## PTCEC353 Syllabus - Signal Integrity - 2023 Regulation Anna University

PTCEC353

SIGNAL INTEGRITY

L T P C

2 0 2 3

COURSE OBJECTIVES:
• Understand characteristic impedance of transmission line and impedance matching techniques.
• Understand plain signal reflection and cross talk noise in the transmission line, and also explain the mathematical analysis method.
• Understand Eye diagram and related measurement to test quality of Signal
• Learn Jitter analysis and jitter decomposition
• Work with high frequency differential signal and its applications

UNIT I

SIGNAL REFLECTION AND IMPEDANCE MATCHING TECHNIQUE

6

Phenomenon of signal reflection. Signal reflection at transmitting end. Signal reflection at branch point. Multiple reflection in transmission line. Prevention of signal reflection by using impedance matching technique.

UNIT II

CROSSTALK NOISE

6

Crosstalk definition and classification. Crosstalk mechanism. Analysis of crosstalk noise in transmission line. Main factor of causing crosstalk noise.

UNIT III

DIFFERENTIAL SIGNAL TRANSMISSION CIRCUIT

6

Pros and cons of using differential signaling compared with that of single-ended signaling. High-speed differential interfaces. Theory of differential signaling. Differential signal termination techniques.

UNIT IV

FREQUENCY RESPONSE OF A CIRCUIT

6

Frequency response of transmission line and circuit. Inter-symbol interference (ISI) and eye- pattern. Deterioration of a signal waveform due to ISI. Circuit techniques to prevent the deterioration. Linear time-invariant systems. Frequency response of pulse.

UNIT V

EYE DIAGRAM AND JITTER

6

Jitter Definition and Types of Jitter; Jitter decomposition; Eye diagram analysis and related measurement

30 PERIODS

PRACTICAL EXERCISES: 30 PERIODS
1. Generating 1GHz Differential signal from AWG
2. Getting Eye on oscilloscope and conduct various measurement on Eye as well Timing parametric such as rise/fall times, pulse width, and duty cycle Programmable software clock recovery including software PLL.
3. Accurate jitter analysis using the spectral and Q-scale methods for detailed decomposition of jitter components, including the extraction of industry standard dual-dirac model parameters
4. Generate LVDS signal and conduct signal integrity measurement

List of Equipments needed:
• 2Ch 1 GHz Arbitary waveform generator
• 2GHz 4 flex channel scope with automated jitter and eye diagram measurement
• LVDS measurement suite

COURSE OUTCOMES: At the end of this course, the students will be able to:
CO1: Familiarity with High speed design and related issues
CO2: Understanding on critical design aspect
CO3: Know about Jitter and related measurements which is critical for design
CO4: Practical application of high speed differential signals
CO5: Measurement expertise up to industry expectations

TOTAL:60 PERIODS

TEXT BOOKS:
1. Signal and Power integrity Simplified -Eric Bogatin, Pearson, 3rd Edition
2. High Speed Digital Design by Howard Johnson and Martin Graham, Prentice Hall,1st Edition

REFERENCES:
1. High Speed Signal Propagation and Howard Johnson,Prentice Hall,1st Edition