ClassID:

222170

H03L7/081 - 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 provided with an additional controlled phase shifter

Recent Application in this class:
#301
20090251225
2009-10-08

Fractional and integer PLL architectures

#302
20090207957
2009-08-20

Clock recovery circuit

#303
20090190283
2009-07-30

Predictive phase locked loop system

#304
20090179708
2009-07-16

PHASE LOCK OSCILLATOR AND WIRELESS COMMUNICATIONS DEVICE INCLUDING PHASE LOCK OSCILLATOR

#305
20090167383
2009-07-02

Method for generating a clock frequency

#306
20090153253
2009-06-18

System and method for reducing lock time in a phase-locked loop

#307
20090141774
2009-06-04

SPREAD SPECTRUM CLOCK GENERATOR CAPABLE OF FREQUENCY MODULATION WITH HIGH ACCURACY

#308
20090134923
2009-05-28

Zero-delay buffer with common-mode equalizer for input and feedback differential clocks into a phase-locked loop (PLL)

#309
20090129524
2009-05-21

Spread spectrum clock generators

#310
20090128201
2009-05-21

Clock generators and clock generation methods thereof

#311
20090122937
2009-05-14

Frequency calibration apparatus of frequency synthesizer and frequency calibration method thereof

#312
20090080101
2009-03-26

Signal generator with adjustable frequency

#313
20090072913
2009-03-19

Method and system of jitter compensation

#314
20090058386
2009-03-05

Green technologies: 7less microsystems

#315
20080309420
2008-12-18

Fractional divider

#316
20080304610
2008-12-11

Frequency reacquisition in a clock and data recovery device

#317
20080297265
2008-12-04

4Less-TSOC of XLC, QBXOCK, QBTCXO, QBVCXO, SMLDVR and ANLVCO or 4Free-TSOC of XLC, QBXOCK, QBTCXO, QBVCXO, SMLDVR and ANLKVCO

#318
20080290954
2008-11-27

Fractional-N phase locked loop

#319
20080285375
2008-11-20

SEMICONDUCTOR DEVICE, MODULE INCLUDING THE SEMICONDUCTOR DEVICE, AND SYSTEM INCLUDING THE MODULE

#320
20080269928
2008-10-30

Digital PLL and applications thereof

#321
20080265958
2008-10-30

Method for noise reduction in a phase locked loop and a device having noise reduction capabilities

#322
20080260071
2008-10-23

Methods and apparatus for frequency synthesis with feedback interpolation

#323
20080224789
2008-09-18

Phase locked loop with phase shifted input

#324
20080211589
2008-09-04

Phase locked loop circuit including digital voltage-controlled oscillator, ring oscillator and selector

#325
20080180142
2008-07-31

Phase locked loop with phase rotation for spreading spectrum

#326
20080151117
2008-06-26

HORIZONTAL SYNCHRONOUS CIRCUIT, DISPLAY DEVICE, AND CLOCK ADJUSTING METHOD

#327
20080150597
2008-06-26

APPARATUS AND METHODS FOR CONTROLLING DELAY USING A DELAY UNIT AND A PHASE LOCKED LOOP

#328
20080143396
2008-06-19

Semiconductor device

#329
20080136532
2008-06-12

Phase locked loop with adaptive phase error compensation

#330
20080130397
2008-06-05

Semiconductor memory device having low jitter source synchronous interface and clocking method thereof

#331
20080129343
2008-06-05

Static phase adjust using LC tanks with offset center frequencies

#332
20080111634
2008-05-15

Phase-locked loop capable of dynamically adjusting phase of output signal according to detection result of phase/frequency detector, and method thereof

#333
20080106339
2008-05-08

Frequency agile phase locked loop

#334
20080094145
2008-04-24

Hybrid phase-locked loop

#335
20080089459
2008-04-17

Wide frequency range delay locked loop

#336
20080048740
2008-02-28

METHOD AND APPARATUS FOR GENERATING CLOCK SIGNAL

#337
20080048734
2008-02-28

Methods and apparatus for minimizing jitter in a clock synthesis circuit that uses feedback interpolation

#338
20070297553
2007-12-27

Clock offset compensator

#339
20070279135
2007-12-06

Phase-locked loop bandwidth calibration

#340
20070237277
2007-10-11

Method and Integrated Circuit for Controlling an Oscillator Signal

#341
20070223639
2007-09-27

Phase-locked loop

#342
20070222488
2007-09-27

Adjustable phase controlled clock and data recovery circuit

#343
20070206711
2007-09-06

Method and apparatus for reducing latency in a clock and data recovery (CDR) circuit

#344
20070195637
2007-08-23

Loop filtering for fast PLL locking

#345
20070159260
2007-07-12

PLL frequency generator

#346
20070159213
2007-07-12

Method and apparatus for measuring and compensating for static phase error in phase locked loops

#347
20070152762
2007-07-05

Phase locked loop for controlling a recording device and method thereof

#348
20070149144
2007-06-28

PLL frequency generator

#349
20070149142
2007-06-28

Clock deskewing method, apparatus, and system

#350
20070146014
2007-06-28

Phase interpolator with adaptive delay adjustment

#351
20070140397
2007-06-21

Signal alignment based on data signal

#352
20070121773
2007-05-31

PHASE LOCKED LOOP CIRCUIT

#353
20070110207
2007-05-17

Phase-interpolator based PLL frequency synthesizer

#354
20070096833
2007-05-03

Phase-locked loop and method for operating a phase-locked-loop

#355
20070096789
2007-05-03

Clock signal generation using digital frequency synthesizer

#356
20070072577
2007-03-29

Single chip GSM/EDGE transceiver architecture with closed loop power control

#357
20070072575
2007-03-29

Direct conversion receiver having a subharmonic mixer

#358
20070072556
2007-03-29

Variable gain frequency multiplier

#359
20070058768
2007-03-15

Low jitter clock recovery circuit

#360
20070057709
2007-03-15

Clock generation circuit and clock generation method

#361
20070041486
2007-02-22

Semiconductor device, spread spectrum clock generator and method thereof

#362
20070041483
2007-02-22

Clock recovery circuit

#363
20070018736
2007-01-25

Process-insensitive self-biasing phase locked loop circuit and self-biasing method thereof

#364
20070002990
2007-01-04

Data recovery using data eye tracking

#365
20070001722
2007-01-04

Recovery of client clock without jitter

#366
20060290393
2006-12-28

Clock generating circuit and clock generating method

#367
20060259806
2006-11-16

Self-calibrating time code generator

#368
20060250168
2006-11-09

Highly configurable PLL architecture for programmable logic

#369
20060245531
2006-11-02

Phase-locked loop using multi-phase feedback signals

#370
20060215064
2006-09-28

Method and system for wide-range synchronization to alternating current power signals

#371
20060208813
2006-09-21

Method and apparatus for creating a multiple loop VCO

#372
20060208803
2006-09-21

Phase frequency detector with programmable delay

#373
20060202768
2006-09-14

Phase locked loop comprising a sigma-delta modulator

#374
20060165204
2006-07-27

Method and apparatus for multi-mode clock data recovery

#375
20060164132
2006-07-27

System and method for jitter control

#376
20060159157
2006-07-20

Digital spread spectrum clock signal generation

#377
20060145732
2006-07-06

Fast locking method and apparatus for frequency synthesis

#378
20060139103
2006-06-29

Phase locked loop

#379
20060119405
2006-06-08

PLL circuit

#380
20060114068
2006-06-01

Phase-locked loop circuit

#381
20060076992
2006-04-13

Delay locked loops and methods using ring oscillators

#382
20060071728
2006-04-06

Temperature compensated crystal oscillator

#383
20060071717
2006-04-06

Prescaler for a phase-locked loop circuit

#384
20060055473
2006-03-16

Clock generating circuit

#385
20060041797
2006-02-23

Jitter applying circuit and test apparatus

#386
20060030285
2006-02-09

Frequency synthesizer architecture

#387
20060017511
2006-01-26

Phase locked loop comprising a ΣΔ modulator

#388
20050280473
2005-12-22

Phase locked loop with a modulator

#389
20050271178
2005-12-08

Phase adjusting circuit for minimized irregularities at phase steps

#390
20050248373
2005-11-10

Frequency synthesizer with digital phase selection

#391
20050242851
2005-11-03

Signal generator with selectable mode control

#392
20050213696
2005-09-29

Clock data recovery circuit

#393
20050200390
2005-09-15

Highly configurable PLL architecture for programmable logic

#394
20050140411
2005-06-30

Frequency division/multiplication with jitter minimization

#395
20050135470
2005-06-23

Using clock and data recovery phase adjust to set loop delay of a decision feedback equalizer

#396
20050123087
2005-06-09

Erroneous phase lock detection circuit

#397
20050062505
2005-03-24

Clock generating circuit

#398
20050040876
2005-02-24

Clock generator with one pole and method for generating a clock

#399
20050024155
2005-02-03

Jitter-less phase detector in a clock recovery circuit

#400
20050007204
2005-01-13

High spectral purity microwave oscillator using air-dielectric cavity

#401
18079649
2024-01-16

DPLL timing normalization

#402
17685474
2023-02-28

Apparatus and methods for a phase frequency detector with a wide operational range

#403
17677849
2023-03-14

Comb enhanced oscillator with AM-to-PM noise suppression

#404
17460575
2022-05-24

Molecular clock calibration

#405
17395234
2023-12-12

Tx-Rx synchronization for reflective optoelectronic systems in portable electronic devices

#406
17340914
2022-03-15

Sampling phase-locked loop

#407
17319819
2022-07-12

Methods and apparatus to implement pulse swallowing circuitry in a phase frequency detector

#408
17160835
2022-06-28

System, apparatus and method for mitigating digital interference within radio frequency circuitry

#409
17010110
2020-12-15

Fractional realignment techniques for PLLs

#410
16582266
2020-11-10

Calibration of an interpolative divider using a virtual phase-locked loop

#411
16572660
2020-09-22

Fractional realignment techniques for PLLs

#412
16508495
2020-03-24

Clock generating device and clock generating method

#413
16456195
2019-12-17

Metastable-free output synchronization for multiple-chip systems and the like

#414
16420162
2020-09-29

Scalable, electro-optically induced force system and method

#415
16415162
2020-10-13

Linearized time amplifier architecture for sub-picosecond resolution

#416
16378459
2020-06-02

Multi-ring cross-coupled voltage-controlled oscillator

#417
16299213
2020-07-21

Frequency agile modulator

#418
16138080
2019-12-17

Adaptive jitter and spur adjustment for clock circuits

#419
16101517
2019-10-15

Mechanism for adjusting characteristics of inter-stage circuit to mitigate or reduce DCO pulling effect

#420
15993508
2019-07-09

Circuit for and method of implementing a bursty clock and data recovery circuit using an eyescan detection circuit

#421
15895357
2020-05-19

Phase lock loop circuits and methods including multiplexed selection of feedback loop outputs of multiple phase interpolators

#422
15659502
2018-05-15

Method and device for high-speed sub-picosecond linear clock phase detection

#423
15630106
2018-02-27

Frequency estimation, correction and noise suppression for modems

#424
15198115
2017-11-28

Performance indicator for phase locked loops

#425
15158086
2017-09-12

Pre-synchronizer

#426
15060342
2017-07-04

Low-power phase interpolator with wide-band operation

#427
14549197
2016-02-16

Pre-distortion for a phase interpolator with nonlinearity

#428
14335185
2015-11-17

Clock synchronization

#429
14323680
2015-09-22

Non-disruptive eye scan for data recovery units based on oversampling