ClassID:

218625

H03B5/1265 - CPC Classification

Classification description:

Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising switched elements switched capacitors

Recent Application in this class:
#1
20260142619
2026-05-21

Oscillator circuit having phase-noise decreasing mechanism

#2
20260142618
2026-05-21

Oscillator circuit having voltage-withstanding mechanism

#3
20250337357
2025-10-30

PHASE NOISE REDUCTION FOR VOLTAGE-CONTROLLED OSCILLATOR USING HARMONIC FILTER

#4
20250112593
2025-04-03

INDUCTOR-CAPACITOR VOLTAGE-CONTROLLED OSCILLATOR WITH COMMON-MODE NOISE SUPPRESSION

#5
20250047241
2025-02-06

Wideband Voltage-Controlled Oscillator Circuitry

#6
20240364263
2024-10-31

DEVICE AND METHOD FOR SIGNAL SYNTHESIS COMPENSATING THE FREQUENCY OFFSET OF OPEN LOOP

#7
20240305302
2024-09-12

Compensation Technique for the Nonlinear Behavior of Digitally-Controlled Oscillator (DCO) Gain

#8
20240291432
2024-08-29

FREQUENCY MULTIPLIER

#9
20240151844
2024-05-09

Oscillator circuit, corresponding radar sensor, vehicle and method of operation

#10
20240030872
2024-01-25

Crystal oscillator and method for performing startup of crystal oscillator

#11
20240022209
2024-01-18

Wideband voltage-controlled oscillator circuitry

#12
20240014559
2024-01-11

Element having antenna array structure

#13
20230421162
2023-12-28

Frequency selection circuit

#14
20230412125
2023-12-21

Oscillator and signal processing apparatus

#15
20230353092
2023-11-02

SEMICONDUCTOR SWITCHES FOR ANALOG SIGNALS WITH IMPROVED LINEAR RESPONSE

#16
20230318529
2023-10-05

Variable gain power amplifiers

#17
20230198467
2023-06-22

Voltage-controlled oscillator device

#18
20230194694
2023-06-22

Oscillator circuit, corresponding radar sensor, vehicle and method of operation

#19
20230179147
2023-06-08

Voltage-controlled oscillator and method for using the same

#20
20220416720
2022-12-29

Wideband voltage-controlled oscillator circuitry

#21
20220385234
2022-12-01

Voltage controlled oscillator with high Q factor tuning banks

#22
20220385233
2022-12-01

One-coil multi-core inductor-capacitor oscillator

#23
20220360219
2022-11-10

Radio frequency oscillator

#24
20220337255
2022-10-20

Radio-frequency (RF) apparatus for digital frequency synthesizer including sigma-delta modulator and associated methods

#25
20220337254
2022-10-20

Apparatus for digital frequency synthesizer with sigma-delta modulator and associated methods

#26
20220321058
2022-10-06

Mixer circuitry with noise cancellation

#27
20220294456
2022-09-15

Compensation technique for the nonlinear behavior of digitally-controlled oscillator (DCO) gain

#28
20220294393
2022-09-15

Resonator circuit

#29
20220200529
2022-06-23

Wideband Voltage-Controlled Oscillator Circuitry

#30
20220173515
2022-06-02

Element having antenna array structure

#31
20220166381
2022-05-26

Circuit for extended voltage control oscillator gain linearity

#32
20220140787
2022-05-05

Variable gain power amplifiers

#33
20220094304
2022-03-24

Mixer circuitry with noise cancellation

#34
20220043137
2022-02-10

Oscillator circuit, corresponding radar sensor, vehicle and method of operation

#35
20210391827
2021-12-16

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

#36
20210328549
2021-10-21

Oscillator circuit and radio receiver

#37
20210313931
2021-10-07

Resonator circuit

#38
20210305940
2021-09-30

Apparatus, circuits and methods for clock generation

#39
20210265946
2021-08-26

Low power oscillator with digital amplitude control

#40
20210184681
2021-06-17

Compensation technique for the nonlinear behavior of digitally-controlled oscillator (DCO) gain

#41
20210159854
2021-05-27

SWITCHED CAPACITOR ARRANGEMENT FOR TUNING A DIFFERENTIAL CIRCUIT

#42
20210126584
2021-04-29

Variable reactance apparatus for dynamic gain switching of tunable oscillator

#43
20210102985
2021-04-08

Wireless neutral current sensor (WNCS)

#44
20210013833
2021-01-14

Variable gain power amplifiers

#45
20200366297
2020-11-19

Method and apparatus for calibration of voltage controlled oscillator

#46
20200343857
2020-10-29

Differential switchable capacitors for radiofrequency power amplifiers

#47
20200321914
2020-10-08

Semiconductor device and wireless communication apparatus

#48
20200304068
2020-09-24

Resonator circuit

#49
20200280293
2020-09-03

Multi-stage LNA with reduced mutual coupling

#50
20200259496
2020-08-13

Digital control of a voltage controlled oscillator frequency

#51
20200259455
2020-08-13

Harmonic trap for voltage-controlled oscillator noise reduction

#52
20200244271
2020-07-30

Compensation technique for the nonlinear behavior of digitally-controlled oscillator (DCO) gain

#53
20200195261
2020-06-18

Apparatus for digitally controlled oscillators and associated methods

#54
20200195253
2020-06-18

Frequency sweep generator and method

#55
20200186087
2020-06-11

Injection-locked oscillator with variable load impedance

#56
20200144964
2020-05-07

Compensating temperature null characteristics of self-compensated oscillators

#57
20200136628
2020-04-30

Signal generator

#58
20200112286
2020-04-09

Variable gain power amplifiers

#59
20200106387
2020-04-02

Calibrating an injection locked oscillator

#60
20200083857
2020-03-12

Multi-stage LNA with reduced mutual coupling

#61
20200052648
2020-02-13

Switched capacitor arrangement for tuning a differential circuit

#62
20200052647
2020-02-13

Biasing circuit for capacitor switch transistor and method therefore

#63
20200052529
2020-02-13

Resonator and resonating method

#64
20200007081
2020-01-02

Dual-mode oscillator and multi-phase oscillator

#65
20190379384
2019-12-12

Voltage-controlled oscillators with ramped voltages

#66
20190379326
2019-12-12

Differential voltage-controlled (VCO) oscillator

#67
20190319582
2019-10-17

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

#68
20190312581
2019-10-10

Digitally controllable oscillator with high accuracy

#69
20190296751
2019-09-26

Digitally controlled oscillator for a millimeter wave semiconductor device

#70
20190267944
2019-08-29

Clock generator

#71
20190229677
2019-07-25

Semiconductor device and method

#72
20190229676
2019-07-25

Semiconductor integrated circuitry

#73
20190165731
2019-05-30

Method and apparatus for multi-band voltage-controlled oscillator (VCO) band selection

#74
20190165729
2019-05-30

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

#75
20190131930
2019-05-02

Oscillator

#76
20190123687
2019-04-25

Switched capacitor banks

#77
20190123686
2019-04-25

Inductor current distribution

#78
20190103834
2019-04-04

On-chip oscillators including shared inductor

#79
20190068201
2019-02-28

Compensation technique for the nonlinear behavior of digitally-controlled oscillator (DCO) gain

#80
20190020307
2019-01-17

Oscillator and control method

#81
20180367135
2018-12-20

Switched capacitance circuit

#82
20180323316
2018-11-08

Metal oxide semiconductor varactor quality factor enhancement

#83
20180316310
2018-11-01

Dynamically controlling a negative impedance of a voltage controlled oscillator

#84
20180309406
2018-10-25

Wireless communication apparatus and method

#85
20180257511
2018-09-13

Method and apparatus to dissipate recovered energy from a mechanical load within a connected motor during braking

#86
20180226921
2018-08-09

VCO tuning range extension using parasitic diode capacitance control

#87
20180205384
2018-07-19

Voltage controlled oscillator using variable capacitor and phase locked loop using the same

#88
20180205344
2018-07-19

Voltage controlled oscillators with wide tuning range and low phase noise

#89
20180191302
2018-07-05

Chirp generator

#90
20180183442
2018-06-28

Digitally controlled oscillator with temperature compensation

#91
20180175795
2018-06-21

Radio frequency interference mitigation in crystal oscillator circuitry

#92
20180152139
2018-05-31

Oscillator and clock generator

#93
20180133493
2018-05-17

Medical device containing a solid electrolytic capacitor

#94
20180131323
2018-05-10

Dual-mode oscillator and multi-phase oscillator

#95
20180123202
2018-05-03

Balun

#96
20180109246
2018-04-19

Systems and methods for transferring power across an isolation barrier

#97
20180097521
2018-04-05

Method and apparatus for calibration of voltage controlled oscillator

#98
20180083573
2018-03-22

MOS transistor-based RF switch topologies for high speed capacitive tuning of oscillators

#99
20180048264
2018-02-15

Bipolar junction transistor based switched capacitors

#100
20180026580
2018-01-25

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

#101
20170366137
2017-12-21

Resonator circuit

#102
20170331482
2017-11-16

System and method for voltage-controlled oscillator calibration

#103
20170294915
2017-10-12

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

#104
20170288796
2017-10-05

Variable gain power amplifiers

#105
20170288650
2017-10-05

Tank circuit and frequency hopping for isolators

#106
20170257082
2017-09-07

Circuits and methods of synchronizing differential ring-type oscillators

#107
20170257064
2017-09-07

Semiconductor device and method

#108
20170244361
2017-08-24

WIDE-BAND VOLTAGE-CONTROLLED OSCILLATOR (VCO) WITH SWITCHED INDUCTOR CIRCUIT

#109
20170237397
2017-08-17

Oscillator phase noise using active device stacking

#110
20170201215
2017-07-13

Resonator having distributed transconductance elements

#111
20170179883
2017-06-22

Multimode voltage controlled oscillator

#112
20170149289
2017-05-25

Resonator and resonating method

#113
20170126237
2017-05-04

Method and apparatus for calibrating a digitally controlled oscillator

#114
20170099059
2017-04-06

Apparatus and methods for tuning a voltage controlled oscillator

#115
20170077871
2017-03-16

Improving oscillator phase noise using active device stacking

#116
20170063380
2017-03-02

Oscillation circuit, electronic apparatus, and moving object

#117
20170063305
2017-03-02

Oscillation circuit, electronic apparatus, and moving object

#118
20170054412
2017-02-23

Bipolar junction transistor based switched capacitors

#119
20170040943
2017-02-09

Electronic device with capacitor bank linearization and a linearization method

#120
20170005616
2017-01-05

Variable gain power amplifiers

#121
20160373058
2016-12-22

CMOS VCO with implicit common-mode resonance

#122
20160359471
2016-12-08

Variable frequency circuit in attenuator and/or negative voltage generator

#123
20160336945
2016-11-17

Frequency calibration method for a voltage-controlled oscillator

#124
20160315627
2016-10-27

Resonator, phase-locked loop, and semiconductor integrated circuit device

#125
20160285417
2016-09-29

Boosting varactor capacitance ratio

#126
20160226443
2016-08-04

Integrated clock generator and method therefor

#127
20160204765
2016-07-14

Forming a frequency control component with a target effective capacitance range

#128
20160204764
2016-07-14

Boosting varactor capacitance ratio

#129
20160197581
2016-07-07

Digitally controlled oscillator device and high frequency signal processing device

#130
20160164460
2016-06-09

Oscillator regulation circuitry and method

#131
20160156311
2016-06-02

Adjusting the magnitude of a capacitance of a digitally controlled circuit

#132
20160112054
2016-04-21

Device for generating frequency-stable signals with switchable injection-locked oscillator

#133
20160112006
2016-04-21

Digital controlled oscillator and switchable varactor for high frequency low noise operation

#134
20160099720
2016-04-07

Wideband digitally controlled injection-locked oscillator

#135
20160099681
2016-04-07

60 GHz frequency generator incorporating third harmonic boost and extraction

#136
20160099679
2016-04-07

Switching current source radio frequency oscillator

#137
20160079962
2016-03-17

Electronic device with switched-capacitor tuning and related method

#138
20160072463
2016-03-10

Multi-varactor approach for improved VCO gain

#139
20160072436
2016-03-10

Method and apparatus of synchronizing oscillators

#140
20160065227
2016-03-03

Adjusting the magnitude of a capacitance of a digitally controlled circuit

#141
20160065225
2016-03-03

Method for re-centering a VCO, integrated circuit and wireless device

#142
20160065186
2016-03-03

Adjusting the magnitude of a capacitance of a digitally controlled circuit

#143
20160065131
2016-03-03

Integrated circuit comprising a frequency dependent circuit, wireless device and method of adjusting a frequency

#144
20160056827
2016-02-25

Fractional-N frequency synthesizer incorporating cyclic digital-to-time and time-to-digital circuit pair

#145
20160056825
2016-02-25

Fractional-N all digital phase locked loop incorporating look ahead time to digital converter

#146
20160056799
2016-02-25

Split transformer based digitally controlled oscillator and DC-coupled buffer circuit therefor

#147
20160056762
2016-02-25

Split transformer based LC-tank digitally controlled oscillator

#148
20160049906
2016-02-18

Resonator having distributed transconductance elements

#149
20150372643
2015-12-24

Voltage-controlled oscillator with reduced single-ended capacitance

#150
20150349712
2015-12-03

RECONFIGURABLE VARACTOR BANK FOR A VOLTAGE-CONTROLLED OSCILLATOR

#151
20150333736
2015-11-19

Method and circuit for temperature dependence reduction of a RC clock circuit

#152
20150326235
2015-11-12

Capacitive arrangement for frequency synthesizers

#153
20150263702
2015-09-17

Electronic device with switched-capacitor tuning and related method

#154
20150256185
2015-09-10

Circuit, voltage control oscillator, and oscillation frequency control system

#155
20150244320
2015-08-27

Resonator having distributed transconductance elements

#156
20150229318
2015-08-13

Oscillator circuit and frequency synthesizer

#157
20150188491
2015-07-02

System and method for calibrating capacitor-based oscillators in crystal-less devices

#158
20150162923
2015-06-11

Circuits and methods of synchronizing differential ring-type oscillators

#159
20150077193
2015-03-19

Voltage-controlled oscillator, signal generation apparatus, and electronic device

#160
20150028926
2015-01-29

Digitally controlled oscillator device and high frequency signal processing device

#161
20150015346
2015-01-15

Electronic device with switched-capacitor tuning and related method

#162
20150015343
2015-01-15

Devices and methods for reducing noise in digitally controlled oscillators

#163
20150002237
2015-01-01

Structure for an inductor-capacitor voltage-controlled oscillator

#164
20140333350
2014-11-13

Variable frequency circuit controller

#165
20140320215
2014-10-30

Oscillator

#166
20140266481
2014-09-18

Oscillator with primary and secondary LC circuits

#167
20140253256
2014-09-11

Monolithic clock generator and timing/frequency reference

#168
20140218123
2014-08-07

Temperature compensation for oscillator

#169
20140197900
2014-07-17

Systems and methods for impedance switching

#170
20140191816
2014-07-10

Structure for an inductor-capacitor voltage-controlled oscillator

#171
20140184363
2014-07-03

Electronic device with switched-capacitor tuning and related method

#172
20140104007
2014-04-17

Method and apparatus of a resonant oscillator separately driving two independent functions

#173
20140035691
2014-02-06

CAPACITIVE DIVIDER STRUCTURE

#174
20140002204
2014-01-02

DIGITALLY CONTROLLED OSCILLATOR HAVING IMPROVED LINEARITY

#175
20130309983
2013-11-21

Voltage-controlled oscillator with reduced single-ended capacitance

#176
20130307630
2013-11-21

Integrated circuit architecture with strongly coupled LC tanks

#177
20130241754
2013-09-19

Digital-to-analog converter with non-uniform resolution

#178
20130181785
2013-07-18

Device of variable capacitance

#179
20130169373
2013-07-04

Method and Apparatus of Capacitively Coupling an Adjustable Capacitive Circuit in a VCO

#180
20130169368
2013-07-04

Method and apparatus of a resonant oscillator separately driving two independent functions

#181
20130162361
2013-06-27

Oscillator circuit and method for generating an oscillation

#182
20130147566
2013-06-13

Varactor voltage controlled oscillator (VCO) providing independent coarse and fine frequency tuning

#183
20130135057
2013-05-30

Common mode rejection circuit

#184
20130107978
2013-05-02

Split varactor array with improved matching and varactor switching scheme

#185
20130093524
2013-04-18

Digitally controlled oscillator device and high frequency signal processing device

#186
20130093523
2013-04-18

Digitally controlled oscillator device and high frequency signal processing device

#187
20130082788
2013-04-04

Low noise oscillator having passive impedance network

#188
20130063219
2013-03-14

Low noise oscillator having switching network

#189
20130043958
2013-02-21

Digitally controlled oscillator

#190
20130038399
2013-02-14

Oscillation circuit and associated method

#191
20120326797
2012-12-27

VCO utilizing an auxiliary varactor with temperature dependent bias

#192
20120286888
2012-11-15

Switched Capacitor Array for Voltage Controlled Oscillator

#193
20120262238
2012-10-18

PVT consistent PLL incorporating multiple LCVCOs

#194
20120242395
2012-09-27

LOW LOSS SWITCHED CAPACITOR

#195
20120242379
2012-09-27

Variable frequency circuit controller

#196
20120214429
2012-08-23

Interference resistant local oscillator

#197
20120146828
2012-06-14

Digital-to-analog converter with non-uniform resolution

#198
20120142283
2012-06-07

WIRELESS COMMUNICATION APPARATUS

#199
20120112842
2012-05-10

Ultra-compact PLL with wide tuning range and low noise

#200
20120092081
2012-04-19

Tunable resonant circuit in an integrated circuit

#201
20120081188
2012-04-05

Wideband temperature compensated resonator and wideband VCO

#202
20120081155
2012-04-05

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

#203
20120075028
2012-03-29

LC Oscillator

#204
20120049967
2012-03-01

Switched varactor circuit for a voltage controlled oscillator

#205
20120019328
2012-01-26

High frequency signal processing device

#206
20110319036
2011-12-29

Apparatus and method for digitally controlling capacitance

#207
20110309890
2011-12-22

OSCILLATOR AND ELECTRONIC DEVICE

#208
20110286536
2011-11-24

Transmitting apparatus, body-insertable apparatus, and transmitting and receiving system

#209
20110267150
2011-11-03

Automatic frequency control architecture with digital temperature compensation

#210
20110267149
2011-11-03

Switched capacitor circuit for a voltage controlled oscillator

#211
20110221539
2011-09-15

Oscillator with controllable frequency

#212
20110169585
2011-07-14

Monolithic Clock Generator and Timing/Frequency Reference

#213
20110148536
2011-06-23

CIRCUIT ARRANGEMENT OF A VOLTAGE CONTROLLED OSCILLATOR

#214
20110148535
2011-06-23

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

#215
20110148534
2011-06-23

LC voltage-controlled oscillator

#216
20110148530
2011-06-23

Oscillator with capacitance array

#217
20110128062
2011-06-02

Low-noise fine-frequency tuning

#218
20110109396
2011-05-12

Resonance type oscillation circuit and semiconductor device

#219
20110109359
2011-05-12

Variable capacitance with delay lock loop

#220
20110074513
2011-03-31

Dual-band voltage-controlled oscillator arrangement

#221
20110063038
2011-03-17

Ultra-compact PLL with wide tuning range and low noise

#222
20110043294
2011-02-24

DeMOS DCO

#223
20110043293
2011-02-24

DeMOS VCO

#224
20110018642
2011-01-27

Differential varactor circuit for a voltage controlled oscillator

#225
20110006850
2011-01-13

Clock signal distributing device

#226
20100321124
2010-12-23

Configurable wide tuning range oscillator core

#227
20100308932
2010-12-09

Capacitor switching circuit

#228
20100283551
2010-11-11

Overlapping, two-segment capacitor bank for VCO frequency tuning

#229
20100277250
2010-11-04

Voltage controlled oscillator

#230
20100277249
2010-11-04

CARRIER GENERATOR

#231
20100271086
2010-10-28

Dual-band coupled VCO

#232
20100267352
2010-10-21

Local oscillator, receiver, and electronic device

#233
20100264994
2010-10-21

Tunable LC oscillator with common mode voltage adjustment

#234
20100244968
2010-09-30

PLL/FLL with voltage controlled oscillator

#235
20100225407
2010-09-09

Interference resistant local oscillator

#236
20100215123
2010-08-26

Wideband digitally-controlled oscillator (DCO) and digital broadcasting receiver having the same

#237
20100214715
2010-08-26

Variable capacitance unit

#238
20100214031
2010-08-26

Spread spectrum clock generation device

#239
20100171557
2010-07-08

Voltage controlled oscillator, and PLL circuit and wireless communication device each using the same

#240
20100156549
2010-06-24

VOLTAGE CONTROLLED OSCILLATOR

#241
20100134195
2010-06-03

CAPACITOR HAVING VARIABLE CAPACITANCE AND DIGITALLY CONTROLLED OSCILLATOR INCLUDING THE SAME

#242
20100102894
2010-04-29

Digitally controlled oscillator with improved digital frequency calibration

#243
20100090774
2010-04-15

Techniques for providing option conductors to connect components in an oscillator circuit

#244
20100052795
2010-03-04

SEMICONDUCTOR INTEGRATED CIRCUIT

#245
20100033259
2010-02-11

Semiconductor integrated circuit device

#246
20100019856
2010-01-28

Monolithic clock generator and timing/frequency reference

#247
20100019826
2010-01-28

Switched capacitor circuit capable of minimizing clock feedthrough effect and having low phase noise and method thereof

#248
20090322436
2009-12-31

Voltage-controlled oscillator

#249
20090302958
2009-12-10

DIGITALLY CONTROLLED OSCILLATOR AND PHASE LOCKED LOOP CIRCUIT USING THE DIGITALLY CONTROLLED OSCILLATOR

#250
20090295491
2009-12-03

Carrier generator with LC network

#251
20090295488
2009-12-03

Self-calibrated wide range LC tank voltage-controlled oscillator (VCO) system with expanded frequency tuning range and method for providing same

#252
20090289732
2009-11-26

SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE AND FREQUENCY SYNTHESIZER

#253
20090289727
2009-11-26

OSCILLATOR FOR GENERATING DIFFERENT OSCILLATIONS

#254
20090261916
2009-10-22

Programmable filter for LC tank voltage controlled oscillator (VCO), design structure and method thereof

#255
20090256643
2009-10-15

Voltage controlled oscillator, and PLL circuit and radio communication device each including the same

#256
20090251228
2009-10-08

Voltage-controlled variable frequency oscillation circuit and signal processing circuit

#257
20090243743
2009-10-01

VARACTOR BANK SWITCHING BASED ON ANTI-PARALLEL BRANCH CONFIGURATION

#258
20090243741
2009-10-01

METHOD AND SYSTEM FOR PROCESSING SIGNALS VIA AN OSCILLATOR LOAD EMBEDDED IN AN INTEGRATED CIRCUIT (IC) PACKAGE

#259
20090243702
2009-10-01

VARACTOR BANK SWITCHING BASED ON NEGATIVE CONTROL VOLTAGE GENERATION

#260
20090206944
2009-08-20

Method and system for frequency selection using microstrip transceivers for high-speed applications

#261
20090206939
2009-08-20

VCO pre-compensation

#262
20090189704
2009-07-30

Voltage controlled oscillator with multi-tap inductor

#263
20090184777
2009-07-23

Method and apparatus for generating oscillating signals

#264
20090146752
2009-06-11

Clock, frequency reference, and other reference signal generator with a controlled quality factor

#265
20090146750
2009-06-11

Common Mode Controller for a Clock, Frequency Reference, and Other Reference Signal Generator

#266
20090140817
2009-06-04

Transistor voltage-controlled oscillator and frequency synthesizer having the same

#267
20090128240
2009-05-21

OSCILLATOR, PLL CIRCUIT, RECEIVER AND TRANSMITTER

#268
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Voltage Controlled Oscillator

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Apparatus for distributing a signal

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MULTI-BAND TUNABLE RESONANT CIRCUIT

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Voltage-controlled oscillator with control range limiter

#272
20090072875
2009-03-19

Green technologies: the killer application of EMI-free on-chip inductor

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Apparatus and method for phase lock loop gain control using unit current sources

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CMOS cross-coupled differential voltage controlled oscillator

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VCO pre-compensation

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Voltage controlled oscillator (VCO) with simultaneous switching of frequency band, oscillation core and varactor size

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2009-01-08

Varactor Trimming Arrangement

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2009-01-01

Digital controlled oscillator, frequency synthesizer, radio communication apparatus using the same, and control method for the same

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CONTINUOUS GAIN COMPENSATION AND FAST BAND SELECTION IN A MULTI-STANDARD, MULTI-FREQUENCY SYNTHESIZER

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Circuits for forming the inputs of a latch

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Voltage controlled oscillator circuit and a method for configuring a voltage controlled oscillator circuit

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Variable capacitance with delay lock loop

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OSCILLATOR

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Oscillator with multi-tap inductor, capacitors, and negative-Gm stages

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LC-TYPE VCO

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LC voltage controlled oscillator with tunable capacitance unit

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Low-noise fine-frequency tuning

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OSCILLATING APPARATUS HAVING CURRENT COMPENSATING DEVICE FOR PROVIDING COMPENSATING CURRENT TO COMPENSATE FOR CURRENT REDUCTION OF TRANSCONDUCTIVE DEVICE AND METHOD THEREOF

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Method and apparatus for generating oscillating signals

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Voltage-controlled oscillator and method of operating the same

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System and method for an automatic coarse tuning of a voltage controlled oscillator in a phase-locked loop (PLL)

#292
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Voltage controlled oscillator, and PLL circuit and radio communication apparatus using the same

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Switch capacitance and varactor banks applied to voltage controlled oscillator having constant frequency tuning sensitivity

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20080174361
2008-07-24

Apparatus and method for phase lock loop gain control using unit current sources

#295
20080157889
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Voltage Controlled Oscillator for Maintaining Stable Oscillation Frequency Against Fluctuation of Power Supply Voltage

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Voltage controlled oscillator and frequency control method of the voltage controlled oscillator

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Integrated clock generator and timing/frequency reference

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Programmable varactor for VCO gain compensation and phase noise reduction

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High resolution digitally controlled oscillator

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Spread spectrum clock and reference signal generator