Patents-Review.com
ClassID:

218753 ⎘

H03B2200/004 - CPC Classification

Classification description:

Indexing scheme relating to details of oscillators covered by; Circuit elements of oscillators including a variable capacitance, e.g. a varicap, a varactor or a variable capacitance of a diode or transistor

Sub-classes:
Recent Application in this class:
#1
20260045907
2026-02-12

VOLTAGE CONTROLLED OSCILLATOR (VCO) CIRCUITS

 #2
20260025101
2026-01-22

MULTI-CORE VCO WITH ROBUST UNWANTED MODE SUPPRESSION AND CIRCULAR COIL TOPOLOGY

 #3
20250343507
2025-11-06

TEMPERATURE COMPENSATION FOR VOLTAGE-CONTROLLED OSCILLATORS

 #4
20250274133
2025-08-28

VOLTAGE CONTROLLED OSCILLATOR AND PHASE LOCKED LOOP INCLUDING THEREOF

 #5
20250244370
2025-07-31

ON-CHIP CAPACITANCE MEASUREMENT METHOD AND APPARATUS

 #6
20250219581
2025-07-03

OSCILLATOR ARRAY COUPLING THROUGH FERROELECTRIC CAPACITORS

 #7
20250023570
2025-01-16

ELECTRONIC CONTROL DEVICE

 #8
20230384357
2023-11-30

On-chip capacitance measurement method and apparatus

 #9
20230378909
2023-11-23

Voltage controlled oscillator for flipped and complementary low noise

 #10
20230308051
2023-09-28

Semiconductor integrated circuit, transmission circuit, and calibration method

 #11
20230186040
2023-06-15

Sensor interface circuit and sensor module

 #12
20230179147
2023-06-08

Voltage-controlled oscillator and method for using the same

 #13
20230155551
2023-05-18

Circuit device and oscillator

 #14
20230131944
2023-04-27

Method of building oscillator frequency adjustment lookup table and associated transceiver

 #15
20230087239
2023-03-23

Drift compensation

 #16
20220345085
2022-10-27

Voltage-controlled oscillator with centertap bias

 #17
20220311382
2022-09-29

Variable capacitor circuit and digitally-controlled oscillator including the same

 #18
20220286086
2022-09-08

Tapped inductor voltage controlled oscillator

 #19
20220246605
2022-08-04

Variable capacitance circuit, circuit device, and oscillator

 #20
20220200528
2022-06-23

Oscillation device and electronic device

 #21
20220149786
2022-05-12

Oscillating signal generator circuit

 #22
20220140785
2022-05-05

Oscillator circuit, oscillator, and method for controlling oscillator circuit

 #23
20220109403
2022-04-07

Oscillating circuit with differential varactor circuits

 #24
20220094302
2022-03-24

Crystal oscillator reducing phase noise and semiconductor chip including the same

 #25
20220057440
2022-02-24

Exceptional points of degeneracy in linear time periodic systems and exceptional sensitivity

 #26
20220021337
2022-01-20

Oscillator circuit

 #27
20210391827
2021-12-16

Semiconductor device, digitally controlled oscillator, and control method of semiconductor device

 #28
20210297044
2021-09-23

Semiconductor device, digitally controlled oscillator, and control method of semiconductor device

 #29
20210265950
2021-08-26

Drift compensation

 #30
20210265947
2021-08-26

Digitally controlled LC oscillator

 #31
20210167727
2021-06-03

Voltage-controlled oscillator

 #32
20210083624
2021-03-18

Voltage controlled oscillator, semiconductor integrated circuit, and transmission and reception device

 #33
20200358399
2020-11-12

Oscillator circuits

 #34
20200274485
2020-08-27

Pullable clock oscillator

 #35
20200252070
2020-08-06

Local oscillator

 #36
20200234864
2020-07-23

High Q-factor inductor

 #37
20200228060
2020-07-16

Class-C oscillator

 #38
20200228059
2020-07-16

LC oscillator driven by a negative resistance element

 #39
20200195259
2020-06-18

LOW JITTER DIGITAL PHASE LOCK LOOP WITH A NUMERICALLY-CONTROLLED BULK ACOUSTIC WAVE OSCILLATOR

 #40
20200044603
2020-02-06

Oscillator circuit

 #41
20200021243
2020-01-16

Oscillator, electronic device, and vehicle

 #42
20190393837
2019-12-26

Gm-boosted differential voltage-controlled oscillator (VCO)

 #43
20190372523
2019-12-05

Tapped inductor voltage controlled oscillator

 #44
20190341886
2019-11-07

Quadrature oscillator

 #45
20190326855
2019-10-24

Circuit device, oscillator, electronic apparatus, and vehicle

 #46
20190319596
2019-10-17

Low voltage inverter-based amplifier

 #47
20190319581
2019-10-17

Oscillating circuit and method for calibrating a resonant frequency of an LC tank of an injection-locked oscillator (ILO) of the oscillating circuit while stopping self-oscillation of the ILO

 #48
20190317189
2019-10-17

Frequency-modulated continuous-wave radar system and frequency tracking method for calibrating frequency gains of a radio frequency signal to approach wideband flatness frequency responses

 #49
20190296690
2019-09-26

Integrated circuit layout for an oscillation module

 #50
20190158021
2019-05-23

TEMPERATURE-COMPENSATED CRYSTAL OSCILLATOR, AND ELECTRONIC DEVICE USING THE SAME

 #51
20190131930
2019-05-02

Oscillator

 #52
20190123687
2019-04-25

Switched capacitor banks

 #53
20190123686
2019-04-25

Inductor current distribution

 #54
20190089303
2019-03-21

Semiconductor device, voltage controlled oscillator, low pass filter, and band pass filter

 #55
20190081595
2019-03-14

VOLTAGE WAVEFORM SHAPING OSCILLATOR

 #56
20190058442
2019-02-21

Oscillator including varactor circuit and method of operation thereof

 #57
20190028059
2019-01-24

Voltage controlled oscillator with tunable inductor and capacitor

 #58
20190006992
2019-01-03

Crystal driver circuit configurable for daisy chaining

 #59
20190006991
2019-01-03

Crystal driver circuit with core amplifier having unbalanced tune capacitors

 #60
20190006990
2019-01-03

Crystal driver circuit with external oscillation signal amplitude control

 #61
20180323316
2018-11-08

Metal oxide semiconductor varactor quality factor enhancement

 #62
20180309407
2018-10-25

Voltage controlled oscillator

 #63
20180269833
2018-09-20

System and method for a dual-core VCO

 #64
20180269830
2018-09-20

Voltage-controlled oscillator and phase locked loop circuit with such voltage-controlled oscillator

 #65
20180254743
2018-09-06

Digital modulating device, frequency doubling modulator thereof and frequency doubler

 #66
20180212593
2018-07-26

Circuit device, real-time clocking device, electronic apparatus, vehicle, and verification method

 #67
20180205344
2018-07-19

Voltage controlled oscillators with wide tuning range and low phase noise

 #68
20180198410
2018-07-12

Controlled muting and power ramping of a voltage-controlled oscillator

 #69
20180145629
2018-05-24

Circuit device, oscillator, electronic apparatus, and vehicle

 #70
20180115279
2018-04-26

VOLTAGE CONTROLLED OSCILLATORS WITH HARMONIC REJECTION

 #71
20180109246
2018-04-19

Systems and methods for transferring power across an isolation barrier

 #72
20180091095
2018-03-29

Pullable clock oscillator

 #73
20180048263
2018-02-15

Apparatus and method for calibrating frequency of oscillator in response to external signal

 #74
20180034412
2018-02-01

Tapped inductor voltage controlled oscillator

 #75
20180026580
2018-01-25

Switched capacitor circuit structure with method of controlling source-drain resistance across same

 #76
20170359097
2017-12-14

Semiconductor device and communication circuit

 #77
20170338772
2017-11-23

LC resonant clock resource minimization using compensation capacitance

 #78
20170330977
2017-11-16

CMOS varactor with increased tuning range

 #79
20170257063
2017-09-07

Voltage-controlled oscillator

 #80
20170250691
2017-08-31

Oven controlled crystal oscillator

 #81
20170201213
2017-07-13

Variable frequency oscillator having wide tuning range and low phase noise

 #82
20170194968
2017-07-06

Circuit device, oscillator, electronic apparatus, and vehicle

 #83
20170194966
2017-07-06

Circuit device, oscillator, electronic apparatus, and vehicle

 #84
20170194907
2017-07-06

Circuit device, oscillator, electronic apparatus, and vehicle

 #85
20170170783
2017-06-15

Coupled inductor-based resonator

 #86
20170117848
2017-04-27

Oscillation module, electronic device, and moving object

 #87
20170085270
2017-03-23

SEMICONDUCTOR DEVICE, RADIO COMMUNICATION APPARATUS, AND CONTROL METHOD FOR SEMICONDUCTOR DEVICE

 #88
20160344342
2016-11-24

Tapped inductor voltage controlled oscillator

 #89
20160285417
2016-09-29

Boosting varactor capacitance ratio

 #90
20160204765
2016-07-14

Forming a frequency control component with a target effective capacitance range

 #91
20150145611
2015-05-28

OSCILLATOR CIRCUIT, OSCILLATOR, ELECTRONIC APPARATUS, AND MOVING OBJECT

 #92
20150116048
2015-04-30

Oscillation circuit, oscillator, manufacturing method of oscillator, electronic device, and moving object

 #93
20150002237
2015-01-01

Structure for an inductor-capacitor voltage-controlled oscillator

 #94
20140191816
2014-07-10

Structure for an inductor-capacitor voltage-controlled oscillator

 #95
20140009237
2014-01-09

Frequency modulator and magnetic resonance tomography system with a frequency modulator

 #96
20130241661
2013-09-19

Voltage-controlled oscillator module and method for generating oscillator signals

 #97
20130009714
2013-01-10

Resistance-capacitance oscillation circuit

 #98
20130009713
2013-01-10

Resistance-capacitance oscillation circuit

 #99
20120262253
2012-10-18

Resonator device

 #100
20120242418
2012-09-27

Voltage-controlled oscillating circuit and crystal oscillator

 #101
20100271086
2010-10-28

Dual-band coupled VCO

 #102
20100085131
2010-04-08

FILTER CIRCUIT AND VOLTAGE-CONTROLLED OSCILLATING CIRCUIT

 #103
20080116981
2008-05-22

Voltage controlled oscillator module with ball grid array resonator

 #104
20080088382
2008-04-17

Voltage controlled oscillator and its control method

 #105
20070120615
2007-05-31

Tunable frequency, low phase noise and low thermal drift oscillator

 #106
20050225404
2005-10-13

Varactor-based ring oscillator

 #107
20050156683
2005-07-21

User-definable thermal drift voltage control oscillator

 #108
20050156675
2005-07-21

Integrated low noise microwave wideband push-push VCO

 #109
20050084053
2005-04-21

Multi-octave band tunable coupled-resonator oscillator

 #110
20050046500
2005-03-03

Tunable frequency, low phase noise and low thermal drift oscillator

 #111
17316759
2022-05-24

Voltage-controlled oscillator of programmable gain

 #112
17132739
2022-03-22

Temperature-controlled and temperature-compensated oscillating device and method thereof

 #113
17031462
2022-01-04

Dual-core dual-resonance compact inductor-capacitor voltage controlled oscillator

 #114
16418709
2020-08-18

Layout for voltage-controlled oscillator (VCO)

 #115
15846854
2018-10-09

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

 #116
15093756
2017-06-13

Electronic apparatus and controlling method

 #117
14836823
2016-07-26

Frequency synthesizers with amplitude control