[time-nuts] Last notice for live online class, Phase Noise Fundamentals

Gary Giust timenut1704 at jitterlabs.com
Thu Apr 13 11:59:28 EDT 2017

For anyone interested in a fundamentals class on phase noise, I'm 
teaching an online class with live instruction (including video 
recordings in case you miss a class) titled "Phase Noise Fundamentals."


Register with the coupon code TIMENUTS1704 to receive 10% off (coupon is 
only valid for the April class).

If any questions, please call or message me at


Best regards,
Gary Giust

-------- Class syllabus follows ----------


Measures of Quality

Precision. Stability. Accuracy. Crystal oscillators. Drift. Allan 
deviation. Time error. Time interval error (TIE). Wander. Phase Noise.

Phase Noise and Jitter

Digital versus RF. Phase noise versus jitter. Power-law model of phase 
noise. Stability metrics. Sources of phase noise.


Phasor representation. Effect of changing temperature, signal power, and 
carrier frequency on phase noise. Leeson's equation. Amplifiers. Random 
versus spurious phase noise. Spur-detection algorithms. Convert from 
dBc/Hz to seconds RMS, and from dBc to seconds peak-peak. Compute phase 
jitter from phase noise. Select the right offset-frequency range for 
integration. Spur analysis. Determine dominant noise sources.


Spectrum analyzers. IF-filter resolution bandwidth. Phase noise 
analyzers. Eliminating AM. Additive, multiplicative, and residual noise. 
Phase-detector method. PLL with reference-source method. Cross 
correlation to reduce instrument noise floor. Delay-line discriminator 
method. Effect of power supply noise. Measuring differential signals. 
Balun artifacts and how to minimize them. Measurement tradeoffs and best 


Phase-locked Loops (PLLs)

Analog PLL operation and model. Transfer functions. Effect of bandwidth 
on phase noise. Sources of spurious and random phase noise. Impact of 
frequency division, and integer-N versus fractional-N architectures, on 
phase noise.

SERDES Reference Clocks

Anatomy of a serial link. PLL jitter transfer. Receiver observed jitter 
transfer. Reference-clock analysis. Converting phase noise into jitter 
at a given BER.

RF Transceivers (QAM)

Role of LO phase noise in RF up/down conversion. I-Q modulation. 
Constellation diagrams. I-Q demodulation. Phase errors. Phase noise 
budgeting. Effect of phase noise on symbol error rate (SER), and error 
vector magnitude (EVM). Testing.

Analog Data Converters (ADCs)

Operation. Aperture and phase jitter. Signal-to-noise ratio. 
Offset-frequency range for integration. Effect of clock spurs.

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