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If we use external clocks for both the Pattern Generator and Error Detector parts, can we run them at different data rates?
It would be more straight-forward to provide the PG (TX) with a 10 GHz clock (for 10 Gb/s data) and then use the 1:4 demux and provide the ED (RX) with a 2.5 GHz clock (measuring 2.5 Gb/s data). Click on the question for additional information.

FAQ 2017-06-28

What is the raw jitter tolerance for the N4960A/N4952A?
There is no CDR in the N4960A, so by itself, the JTOL plot will be a flat line somewhere below 1 UI. An external CDR can be used. Click on the question for additional information.

FAQ 2017-06-28

How do I measure Bit Error Rate (BER) to a given confidence level on N490xA/B Serial BERTs?

FAQ 2012-12-12

How long a user pattern can we make on the N4901/2/6B?
The N4901/2/6B can store user patterns with a maximum length of 32 Mb...

FAQ 2008-10-31

What is the “Output Window” selection in the Utility menu on the N4901/2/6B?
Selecting “Output Window” displays SCPI commands while you control the GUI of N4901/2/6B.

FAQ 2008-10-31