ClassID:

218625

H03B5/1265 - page 2 - 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:
#301
20080068092
2008-03-20

VCO with independently controllable parameters

#302
20080048794
2008-02-28

Transconductance and Current Modulation for Resonant Frequency Control and Selection

#303
20080042768
2008-02-21

Dual-mode voltage-controlled oscillator

#304
20080018407
2008-01-24

Monolithic clock generator and timing/frequency reference

#305
20080012654
2008-01-17

LINEARIZED VARIABLE-CAPACITANCE MODULE AND LC RESONANCE CIRCUIT USING THE SAME

#306
20080007365
2008-01-10

Continuous gain compensation and fast band selection in a multi-standard, multi-frequency synthesizer

#307
20070296511
2007-12-27

DIGITAL ADJUSTMENT OF AN OSCILLATOR

#308
20070268076
2007-11-22

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

#309
20070247238
2007-10-25

Apparatus and method for phase lock loop gain control

#310
20070247237
2007-10-25

Technique for reducing capacitance of a switched capacitor array

#311
20070205842
2007-09-06

Transconductance and current modulation for resonant frequency control and selection

#312
20070205837
2007-09-06

Monolithic clock generator and timing/frequency reference

#313
20070188255
2007-08-16

Oscillator gain equalization

#314
20070182502
2007-08-09

Push-push voltage controlled oscillator for obtaining differential signals

#315
20070146089
2007-06-28

Oscillator circuit and L load differential circuit achieving a wide oscillation frequency range and low phase noise characteristics

#316
20070146088
2007-06-28

OSCILLATION CIRCUIT AND A SEMICONDUCTOR CIRCUIT DEVICE HAVING THE OSCILLATION CIRCUIT

#317
20070132524
2007-06-14

Voltage-controlled oscillator, transmitter, and receiver

#318
20070132522
2007-06-14

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

#319
20070115069
2007-05-24

Voltage controlled oscillator with full adder

#320
20070103248
2007-05-10

Oscillator and data processing equipment using the same and voltage control oscillator and data processing equipment using voltage control oscillator

#321
20070085620
2007-04-19

Semiconductor integrated circuit device

#322
20070075799
2007-04-05

Dual-band voltage controlled oscillator utilizing switched feedback technology

#323
20070075798
2007-04-05

Voltage control oscillator and voltage control oscillator unit

#324
20070075791
2007-04-05

Variable-capacitance circuit element

#325
20070069329
2007-03-29

Apparatus for reducing parasitic capacitance in a semiconductor device

#326
20070057740
2007-03-15

Quadrature voltage controlled oscillator and wireless transceiver including the same

#327
20070057736
2007-03-15

Feedback system incorporating slow digital switching for glitch-free state changes

#328
20070035346
2007-02-15

Variable impedance circuit using cell arrays

#329
20070030080
2007-02-08

Voltage controlled digital analog oscillator and frequency synthesizer using the same

#330
20070024379
2007-02-01

Low-noise fine-frequency tuning

#331
20070018747
2007-01-25

Apparatus and method for phase lock loop gain control

#332
20070001775
2007-01-04

Voltage controlled oscillator (VCO) tuning

#333
20060290406
2006-12-28

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

#334
20060284689
2006-12-21

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

#335
20060269014
2006-11-30

Oscillator frequency selection

#336
20060261902
2006-11-23

Voltage controlled oscillator and wireless transceiver using the same

#337
20060255865
2006-11-16

Differential switches for voltage controlled oscillator coarse tuning

#338
20060232348
2006-10-19

Inductor unit and oscillator using the inductor unit

#339
20060220757
2006-10-05

Semiconductor integrated circuit for communication

#340
20060208818
2006-09-21

Variable degeneration impedance supply circuit using switch and electronic circuits using the same

#341
20060192598
2006-08-31

Technique for expanding an input signal

#342
20060170511
2006-08-03

Coarse frequency tuning in a voltage controlled oscillator

#343
20060158260
2006-07-20

Device and method for frequency synthesis

#344
20060152293
2006-07-13

Integrated clock generator and timing/frequency reference

#345
20060097797
2006-05-11

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

#346
20060097796
2006-05-11

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

#347
20060091969
2006-05-04

LC tank clock driver with automatic tuning

#348
20060091968
2006-05-04

Method and system for a differential switched capacitor array for a voltage controlled oscillator (VCO) or a local oscillator (LO) buffer

#349
20060071732
2006-04-06

Oscillator circuit and L load differential circuit achieving a wide oscillation frequency range and low phase noise characteristics

#350
20060055481
2006-03-16

Voltage controlled oscillator and semiconductor integrated circuit for communication

#351
20060055470
2006-03-16

Dual-mode voltage controlled oscillator using integrated variable inductors

#352
20060033587
2006-02-16

Coupled-inductor multi-band VCO

#353
20060028283
2006-02-09

Symmetrical linear voltage controlled oscillator

#354
20060028282
2006-02-09

Signal modulated voltage controlled oscillator system

#355
20060028281
2006-02-09

Highly-linear signal-modulated voltage controlled oscillator

#356
20050275478
2005-12-15

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

#357
20050275474
2005-12-15

Voltage controlled oscillator

#358
20050270114
2005-12-08

Voltage control oscillator having modulation function

#359
20050261797
2005-11-24

Multi-band tunable resonant circuit

#360
20050242898
2005-11-03

Precision tunable voltage controlled oscillation and applications thereof

#361
20050237125
2005-10-27

PLL circuit, radio-communication equipment and method of oscillation frequency control

#362
20050231296
2005-10-20

Directly modulated CMOS VCO

#363
20050231295
2005-10-20

Voltage controlled oscillator apparatus

#364
20050227627
2005-10-13

Programmable radio transceiver

#365
20050219002
2005-10-06

Tuning an oscillator

#366
20050218947
2005-10-06

PLL frequency synthesizer circuit and frequency tuning method thereof

#367
20050212614
2005-09-29

Programmable capacitor bank for a voltage controlled oscillator

#368
20050212604
2005-09-29

Programmable radio transceiver

#369
20050206464
2005-09-22

Transconductance and current modulation for resonant frequency control and selection

#370
20050206462
2005-09-22

Monolithic clock generator and timing/frequency reference

#371
20050197085
2005-09-08

Differential voltage control oscillator including radio-frequency switching circuits

#372
20050190022
2005-09-01

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

#373
20050190004
2005-09-01

System and method for tuning output drivers using voltage controlled oscillator capacitor settings

#374
20050190002
2005-09-01

Voltage-controlled oscillator, radio communication apparatus and voltage-controlled oscillation method for reducing degradation of phase noise characteristic

#375
20050174186
2005-08-11

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

#376
20050174184
2005-08-11

Temperature compensated voltage controlled oscillator

#377
20050168297
2005-08-04

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

#378
20050104677
2005-05-19

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

#379
20050083143
2005-04-21

Varactor folding technique for phase noise reduction in electronic oscillators

#380
20050068113
2005-03-31

PLL with swappable tuning loops

#381
20050068112
2005-03-31

PLL with multiple tuning loops

#382
20050068086
2005-03-31

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

#383
20050068084
2005-03-31

Switched capacitor circuit capable of minimizing clock feedthrough effect in a voltage controlled oscillator circuit and method thereof

#384
20050062551
2005-03-24

High-speed, accurate trimming for electronically trimmed VCO

#385
20050045988
2005-03-03

Integrated circuit package having inductance loop formed from a bridge interconnect

#386
17557943
2023-02-14

Feedback oscillator with multiple switched capacitors

#387
17205051
2022-03-22

Tunable oscillator with temperature and power voltage compensation function

#388
17131168
2021-11-02

Wideband voltage-controlled oscillator circuitry

#389
17064378
2021-12-07

Oscillator with inductor and programmable capacitor bank

#390
15947738
2019-07-02

Bias circuit for temperature-compensated varactor

#391
15177594
2017-08-15

Coupled oscillators

#392
15019518
2017-06-06

Controlling a switched capacitor bank in a voltage controlled oscillator for wireless sensor devices

#393
15000840
2017-06-06

Voltage-controlled oscillator with improved tuning curve linearization

#394
14836759
2016-05-31

Capacitor arrangement for oscillator

#395
14803423
2016-10-25

Quadrature voltage controlled oscillator

#396
14571805
2016-04-26

Voltage controlled oscillator including MuGFETS

#397
14486907
2016-12-27

Fractional-N synthesizer VCO coarse tuning

#398
12892049
2016-11-22

Infrastructure-grade integrated voltage controlled oscillator (VCO) with linear tuning characteristics and low phase noise