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Qaagi - Book of Why

Causes

Effects

phase noise.[1][2(passive) is caused byClock jitter

phase noise,[3][4(passive) is caused byClock jitter

a noise eventmay causea clock jitter

errorsresultingfrom clock jitter

Less jitter , better audio Transmission via HDMIcan causeclock jitter

power supply noise in one buffer stage(passive) caused byclock jitter

any high frequency noise on the VDD pinsto resultin clock jitter

power source noise , or the like(passive) caused byclock jitter

extraneous noise sources such as EMI(passive) caused byclock jitter

power supply noise in a LSI ( Large - Scale Integrated circuit(passive) caused byclock jitter

a thermal noise , which is produced in the analog system including the D / A converter and the A / D converter , and other external disturbance(passive) caused bya clock jitter

the cable endscausesclock jitter

long cable(passive) caused byclock jitter

power supply and ground glitchescan contributeto clock jitter

the phase error signal(passive) caused byclock jitter

Although the propagation delay to the clock tree circuit 140 and through the clock tree circuit 140 is modeled by the feedback model delay 120 , the actual propagation delay due to the signal line may vary under changing operating conditions , thusresultingin clock jitter

1 / f noise and shot noise ... additional current componentscontributeto clock jitter

The theoretical limit on SNRresultingfrom clock jitter

PVT ( i.e. , process , voltage , temperature ) changes than PLL circuits(passive) caused byclock jitter

However , due to the above phenomenon , when the data signal data of the phase - locked loop has a phase lagging behind the clock signal CKvco , an obvious variation of Vd will be generatedleadsto clock jitter

to support the JESD204B serial interface standard for connecting high - speed data converters and field - programmable gate arrays(passive) are designedClock jitter attenuators

a lack of synchronization between the system clocks(passive) is caused byClock jitter

a lack of synchronization between three clocks : the system clock , video clock and audio clock(passive) is caused byClock jitter

a lack of synchronization between the three playback clocks : the system clock , video clock and audio clock(passive) is caused byClock jitter

will appear at the wrong timescausingclock jitter

pressure on cycle - to - cycle DVDleadsto clock jitter

The spectral frequencies are undesirablemay contributeto clock jitter

This irregular timingcausesjitter of I2S clock

varying operating conditions , such as varying power , voltage , and temperature(passive) may also be caused byClock jitter

using clocks derived from dividing the master local clock signal(passive) caused byclock jitter

Instability in the bias generatorwill resultin clock jitter

The large changes in delayscan causeclock jitter

The spectral components are undesirablemay contributeto clock jitter

the “ cycle start ” signalresultingin clock jitter

the superposition of other noisy signals onto the clock through various crosstalk mechanisms(passive) is caused byClock jitter

typically(passive) is ... causedClock jitter

small fluctuations or variations in the delay times of the delay stages found in adjustable delay lines , such as in the DLL 110 and the DCC circuit 120(passive) can be caused byClock jitter

Frequency changealso createsclock jitter

the accuracy of the timing and waveform of the master clock oscillator(passive) is caused byClock jitter

an unstable clock frequency(passive) caused byClock jitter

the noise components(passive) caused bythe noise components

andthe additional noise(passive) caused byandthe additional noise

the distortion effects(passive) caused bythe distortion effects

an additional noise floor on the output signalcausesan additional noise floor on the output signal

the digital signal distortion(passive) caused bythe digital signal distortion

out - of - band quantization noise to spread into the signal bandcausesout - of - band quantization noise to spread into the signal band

uncertainty in the sampling point , which results in noise at the ADC outputcausesuncertainty in the sampling point , which results in noise at the ADC output

data reliability problemsmay causedata reliability problems

the error in sampling voltage(passive) caused bythe error in sampling voltage

errors in soundcauseserrors in sound

bit - errors between componentsis causingbit - errors between components

if a VCO of a PLL clock generator driving an analog clock were to vary in frequency ... could result in an undesirable noise - equivalent in sampled - data circuitrywould resultif a VCO of a PLL clock generator driving an analog clock were to vary in frequency ... could result in an undesirable noise - equivalent in sampled - data circuitry

lots of software problemscan causelots of software problems

Data setup violation(passive) caused byData setup violation

random phase errors in the equivalent sampling pulse train ... resulting in irregular spurs in the frequency domain [ 6causesrandom phase errors in the equivalent sampling pulse train ... resulting in irregular spurs in the frequency domain [ 6

errors in data generated by analog - to - digital and digital - to - analog converters(passive) caused byerrors in data generated by analog - to - digital and digital - to - analog converters

audio problems - undefined transientscausingaudio problems - undefined transients

data or double fetch of data(passive) caused bydata or double fetch of data

data to become corrupted or lostcan causedata to become corrupted or lost

some time base error in digitizing a perfectly stable input signalcreatessome time base error in digitizing a perfectly stable input signal

a number of undesired effects on the system , such as data corruption and AC timing violationscan causea number of undesired effects on the system , such as data corruption and AC timing violations

from phase shift or other variations in the clock used to transport bits over some underlying transmission mediaresultsfrom phase shift or other variations in the clock used to transport bits over some underlying transmission media

small timing variations in the mass scans ... and the effect of these small timing variations to the resultant mass spectrum can become significant as the output of the detector 25 for many different mass scans is summedmay causesmall timing variations in the mass scans ... and the effect of these small timing variations to the resultant mass spectrum can become significant as the output of the detector 25 for many different mass scans is summed

glitches(passive) caused byglitches

issuescould causeissues

the asynchrony(passive) caused bythe asynchrony

Timing uncertainties in decoding received signals(passive) can be caused byTiming uncertainties in decoding received signals

failure(passive) caused byfailure

time violation(passive) caused bytime violation

in erroneous operation in high speed communication systems and/or memory systemscan resultin erroneous operation in high speed communication systems and/or memory systems

a phase lock from occurring ormay preventa phase lock from occurring or

an uncertainty in the precise sampling timecausesan uncertainty in the precise sampling time

in a skewresultsin a skew

incorrect samples of the input waveformwill causeincorrect samples of the input waveform

Inaccuracy(passive) can be caused byInaccuracy

effects similar to wow and fluttercan createeffects similar to wow and flutter

the DAC 's output to change state either early or late , just as with multi - bit DACscausesthe DAC 's output to change state either early or late , just as with multi - bit DACs

rare random frame drops when aggressive frame timeout is configuredcausesrare random frame drops when aggressive frame timeout is configured

from the trackingcan resultfrom the tracking

repeats(passive) caused byrepeats

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