ClassID:

218799

H03B2201/0266 - CPC Classification

Classification description:

Aspects of oscillators relating to varying the frequency of the oscillations; Varying the frequency of the oscillations by electronic means the means being an electronic switch for switching in or out oscillator elements the means comprising a transistor

Recent Application in this class:
#1
20230378911
2023-11-23

Modifiable oscillator circuit for operating modes

#2
20230155551
2023-05-18

Circuit device and oscillator

#3
20220360219
2022-11-10

Radio frequency oscillator

#4
20220294393
2022-09-15

Resonator circuit

#5
20220247354
2022-08-04

Oscillating circuit and electronic device

#6
20210409006
2021-12-30

Waveform generator

#7
20210336583
2021-10-28

Radio frequency oscillator

#8
20210313931
2021-10-07

Resonator circuit

#9
20200366297
2020-11-19

Method and apparatus for calibration of voltage controlled oscillator

#10
20200313617
2020-10-01

Radio frequency oscillator

#11
20200313615
2020-10-01

Magnetically decoupled concentric coils structure for area optimized high performance LC VCOs

#12
20200304068
2020-09-24

Resonator circuit

#13
20200119719
2020-04-16

Positive logic digitally tunable capacitor

#14
20200052647
2020-02-13

Biasing circuit for capacitor switch transistor and method therefore

#15
20200007081
2020-01-02

Dual-mode oscillator and multi-phase oscillator

#16
20190379384
2019-12-12

Voltage-controlled oscillators with ramped voltages

#17
20190319582
2019-10-17

Bandwidth adjustment in a phase-locked loop of a local oscillator

#18
20190245486
2019-08-08

Parallel-based switching inductor device

#19
20190131929
2019-05-02

RC oscillator that uses thermometer codes to select a sub-array and binary codes to select capacitors or resistors within a sub-array for linear and monotonic tuning

#20
20190123687
2019-04-25

Switched capacitor banks

#21
20190103837
2019-04-04

VOLTAGE-CONTROLLED OSCILLATOR AND A METHOD FOR TUNING OSCILLATIONS

#22
20190089304
2019-03-21

Switchable inductor network for wideband circuits

#23
20190006991
2019-01-03

Crystal driver circuit with core amplifier having unbalanced tune capacitors

#24
20180358973
2018-12-13

Semiconductor device and control method of the same

#25
20180351507
2018-12-06

Resonant clock circuit with magnetic shield

#26
20180351506
2018-12-06

Resonant clock circuit with magnetic shield

#27
20180248517
2018-08-30

Oscillator, electronic apparatus, vehicle, and manufacturing method of oscillator

#28
20180198451
2018-07-12

Temperature compensated oscillation controller and temperature compensated crystal oscillator including the same

#29
20180159511
2018-06-07

Positive logic digitally tunable capacitor

#30
20180159471
2018-06-07

Digitally controlled varactor structure for high resolution DCO

#31
20180131323
2018-05-10

Dual-mode oscillator and multi-phase oscillator

#32
20180097521
2018-04-05

Method and apparatus for calibration of voltage controlled oscillator

#33
20170366137
2017-12-21

Resonator circuit

#34
20170324378
2017-11-09

Radio frequency oscillator

#35
20170294915
2017-10-12

Oscillator circuit with reconfigurable oscillator amplifier and/or hybrid amplitude calibration circuit and associated method

#36
20170187329
2017-06-29

Voltage-controlled oscillator and a method for tuning oscillations

#37
20170025998
2017-01-26

Systems and methods for graphene mechanical oscillators with tunable frequencies

#38
20160036382
2016-02-04

Low power wide tuning range oscillator

#39
20150116051
2015-04-30

Ultra low-power high frequency crystal oscillator for real time clock applications

#40
20140320223
2014-10-30

Semiconductor apparatus, oscillation circuit, and signal processing system

#41
20130285729
2013-10-31

Trimming circuit for clock source

#42
20130141177
2013-06-06

Tunable inductor circuit

#43
20130082788
2013-04-04

Low noise oscillator having passive impedance network

#44
20130063219
2013-03-14

Low noise oscillator having switching network

#45
20120286888
2012-11-15

Switched Capacitor Array for Voltage Controlled Oscillator

#46
20120092081
2012-04-19

Tunable resonant circuit in an integrated circuit

#47
20110319036
2011-12-29

Apparatus and method for digitally controlling capacitance

#48
20110148536
2011-06-23

CIRCUIT ARRANGEMENT OF A VOLTAGE CONTROLLED OSCILLATOR

#49
20110109359
2011-05-12

Variable capacitance with delay lock loop

#50
20090140819
2009-06-04

Power monitoring device and methods thereof

#51
20090140817
2009-06-04

Transistor voltage-controlled oscillator and frequency synthesizer having the same

#52
20090079524
2009-03-26

MULTI-BAND TUNABLE RESONANT CIRCUIT

#53
20080309415
2008-12-18

High-frequency oscillator and electronic apparatus

#54
20080297218
2008-12-04

Variable capacitance with delay lock loop

#55
20080129403
2008-06-05

Dual-band voltage controlled oscillator

#56
20080122670
2008-05-29

Precision capacitor array

#57
20080068098
2008-03-20

Vco Device, and Tuner, Broadcast Receiver and Mobile Telephone Using the Same

#58
20070296511
2007-12-27

DIGITAL ADJUSTMENT OF AN OSCILLATOR

#59
20070247237
2007-10-25

Technique for reducing capacitance of a switched capacitor array

#60
20070222527
2007-09-27

Frequency tuning circuit, use of the tuning circuit and method for frequency tuning

#61
20070146088
2007-06-28

OSCILLATION CIRCUIT AND A SEMICONDUCTOR CIRCUIT DEVICE HAVING THE OSCILLATION CIRCUIT

#62
20070132524
2007-06-14

Voltage-controlled oscillator, transmitter, and receiver

#63
20070132522
2007-06-14

Multi-band LC resonance voltage-controlled oscillator with adjustable negative resistance cell

#64
20070057743
2007-03-15

Analog varactor

#65
20070057739
2007-03-15

Capacitor array segmentation

#66
20070040619
2007-02-22

Digitally programmable capacitor array

#67
20070001775
2007-01-04

Voltage controlled oscillator (VCO) tuning

#68
20060255873
2006-11-16

Dual-band oscillator

#69
20060214738
2006-09-28

Clock circuit with programmable load capacitors

#70
20060170511
2006-08-03

Coarse frequency tuning in a voltage controlled oscillator

#71
20060091969
2006-05-04

LC tank clock driver with automatic tuning

#72
20060028283
2006-02-09

Symmetrical linear voltage controlled oscillator

#73
20060028282
2006-02-09

Signal modulated voltage controlled oscillator system

#74
20060028281
2006-02-09

Highly-linear signal-modulated voltage controlled oscillator

#75
20050261797
2005-11-24

Multi-band tunable resonant circuit

#76
20050258901
2005-11-24

System and method for linearizing a CMOS differential pair

#77
20050227627
2005-10-13

Programmable radio transceiver

#78
20050219002
2005-10-06

Tuning an oscillator

#79
20050212614
2005-09-29

Programmable capacitor bank for a voltage controlled oscillator

#80
20050212604
2005-09-29

Programmable radio transceiver

#81
20050190022
2005-09-01

Arrangement with a capacitor which can be connected into a circuit and disconnected therefrom and associated method

#82
20050093639
2005-05-05

Switching circuit and voltage-controlled oscillator including the same

#83
20050083105
2005-04-21

Voltage controlled variable capacitor

#84
20050030108
2005-02-10

Integrated VCO having an improved tuning range over process and temperature variations

#85
20050017814
2005-01-27

High-frequency oscillator

#86
15846854
2018-10-09

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

#87
15177594
2017-08-15

Coupled oscillators

#88
14836759
2016-05-31

Capacitor arrangement for oscillator