ClassID:

171831

G01R31/31709 - CPC Classification

Classification description:

Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere; Testing of electronic circuits, e.g. by signal tracer; Testing of digital circuits; Analysis of signal quality Jitter measurements; Jitter generators

Recent Application in this class:
#1
20260098899
2026-04-09

JITTER INJECTION GENERATOR FOR MEASURING PHASE NOISE AND JITTER TRANSFER FUNCTION

#2
20260063710
2026-03-05

APPARATUS AND METHODS FOR JITTER TESTING OF CLOCK SIGNALS

#3
20260029464
2026-01-29

JITTER SENSOR CIRCUIT

#4
20250362344
2025-11-27

TEST AND/OR MEASUREMENT INSTRUMENT FOR MEASURING AN ELECTRICAL SIGNAL

#5
20250188326
2025-06-12

ADHESIVE COMPOSITION AND METHODS OF FORMING THE SAME

#6
20250155499
2025-05-15

APPARATUSES AND METHODS FOR JITTER MEASUREMENT

#7
20250123327
2025-04-17

JITTER MEASUREMENT CIRCUIT AND JITTER MEASUREMENT METHOD

#8
20250076381
2025-03-06

RECEIVING CIRCUIT IN TEST DEVICE, TEST SYSTEM HAVING THE SAME, AND OPERATING METHOD THEREOF

#9
20250067801
2025-02-27

SUB-SAMPLED BASED INSTRUMENT NOISE CORRECTION FOR JITTER MEASUREMENTS

#10
20250059414
2025-02-20

CLASSIFYING COMPARATORS BASED ON COMPARATOR OFFSETS

#11
20250004014
2025-01-02

MULTIPLE PULSE EXTRACTION FOR TRANSMITTER CALIBRATION

#12
20240369625
2024-11-07

METHOD FOR SEPARATING AND MODELING N-UI JITTER BASED ON SPECTRUM

#13
20240255572
2024-08-01

TEST AND MEASUREMENT INSTRUMENT HAVING TAILORED JITTER COMPENSATION

#14
20240201254
2024-06-20

JITTER MEASURING CIRCUIT, JITTER ANALYZING APPARATUS INCLUDING THE SAME, AND RELATED METHODS OF MANUFACTURING SEMICONDUCTOR DEVICES

#15
20240110963
2024-04-04

PERIODIC JITTER DETERMINATION FOR A PHASE NOISE MEASUREMENT

#16
20240012047
2024-01-11

Inspection device for a semiconductor device

#17
20240003970
2024-01-04

Hybrid solver for integrated circuit diagnostics and testing

#18
20240003969
2024-01-04

On-die clock period jitter and duty cycle analyzer

#19
20230400510
2023-12-14

SYSTEMS AND METHODS FOR ON-CHIP NOISE MEASUREMENTS

#20
20230400494
2023-12-14

Jitter noise detector

#21
20230366928
2023-11-16

Sub-sampled based instrument noise correction for jitter measurements

#22
20230324457
2023-10-12

System and method for receiver equalization and stressed eye testing methodology for DDR5 memory controller

#23
20230258713
2023-08-17

Apparatuses, Methods and Computer Programs for Executing an Executable, andMethod for Distributing Software or Firmwares

#24
20230184828
2023-06-15

Method and Apparatus for Analyzing Phase Noise in a Signal from an Electronic Device

#25
20230099768
2023-03-30

SYSTEMS AND METHODS FOR JITTER INJECTION WITH PRE- AND POST- EMPHASIS CIRCUITS IN AUTOMATIC TESTING EQUIPMENT (ATE)

#26
20230094107
2023-03-30

System testing using partitioned and controlled noise

#27
20230063485
2023-03-02

Method of updating firmware of chip stably and effectively, firmware updating apparatus, and computer readable storage medium applying method

#28
20230040034
2023-02-09

Jitter noise detector

#29
20230008651
2023-01-12

JITTER DETERMINATION METHOD AND MEASUREMENT INSTRUMENT

#30
20230006678
2023-01-05

Circuits and methods to alter a phase speed of an output clock

#31
20220373596
2022-11-24

Data recovery method and measurement instrument

#32
20220299566
2022-09-22

Noise-compensated jitter measurement instrument and methods

#33
20220260634
2022-08-18

Built-in self test circuit for measuring phase noise of a phase locked loop

#34
20220123877
2022-04-21

Jitter self-test using timestamps

#35
20220120810
2022-04-21

Method and apparatus for analyzing phase noise in a signal from an electronic device

#36
20220113352
2022-04-14

Time and frequency domain signal conditioning device for switching noise jitter (SNJ) reduction, and methods of making the same

#37
20220099737
2022-03-31

Electronic circuit for online monitoring a clock signal

#38
20220085824
2022-03-17

Time measurement of a clock-based signal

#39
20220082618
2022-03-17

Systems and methods for testing jitter tolerance

#40
20220082604
2022-03-17

Measuring error in signal under test (SUT) using multiple channel measurement device

#41
20220082603
2022-03-17

Measuring error in signal under test (SUT) using multiple channel measurement device

#42
20220065927
2022-03-03

Instrument noise correction for jitter measurements

#43
20210333811
2021-10-28

Modulating jitter frequency as switching frequency approaches jitter frequency

#44
20210318371
2021-10-14

Integrated circuit having receiver jitter tolerance (“JTOL”) measurement

#45
20210311119
2021-10-07

Temporal jitter analyzer and analyzing temporal jitter

#46
20210278460
2021-09-09

Jitter monitoring circuit

#47
20210176020
2021-06-10

Jitter self-test using timestamps

#48
20210173009
2021-06-10

Built-in self test circuit for measuring phase noise of a phase locked loop

#49
20210156915
2021-05-27

Signal analysis method and measurement instrument

#50
20210072313
2021-03-11

Noise injection circuit

#51
20210072300
2021-03-11

Jitter noise detector

#52
20210036814
2021-02-04

Vehicle control device and control method thereof

#53
20210033670
2021-02-04

Method and apparatus for analyzing phase noise in a signal from an electronic device

#54
20200333396
2020-10-22

System and method for receiver equalization and stressed eye testing methodology for DDR5 memory controller

#55
20200309853
2020-10-01

Jitter monitoring circuit

#56
20200218298
2020-07-09

Modulating jitter frequency as switching frequency approaches jitter frequency

#57
20200217891
2020-07-09

Testing device and testing method for testing a device under test

#58
20200213139
2020-07-02

Classifying comparators based on comparator offsets

#59
20200209307
2020-07-02

Real-time jitter impairment insertion for signal sources

#60
20200208027
2020-07-02

Adhesive composition and methods of forming the same

#61
20200132764
2020-04-30

Built-in self test circuit for measuring phase noise of a phase locked loop

#62
20200124652
2020-04-23

Integrated circuit that injects offsets into recovered clock to simulate presence of jitter in input signal

#63
20200103447
2020-04-02

Millimeter wave active load pull using low frequency phase and amplitude tuning

#64
20200064386
2020-02-27

Measuring error in signal under test (SUT) using multiple channel measurement device

#65
20190377026
2019-12-12

On-chip spread spectrum characterization

#66
20190346504
2019-11-14

Method of measuring clock jitter, clock jitter measurement circuit, and semiconductor devices including the same

#67
20190312573
2019-10-10

Techniques and circuits for time-interleaved injection locked voltage controlled oscillators with jitter accumulation reset

#68
20190204386
2019-07-04

Method and apparatus for analyzing phase noise in a signal from an electronic device

#69
20190170823
2019-06-06

Test apparatus and test method

#70
20190165900
2019-05-30

Variable ISI transmission channel apparatus

#71
20190162783
2019-05-30

Jitter monitoring circuit

#72
20190128962
2019-05-02

Eye pattern generator

#73
20190089364
2019-03-21

Apparatus and method for generating clock signal with low jitter and constant frequency while consuming low power

#74
20190086471
2019-03-21

Techniques and circuits for on-chip jitter and phase noise measurement in a digital test environment

#75
20190068411
2019-02-28

Equalizer for limited intersymbol interference

#76
20190064264
2019-02-28

Circuit arrangement for switching noise jitter (SNJ) reduction in feedback control loop circuits, and methods of making the same

#77
20190041456
2019-02-07

Method of measuring clock jitter, clock jitter measurement circuit, and semiconductor device including the same

#78
20190036633
2019-01-31

Determining ambient noise in a device under test electromagnetic compatibility test environment

#79
20190011943
2019-01-10

Modulating jitter frequency as switching frequency approaches jitter frequency

#80
20190006937
2019-01-03

Time and frequency domain signal conditioning device for switching noise jitter (SNJ) reduction, and methods of making the same

#81
20180372783
2018-12-27

Jitter noise detector

#82
20180364307
2018-12-20

Apparatus for adding jitters to the edges of a pulse sequence

#83
20180359035
2018-12-13

Integrated RF circuit with phase-noise test capability

#84
20180313895
2018-11-01

Jitter measurement circuit and jitter measurement system

#85
20180248661
2018-08-30

Receiver clock test circuitry and related methods and apparatuses

#86
20180074531
2018-03-15

Modulating jitter frequency as switching frequency approaches jitter frequency

#87
20180062883
2018-03-01

C-PHY training pattern for adaptive equalization, adaptive edge tracking and delay calibration

#88
20180052194
2018-02-22

Apparatus and method for controllably injecting jitter into recovered clock to simulate presence of jitter in input signal

#89
20180026737
2018-01-25

Determining ambient noise in a device under test electromagnetic compatibility test environment

#90
20180011142
2018-01-11

Clock jitter measurement circuit and semiconductor device including the same

#91
20170264261
2017-09-14

Phase noise measurement and filtering circuit

#92
20170176522
2017-06-22

Debugging method executed via scan chain for scan test and related circuitry system

#93
20170093534
2017-03-30

Circuit for introducing signal jitter

#94
20170052221
2017-02-23

Integrated circuit having receiver jitter tolerance (“JTOL”) measurement

#95
20170023646
2017-01-26

Tuning a testing apparatus for measuring skew

#96
20170023629
2017-01-26

Tuning a testing apparatus for measuring skew

#97
20160363619
2016-12-15

On-chip apparatus and method for jitter measurement

#98
20160359488
2016-12-08

Jitter control circuit within chip and associated jitter control method

#99
20160344577
2016-11-24

DFE margin test methods and circuits that decouple sample feedback timing

#100
20160315601
2016-10-27

Phase noise measurement and filtering circuit

#101
20160233991
2016-08-11

Receiver clock test circuitry and related methods and apparatuses

#102
20160202300
2016-07-14

Controlling clock measurement with transistors, capacitor, OPAMP, ADC, external enable

#103
20160062388
2016-03-03

Selectable phase or cycle jitter detector

#104
20160033309
2016-02-04

Double quadrature with adaptive phase shift for improved phase reference performance

#105
20150369898
2015-12-24

Phase noise correction system for discrete time signal processing

#106
20150369864
2015-12-24

Sensor data damping

#107
20150332735
2015-11-19

Dynamic control of signaling power based on an error rate

#108
20150180592
2015-06-25

Distortion measurement for limiting jitter in PAM transmitters

#109
20150177751
2015-06-25

Adaptive voltage scaling mechanism based on voltage shoot measurement

#110
20150008940
2015-01-08

Clock jitter and power supply noise analysis

#111
20140306689
2014-10-16

HIGH RESOLUTION CURRENT PULSE ANALOG MEASUREMENT

#112
20140269872
2014-09-18

Receiver circuit, semiconductor integrated circuit, and test method

#113
20140195866
2014-07-10

Determining worst-case bit patterns based upon data-dependent jitter

#114
20140184907
2014-07-03

Method and apparatus for generating jitter-related data

#115
20140146695
2014-05-29

Signal processing apparatus and signal processing method thereof

#116
20140129868
2014-05-08

Selectable phase or cycle jitter detector

#117
20140098843
2014-04-10

Digitally controlled jitter injection for built in self-testing (BIST)

#118
20130332096
2013-12-12

Universal jitter meter and phase noise measurement

#119
20130301691
2013-11-14

On-chip interferers for standards compliant jitter tolerance testing

#120
20130294490
2013-11-07

Receiver clock test circuitry and related methods and apparatuses

#121
20130200923
2013-08-08

Jitter measuring trigger generator, jitter measuring apparatus using the same, method of generating jitter measuring trigger, and method of measuring jitter

#122
20130198252
2013-08-01

Apparatus for determining a number of successive equal bits preceding an edge within a bit stream and apparatus for reconstructing a repetitive bit sequence

#123
20130114955
2013-05-09

Method and system for testing jitter compatibility

#124
20130093433
2013-04-18

Integrated circuit having receiver jitter tolerance (“JTOL”) measurement

#125
20130089169
2013-04-11

Low-power and low-cost adaptive self-linearization system with fast convergence

#126
20130070830
2013-03-21

CHARACTERIZATION OF THE JITTER OF A CLOCK SIGNAL

#127
20120280696
2012-11-08

TEST CHIP AND CHIP TEST SYSTEM USING THE SAME

#128
20120256639
2012-10-11

Apparatus comprising a recursive delayer and method for measuring a phase noise

#129
20120218002
2012-08-30

System and method for on-chip jitter and duty cycle measurement

#130
20120217980
2012-08-30

Test device and test method for measuring a phase noise of a test signal

#131
20120201324
2012-08-09

Variable inter symbol interference generator

#132
20120197570
2012-08-02

Measurement of Parameters Within an Integrated Circuit Chip Using a Nano-Probe

#133
20120189086
2012-07-26

SerDes jitter tolerance BIST in production loopback testing with enhanced spread spectrum clock generation circuit

#134
20120177363
2012-07-12

Optical signal output apparatus, electrical signal output apparatus, and test apparatus

#135
20120158334
2012-06-21

System for independently modifying jitter and noise components in a signal digitizing instrument

#136
20120134403
2012-05-31

Circuit and method for on-chip jitter measurement

#137
20120109568
2012-05-03

Apparatus and method for generating a test signal with emulated crosstalk

#138
20120098571
2012-04-26

Methods and structure for on-chip clock jitter testing and analysis

#139
20120089371
2012-04-12

MEASUREMENT APPARATUS, MEASUREMENT METHOD, TEST APPARATUS AND RECORDING MEDIUM

#140
20110295536
2011-12-01

CLOCK JITTER ANALYZING METHOD AND APPARATUS

#141
20110292987
2011-12-01

Method for decomposing and analyzing jitter using spectral analysis and time-domain probability density

#142
20110268170
2011-11-03

Data signal quality evaluation apparatus

#143
20110235694
2011-09-29

Apparatus and Method for Generating a Waveform Test Signal Having Crest Factor Emulation of Random Jitter

#144
20110231128
2011-09-22

TEST APPARATUS, MEASUREMENT APPARATUS, AND ELECTRONIC DEVICE

#145
20110156933
2011-06-30

Generating a jittered digital signal using a serializer device

#146
20110133973
2011-06-09

Time measurement circuit

#147
20110128055
2011-06-02

DLL for period jitter measurement

#148
20110125437
2011-05-26

Method and device for analyzing the behavior of a power supply in a circuit

#149
20110119536
2011-05-19

Estimating bit error rate performance of signals

#150
20110115482
2011-05-19

Ultrasensitive detection platform for sensing magnetic and/or electrical energy change

#151
20110103451
2011-05-05

System for Independently Modifying Jitter and Noise Components in a Signal Measurement Device

#152
20110096881
2011-04-28

Method and device for clock data recovery

#153
20110085430
2011-04-14

OPTICAL DISC DRIVE, OPTICAL STORAGE MEDIUM, OPTICAL STORAGE MEDIUM INSPECTION APPARATUS, AND OPTICAL STORAGE MEDIUM INSPECTION METHOD

#154
20110068828
2011-03-24

Method and system for correcting error in a PLL generated clock signal using a system clock of lower frequency and/or accuracy

#155
20110050705
2011-03-03

Signal analyzing apparatus

#156
20110035169
2011-02-10

Jitter calculating device, jitter calculating method and jitter calculating program

#157
20110025362
2011-02-03

APPARATUS AND METHOD FOR MEASURING PHASE NOISE/JITTER IN DEVICES UNDER TEST

#158
20100332931
2010-12-30

Method for speeding up serial data tolerance testing

#159
20100318830
2010-12-16

Semiconductor device and data processing system

#160
20100293426
2010-11-18

SYSTEMS AND METHODS FOR A PHASE LOCKED LOOP BUILT IN SELF TEST

#161
20100283480
2010-11-11

TEST APPARATUS, TEST METHOD, AND DEVICE

#162
20100275072
2010-10-28

Correcting apparatus, PDF measurement apparatus, jitter measurement apparatus, jitter separation apparatus, electric device, correcting method, program, and recording medium

#163
20100246655
2010-09-30

Jitter measuring apparatus

#164
20100245100
2010-09-30

Noise suppression techniques in high precision long-term frequency/timing measurements

#165
20100237890
2010-09-23

System that measures characteristics of output signal

#166
20100232489
2010-09-16

Fast SERDES I/O characterization

#167
20100231233
2010-09-16

Systems and methods for built in self test jitter measurement

#168
20100201421
2010-08-12

Jitter generating circuit

#169
20100185407
2010-07-22

Evaluation apparatus, evaluation method, program, recording medium and electronic device

#170
20100171529
2010-07-08

System and method for on-chip jitter and duty cycle measurement

#171
20100158092
2010-06-24

Jitter addition apparatus and test apparatus

#172
20100150218
2010-06-17

Jitter generation apparatus, device test system using the same, and jitter generation method

#173
20100148751
2010-06-17

Noise measurement apparatus and test apparatus

#174
20100141308
2010-06-10

Method and device for clock-data recovery

#175
20100138695
2010-06-03

Signal Integrity Measurement Systems and Methods Using a Predominantly Digital Time-Base Generator

#176
20100107020
2010-04-29

Calculation apparatus, calculation method, program, recording medium, test system and electronic device

#177
20100107009
2010-04-29

DETERMINISTIC COMPONENT MODEL JUDGING APPARATUS, JUDGING METHOD, PROGRAM, RECORDING MEDIUM, TEST SYSTEM AND ELECTRONIC DEVICE

#178
20100097071
2010-04-22

Integrated circuit having receiver jitter tolerance (“JTOL”) measurement

#179
20100090709
2010-04-15

Test apparatus and test method

#180
20100080274
2010-04-01

Jitter measurement apparatus, jitter calculator, jitter measurement method, program, recording medium, communication system and test apparatus

#181
20100072977
2010-03-25

ELECTRONIC DEVICE AND TEST METHOD OF ELECTRONIC DEVICE

#182
20100063761
2010-03-11

Clock Jitter Analysis

#183
20100052726
2010-03-04

Technique for measuring power source noise generated inside integrated circuit

#184
20100030503
2010-02-04

System and circuit for determining data signal jitter via asynchronous sampling

#185
20100026314
2010-02-04

System and method for on-chip jitter injection

#186
20100020861
2010-01-28

DFE Margin Test Methods and Circuits that Decouple Sample and Feedback Timing

#187
20100017157
2010-01-21

SYSTEM, METHOD AND APPARATUS FOR ACCURATE SIGNAL ANALYSIS

#188
20090326845
2009-12-31

Probability density function separating apparatus, probability density function separating method, noise separating apparatus, noise separating method, testing apparatus, testing method, calculating apparatus, calculating method, program, and recording medium

#189
20090312972
2009-12-17

Method and system of testing device sensitivity

#190
20090302906
2009-12-10

Method and apparatus for on-chip phase error measurement to determine jitter in phase-locked loops

#191
20090302905
2009-12-10

Method and apparatus for on-chip phase error measurement to determine jitter in phase-locked loops

#192
20090290624
2009-11-26

Programmable jitter generation circuit

#193
20090281752
2009-11-12

Skew measurement apparatus, skew measurement method, recording media and test apparatus

#194
20090281751
2009-11-12

Jitter measurement apparatus, jitter measurement method, recording media, communication system and test apparatus

#195
20090279405
2009-11-12

Optical disc drive, optical storage medium, optical storage medium inspection apparatus, and optical storage medium inspection method

#196
20090271133
2009-10-29

Clock jitter measurement circuit and integrated circuit having the same

#197
20090261807
2009-10-22

Measurement apparatus and measurement method

#198
20090237072
2009-09-24

Sequential equivalent—time sampling with an asynchronous reference clock

#199
20090219395
2009-09-03

Measurement and Display for Video Peak Jitter with Expected Probability

#200
20090201108
2009-08-13

Switched length match transmission path instrument

#201
20090195525
2009-08-06

Signal generator producing intersymbol interference effects on serial data

#202
20090189667
2009-07-30

Jitter injection circuit, pattern generator, test apparatus, and electronic device

#203
20090189666
2009-07-30

Jitter injection circuit, pattern generator, test apparatus, and electronic device

#204
20090182530
2009-07-16

Noise separating apparatus, noise separating method, probability density function separating apparatus, probability density function separating method, testing apparatus, electronic device, program, and recording medium

#205
20090172609
2009-07-02

Jitter amount estimating method, method for calculating correlation between amount of simultaneously operating signal noise and jitter amount, and recording medium

#206
20090158100
2009-06-18

JITTER APPLYING CIRCUIT AND TEST APPARATUS

#207
20090138761
2009-05-28

System and method for electronic testing of devices

#208
20090138760
2009-05-28

System and method for electronic testing of devices

#209
20090134918
2009-05-28

Jitter generator for generating jittered clock signal

#210
20090132884
2009-05-21

Timing generator and semiconductor testing apparatus

#211
20090132207
2009-05-21

Fast low frequency jitter rejection methodology

#212
20090128134
2009-05-21

SEMICONDUCTOR INTEGRATED CIRCUIT APPARATUS, MEASUREMENT RESULT MANAGEMENT SYSTEM, AND MANAGEMENT SERVER

#213
20090121762
2009-05-14

TIMEBASE VARIATION COMPENSATION IN A MEASUREMENT INSTRUMENT

#214
20090116591
2009-05-07

SPECTRAL DECOMPOSITION OF LARGE SIGNALS IN A NARROW-RANGE SAMPLING SYSTEM

#215
20090112499
2009-04-30

Device for jitter measurement and method thereof

#216
20090105976
2009-04-23

AUTOMATIC JITTER MEASUREMENT METHOD

#217
20090102452
2009-04-23

Circuit and method for on-chip jitter measurement

#218
20090096439
2009-04-16

Built-in jitter measurement circuit

#219
20090088996
2009-04-02

Jitter measuring system and method

#220
20090086873
2009-04-02

Waveform signal generator with jitter or noise on a desired bit

#221
20090079441
2009-03-26

Electronic circuit comprising a device to measure phase noise of an oscillating and/or resonant device

#222
20090079426
2009-03-26

Electromagnetic tracking employing scalar-magnetometer

#223
20090074124
2009-03-19

Determining a time interval based on a first signal, a second signal, and a jitter of the first signal

#224
20090051396
2009-02-26

Ring oscillation circuit, delay time measuring circuit, testing circuit, clock generating circuit, image sensor, pulse generating circuit, semiconductor integrated circuit, and testing method thereof

#225
20090043537
2009-02-12

Probability density function separating apparatus, probability density function separating method, program, testing apparatus, bit error rate measuring apparatus, electronic device, and jitter transfer function measuring apparatus

#226
20090041102
2009-02-12

Jitter injection circuit, electronics device, and test apparatus

#227
20090041101
2009-02-12

Test apparatus

#228
20090039867
2009-02-12

Circuit device and method of measuring clock jitter

#229
20090034665
2009-02-05

Method, system and apparatus for quantifying the contribution of inter-symbol interference jitter on timing skew budget

#230
20080319691
2008-12-25

Periodic jitter (PJ) measurement methodology

#231
20080309385
2008-12-18

Electronic device and method for on chip skew measurement

#232
20080309319
2008-12-18

Electronic device and method for on chip jitter measurement

#233
20080304608
2008-12-11

Test apparatus, and device for calibration

#234
20080303509
2008-12-11

Phase measurement apparatus

#235
20080285636
2008-11-20

Calibrating jitter

#236
20080284477
2008-11-20

On-chip jitter measurement circuit

#237
20080270082
2008-10-30

Low-power and low-cost adaptive self-linearization system with fast convergence

#238
20080267274
2008-10-30

Periodic jitter (PJ) measurement methodology

#239
20080262818
2008-10-23

Creation of clock and data simulation vectors with periodic jitter

#240
20080250366
2008-10-09

Noise checking method and apparatus, and computer-readable recording medium in which noise checking program is stored

#241
20080247451
2008-10-09

MEASUREMENT APPARATUS, MEASUREMENT METHOD, TEST APPARATUS, ELECTRONIC DEVICE, AND RECORDING MEDIUM

#242
20080247290
2008-10-09

Optical storage medium inspection method for determining if an optical storage medium is good or defective

#243
20080240328
2008-10-02

Jitter detection circuit and jitter detection method

#244
20080240212
2008-10-02

Transmitter/receiver device that converts serial and parallel signals and method of testing thereof

#245
20080228426
2008-09-18

Synthesis and generation of arbitrary waveforms with ISI components for jitter tolerance

#246
20080228417
2008-09-18

CHANGING POINT DETECTING CIRCUIT, JITTER MEASURING APPARATUS AND TEST APPARATUS

#247
20080225660
2008-09-18

Optical disc drive, optical storage medium, optical storage medium inspection apparatus, and optical storage medium inspection method

#248
20080224722
2008-09-18

Semiconductor integrated circuit

#249
20080189064
2008-08-07

Probability density function separating apparatus, probability density function separating method, program, testing apparatus, bit error rate measuring apparatus, electronic device, and jitter transfer function measuring apparatus

#250
20080177489
2008-07-24

System and circuit for constructing a synchronous signal diagram from asynchronously sampled data

#251
20080172195
2008-07-17

Semiconductor device, and test circuit and test method for testing semiconductor device

#252
20080172194
2008-07-17

Time interval measuring apparatus and jitter measuring apparatus using the same

#253
20080172193
2008-07-17

Method and apparatus for on-chip phase error measurement to determine jitter in phase-locked loops

#254
20080162060
2008-07-03

Identifying periodic jitter in a signal

#255
20080151981
2008-06-26

Jitter amplifier circuit, signal generation circuit, semiconductor chip, and test apparatus

#256
20080150603
2008-06-26

Signal generation circuit, jitter injection circuit, semiconductor chip and test apparatus

#257
20080143396
2008-06-19

Semiconductor device

#258
20080141101
2008-06-12

Clock jitter detector

#259
20080141090
2008-06-12

Quantized data-dependent jitter injection using discrete samples

#260
20080137498
2008-06-12

Optical disc drive, optical storage medium, optical storage medium inspection apparatus, and optical storage medium inspection method

#261
20080130454
2008-06-05

Optical storage medium inspection apparatus for determining whether an optical storage medium is good or defective

#262
20080130453
2008-06-05

Optical disc drive, optical storage medium, optical storage medium inspection apparatus, and optical storage medium inspection method

#263
20080129562
2008-06-05

Semiconductor Integrated Circuit Having Jitter Measuring Function

#264
20080126010
2008-05-29

Method and apparatus for constructing a synchronous signal diagram from asynchronously sampled data

#265
20080125991
2008-05-29

Jitter frequency determining system

#266
20080123486
2008-05-29

Optical disc drive, optical storage medium, optical storage medium inspection apparatus, and optical storage medium inspection method

#267
20080117960
2008-05-22

Determining frequency components of jitter

#268
20080106324
2008-05-08

Power source noise measuring device, integrated circuit, and semiconductor device

#269
20080098055
2008-04-24

Probability density function separating apparatus, probability density function separating method, testing apparatus, bit error rate measuring apparatus, electronic device, and program

#270
20080092000
2008-04-17

Delay circuit, jitter injection circuit, and test apparatus

#271
20080091371
2008-04-17

Calibration apparatus, calibration method, and testing apparatus

#272
20080088319
2008-04-17

Calibration apparatus, calibration method, and testing apparatus

#273
20080080605
2008-04-03

Transport delay and jitter measurements

#274
20080077357
2008-03-27

NOISE SEPARATING APPARATUS, NOISE SEPARATING METHOD, PROBABILITY DENSITY FUNCTION SEPARATING APPARATUS, PROBABILITY DENSITY FUNCTION SEPARATING METHOD, TESTING APPARATUS, ELECTRONIC DEVICE, PROGRAM, AND RECORDING MEDIUM

#275
20080077342
2008-03-27

Jitter measurement apparatus, jitter measurement method, and recording medium

#276
20080048726
2008-02-28

Signal integrity measurement systems and methods using a predominantly digital time-base generator

#277
20080040089
2008-02-14

Efficient Characterization of High-Speed Circuits

#278
20080025383
2008-01-31

Test circuit, system, and method for testing one or more circuit components arranged upon a common printed circuit board

#279
20080012549
2008-01-17

Circuit and method for on-chip jitter measurement

#280
20080004821
2008-01-03

Determining data signal jitter via asynchronous sampling

#281
20070296440
2007-12-27

Semiconductor integrated circuit apparatus, measurement result management system, and management server

#282
20070277069
2007-11-29

Characterizing jitter sensitivity of a serializer/deserializer circuit

#283
20070271049
2007-11-22

Method and system for measuring band pass filtered phase noise of a repetitive signal

#284
20070250281
2007-10-25

Calibration apparatus, calibration method, testing apparatus, and testing method

#285
20070244656
2007-10-18

Method and apparatus for determining jitter and pulse width from clock signal comparisons

#286
20070239388
2007-10-11

Jitter amplifier, jitter amplification method, electronic device, testing apparatus, and testing method

#287
20070236284
2007-10-11

Calibration apparatus, calibration method, testing apparatus, and testing method

#288
20070236206
2007-10-11

System and method for voltage noise and jitter measurement using time-resolved emission

#289
20070230551
2007-10-04

Jitter measuring circuit

#290
20070229326
2007-10-04

Estimating of the jitter of a clock signal

#291
20070223569
2007-09-27

Digital signal analysis program and waveform display apparatus

#292
20070211795
2007-09-13

Jitter measurement apparatus, electronic device, and test apparatus

#293
20070203659
2007-08-30

Measuring apparatus, measuring method, testing apparatus, testing method, and electronics device

#294
20070201543
2007-08-30

Dynamic phase offset measurement

#295
20070168142
2007-07-19

Jitter detection and reduction

#296
20070162240
2007-07-12

Jitter measurements for repetitive clock signals

#297
20070157057
2007-07-05

Digital jitter detector

#298
20070156360
2007-07-05

Simultaneous display of eye diagram and jitter profile during device characterization

#299
20070150218
2007-06-28

Timing analysis apparatus and method of timing analysis

#300
20070136623
2007-06-14

Memory controller and method for operating a memory controller having an integrated bit error rate circuit