

#220
20050225401
2005-10-13

Oscillator with improved parameters variation tolerance

#221
20050206426
2005-09-22

Integrated circuit systems and devices having high precision digital delay lines therein

#222
20050156678
2005-07-21

Voltage control oscillator

#223
20050128011
2005-06-16

Ring oscillator circuit

#224
20050117404
2005-06-02

Linear half-rate phase detector and clock and data recovery circuit

#225
20050116758
2005-06-02

Wide frequency range voltage-controlled oscillators (VCO)

#226
20050116757
2005-06-02

Voltage controlled oscillator delay cell

#227
20050110583
2005-05-26

Reference voltage generator for logic elements providing stable and predefined gate propagation time

#228
20050110579
2005-05-26

Generating an oscillating signal according to a control current

#229
20050110552
2005-05-26

Generating adjustable-delay clock signal for processing color signals

#230
20050104673
2005-05-19

Semiconductor integrated circuit

#231
20050088245
2005-04-28

Current supply circuit, ring oscillator, nonvolatile semiconductor device and electronic card and electronic device

#232
20050083144
2005-04-21

Adjustable voltage control oscillator

#233
20050068114
2005-03-31

High noise rejection voltage-controlled ring oscillator architecture

#234
20050057316
2005-03-17

Hyper-ring oscillator

#235
20050057315
2005-03-17

Ring oscillator with peaking stages

#236
20050046497
2005-03-03

Synchronous clock generation circuit capable of ensuring wide lock-in range and attaining lower jitter

#237
20050046495
2005-03-03

Replica cell for ring oscillator

#238
20050040898
2005-02-24

Method and system for adjusting a frequency range of a delay cell of a VCO

#239
20050035823
2005-02-17

Source-injection parallel coupled LC-quadrature voltage controlled oscillator

#240
20050024158
2005-02-03

Voltage controlled oscillator programmable delay cells

#241
20050007173
2005-01-13

Voltage controlled oscillator delay cell

#242
20050001665
2005-01-06

Method for multiple-phase splitting by phase interpolation and circuit the same

#243
18743864
2025-09-30

Circuitry and method thereof

#244
17834897
2023-07-18

Voltage controlled oscillator power supply noise rejection

#245
17540985
2023-01-03

Ring oscillator-based Ising machine system

#246
16730474
2020-10-27

Feedback stabilized ring oscillator

#247
16537704
2020-10-06

High-speed high-resolution digitally-controlled oscillator and method thereof

#248
16024473
2020-01-14

Ultra-low-power injection locked oscillator for IQ clock generation

#249
15853152
2019-11-05

Stabilizing the startup behavior of ring oscillators

#250
15819124
2019-08-27

Multi-ring coupled ring oscillator with improved phase noise