What is Jitter ?

What is the criteria for Jitter Measurement (Metrics for Jitter) ?

• Absolute Jitter
• Period Jitter
• Cycle to Cycle Jitter
• Long Term Jitter

What kind of equipment is used for Jitter Measurement ?

See http://www.tmworld.com/article/324922-Measure_jitter_three_ways.php

• BER Tester (<= 40 Gbps)
• Equivalent Time Sampling Scope(<= 40 Gbps)
• Jitter Analyzer (Telecomm)(<= 10 Gbps)
• Jitter Analyzer (Datacomm)(<= 3 Gbps)
• Real Time Sampling Scope(<= 3 Gbps)