ClassID:

222168

H03L7/0805 - page 2 - CPC Classification

Classification description:

Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop; Details of the phase-locked loop the loop being adapted to provide an additional control signal for use outside the loop

Recent Application in this class:
#301
20070176659
2007-08-02

Duty cycle error calculation circuit for a clock generator having a delay locked loop and duty cycle correction circuit

#302
20070167143
2007-07-19

Receiver and electronic device using the same

#303
20070164884
2007-07-19

Clock pulse generator apparatus with reduced jitter clock phase

#304
20070153950
2007-07-05

Delay circuit with timing adjustment function

#305
20070153126
2007-07-05

Clock generation apparatus

#306
20070149142
2007-06-28

Clock deskewing method, apparatus, and system

#307
20070139088
2007-06-21

High-speed divider with pulse-width control

#308
20070133730
2007-06-14

Apparatus and method for avoiding steady-state oscillations in the generation of clock signals

#309
20070115070
2007-05-24

Apparatus and method for tuning center frequency of a filter

#310
20070115035
2007-05-24

Phase shifter

#311
20070103247
2007-05-10

PLL TRANSIENT RESPONSE CONTROL SYSTEM AND COMMUNICATION SYSTEM

#312
20070103216
2007-05-10

Duty cycle corrector

#313
20070096799
2007-05-03

Complex band-pass filter

#314
20070096787
2007-05-03

Method for improving the timing resolution of DLL controlled delay lines

#315
20070096785
2007-05-03

DLL circuit and test method thereof

#316
20070096784
2007-05-03

Delay locked loop circuit

#317
20070086555
2007-04-19

DLL circuit having two input standard clocks, clock signal generation circuit having the DLL circuit and clock signal generation method

#318
20070085581
2007-04-19

Delayed Locked Loop Circuit

#319
20070081619
2007-04-12

Clock generator and clock recovery circuit utilizing the same

#320
20070081610
2007-04-12

Local oscillator with injection pulling suppression and spurious products filtering

#321
20070080728
2007-04-12

Phase adjustment circuit

#322
20070069783
2007-03-29

Delay locked loop in synchronous semiconductor memory device and driving method thereof

#323
20070069779
2007-03-29

Delay locked loop circuit

#324
20070069778
2007-03-29

Delay locked loop circuit

#325
20070069777
2007-03-29

DLL driver control circuit

#326
20070069773
2007-03-29

Delay locked loop circuit

#327
20070069772
2007-03-29

Delay locked loop circuit

#328
20070063779
2007-03-22

Clock signal generating and distributing apparatus

#329
20070063750
2007-03-22

Timing vernier using a delay locked loop

#330
20070058769
2007-03-15

Pulse generating circuit, electronic device using this pulse generating circuit, cellular phone set, personal computer, and information transmitting method using this circuit

#331
20070057709
2007-03-15

Clock generation circuit and clock generation method

#332
20070040594
2007-02-22

Clock multipliers using filter bias of a phase-locked loop and methods of multiplying a clock

#333
20070038789
2007-02-15

Dynamic bus inversion method and system

#334
20070036020
2007-02-15

Bit-deskewing IO method and system

#335
20070035350
2007-02-15

Circuit arrangement for generating a reference signal

#336
20060291551
2006-12-28

Adaptive equalizer

#337
20060285619
2006-12-21

Digital control oscillator

#338
20060273827
2006-12-07

Systems, apparatuses and methods for synchronizing clock signals

#339
20060232308
2006-10-19

Delay stabilization circuit and semiconductor integrated circuit

#340
20060227631
2006-10-12

Semiconductor memory device with delay section

#341
20060214742
2006-09-28

Phase controlled oscillator circuit with input signal coupler

#342
20060203605
2006-09-14

Multi-phase clock signal generator and method having inherently unlimited frequency capability

#343
20060197565
2006-09-07

Delay locked loop for controlling duty rate of clock

#344
20060192622
2006-08-31

PLL circuit configured to distribute its loop control signal to CDR circuits

#345
20060192601
2006-08-31

Method and apparatus for digital phase generation at high frequencies

#346
20060188051
2006-08-24

Delay locked loop circuitry for clock delay adjustment

#347
20060170472
2006-08-03

Variable delay circuit

#348
20060158274
2006-07-20

Circuits and methods of generating and controlling signals on an integrated circuit

#349
20060140024
2006-06-29

Multi-phase clock signal generator and method having inherently unlimited frequency capability

#350
20060132243
2006-06-22

Semiconductor device and voltage-controlled oscillation circuit

#351
20060132204
2006-06-22

Delay stabilization circuit and semiconductor integrated circuit

#352
20060128342
2006-06-15

Transconductance / C complex band-pass filter

#353
20060120496
2006-06-08

Receiving apparatus

#354
20060120206
2006-06-08

Apparatus for driving output signals from DLL circuit

#355
20060115035
2006-06-01

Clock and data recovery apparatus and method thereof

#356
20060109146
2006-05-25

Digital circuit having delay circuit for adjustment of clock signal timing

#357
20060097762
2006-05-11

Delay locked loop and semiconductor memory device having the same

#358
20060087354
2006-04-27

Circuit having delay locked loop for correcting off chip driver duty distortion

#359
20060077752
2006-04-13

Phase controlled high speed interfaces

#360
20060077297
2006-04-13

Clock generation apparatus

#361
20060067431
2006-03-30

Circuit and method for recovering a carrier

#362
20060066291
2006-03-30

Test circuit for delay lock loops

#363
20060056563
2006-03-16

Method and apparatus for synchronizing clock timing between network elements

#364
20060056491
2006-03-16

Spread spectrum clock generator

#365
20060055441
2006-03-16

Method and apparatus for calibrating a delay line

#366
20060045222
2006-03-02

Optical driver including a multiphase clock generator having a delay locked loop (DLL), optimized for gigahertz frequencies

#367
20060031701
2006-02-09

CMOS burst mode clock data recovery circuit using frequency tracking method

#368
20060028256
2006-02-09

Digital duty cycle corrector for multi-phase clock application

#369
20060022737
2006-02-02

Device for the regulated delay of a clock signal

#370
20060022736
2006-02-02

Device for setting a clock delay

#371
20060017484
2006-01-26

Timing vernier using a delay locked loop

#372
20060017479
2006-01-26

Method and apparatus for digital phase generation at high frequencies

#373
20060007987
2006-01-12

Spread spectrum clock generator

#374
20060001462
2006-01-05

Digital duty cycle corrector

#375
20050286672
2005-12-29

Phase splitter using digital delay locked loops

#376
20050286320
2005-12-29

Jitter and skew suppressing delay control apparatus

#377
20050280476
2005-12-22

Filter control apparatus and filter system

#378
20050280458
2005-12-22

Low power PLL for PWM switching digital control power supply

#379
20050253633
2005-11-17

PLL circuit and frequency setting circuit using the same

#380
20050242871
2005-11-03

Self calibration of continuous-time filters and systems comprising such filters

#381
20050242864
2005-11-03

Semiconductor device, semiconductor system, and digital delay circuit

#382
20050232386
2005-10-20

Synchronization circuit and synchronization method

#383
20050231291
2005-10-20

Phase controlled oscillator circuit with input signal coupler

#384
20050231249
2005-10-20

DLL circuit with delay equal to one clock cycle

#385
20050226102
2005-10-13

Dynamic copy window control for domain expansion reading

#386
20050221746
2005-10-06

Method and apparatus for tenderizing meat

#387
20050211893
2005-09-29

Time of flight system on a chip

#388
20050206419
2005-09-22

Locked loop with dual rail regulation

#389
20050206416
2005-09-22

Locked loop circuit with clock hold function

#390
20050189999
2005-09-01

Integrated electronic circuit comprising a tunable resonator

#391
20050189998
2005-09-01

Integrable phase-locked loop including an acoustic resonator

#392
20050189997
2005-09-01

Integrable amplitude-locked loop including an acoustic resonator

#393
20050189971
2005-09-01

System with dual rail regulated locked loop

#394
20050184810
2005-08-25

PLL circuit

#395
20050179478
2005-08-18

Device to be used in the synchronization of clock pulses, as well as a clock pulse synchronization process

#396
20050175136
2005-08-11

High precision continuous time gC BPF tuning

#397
20050175135
2005-08-11

Delay circuit with timing adjustment function

#398
20050174911
2005-08-11

Delay signal generator and recording pulse generator

#399
20050174199
2005-08-11

Integrable acoustic resonator and method for integrating such resonator

#400
20050168274
2005-08-04

Filter apparatus including slave gm-C filter with frequency characteristics automatically tuned by master circuit

#401
20050140422
2005-06-30

Switched capacitor circuit compensation apparatus and method

#402
20050140416
2005-06-30

Programmable direct interpolating delay locked loop

#403
20050140409
2005-06-30

Speed-locked loop to provide speed information based on die operating conditions

#404
20050122796
2005-06-09

Delayed locked loop in semiconductor memory device and its control method

#405
20050122144
2005-06-09

Timing vernier using a delay locked loop

#406
20050111602
2005-05-26

Timing comparator, data sampling apparatus, and testing apparatus

#407
20050110671
2005-05-26

Dummy delay line based DLL and method for clocking in pipeline ADC

#408
20050110589
2005-05-26

Self-tuning varactor system

#409
20050110548
2005-05-26

Variable delay circuit

#410
20050110544
2005-05-26

Clock recovery circuit and communication device

#411
20050097381
2005-05-05

Clock circuitry on plural integrated circuits

#412
20050073902
2005-04-07

Phase controlled high speed interfaces

#413
20050073369
2005-04-07

Phase-locked loop bandwidth calibration circuit and method thereof

#414
20050069032
2005-03-31

Analog equalizer

#415
20050065745
2005-03-24

Method and apparatus for numeric optimization of the control of a delay-locked loop in a network device

#416
20050062549
2005-03-24

Digital phase-locked loop circuit

#417
20050035800
2005-02-17

Percent-of-clock delay circuits with enhanced phase jitter immunity

#418
20050030433
2005-02-10

Direct conversion tuner capable of receiving digital television signals in UHF band and VHF band

#419
20050030075
2005-02-10

System and method for comparison and compensation of delay variations between fine delay and coarse delay circuits

#420
20050028210
2005-02-03

High frequency signal receiver

#421
20050024151
2005-02-03

Digitally controlled tuner circuit

#422
20050017777
2005-01-27

Clock divider of delay locked loop

#423
20050017774
2005-01-27

Precision closed loop delay line for wide frequency data recovery

#424
20050007157
2005-01-13

Interlaced delay-locked loops for controlling memory-circuit timing

#425
20050003780
2005-01-06

Receiver and its tracking adjusting method

#426
20050001663
2005-01-06

Register controlled delay locked loop with reduced delay locking time

#427
20050001662
2005-01-06

System with phase jumping locked loop circuit

#428
16707365
2020-11-17

Clock alignment system having a dual-loop delay-locked loop

#429
16450083
2020-11-03

Ring oscillator based RC calibration circuit

#430
16356747
2019-12-31

Quadrature delay locked loops

#431
16291069
2019-12-17

Phase-detecting method and circuit for testing a delay locked loop/delay line

#432
16289493
2020-06-09

Phase stabilization for a frequency multiplier

#433
16055505
2019-06-25

Voltage-controlled oscillator and phase locked loop having voltage-controlled oscillator

#434
16000698
2019-05-14

Delta-sigma modulator having expanded fractional input range

#435
15992646
2019-07-09

Programmable digital sigma delta modulator

#436
15992066
2019-10-15

Broadband phase locked loop for multi-band millimeter-wave 5G communication

#437
15786362
2018-10-23

DLL circuit having variable clock divider

#438
15590730
2018-04-10

Circuit and method for compensating noise

#439
15441052
2019-11-05

Inverter-based filter biasing with ring oscillator-based supply regulation

#440
15389520
2018-03-20

Deterministic jitter removal using a closed loop digital-analog mechanism

#441
14976322
2016-07-05

System and method for controlling a phase lock loop

#442
14975388
2016-10-25

Methods and apparatus for synchronizing operations using separate asynchronous signals

#443
14969348
2016-12-27

Techniques for generating clock signals using oscillators

#444
14966881
2016-11-22

Frequency-locked voltage regulated loop

#445
14964327
2017-02-14

System and method to speed up PLL lock time on subsequent calibrations via stored band values

#446
14938741
2017-01-31

Fractional-N phase-locked loop with reduced jitter

#447
14887663
2016-09-06

Integrated circuits having low power, low interference and programmable delay generators therein and methods of operating same

#448
14844447
2016-10-11

Apparatus and methods for using tuning information to adaptively and dynamically modify the parameters of an RF signal chain

#449
14833122
2016-05-10

Buffer circuit for voltage controlled oscillator

#450
14828728
2016-03-15

Time to digital converter with successive approximation architecture

#451
14195010
2015-03-31

Synchronization circuit and semiconductor apparatus using the same

#452
13910016
2015-12-29

System and method for synchronizing local oscillators

#453
13073942
2015-06-23

Superconducting digital phase rotator