Spectracom - Essential Ingenuity

What is the Internal Static Delay between 1PPS Input and 1PPS output for the SAS-17E or SAS-36E?

Question

What is the Internal Static Delay between 1PPS Input and 1PPS output for the SAS-36E & SAS-17E ?

Answer

Important Note: While fixed delay can be compensated for, the problem of input/output delay for signal distribution is the uncertainty in the delay, whether it's on the same port or on different ports.

The internal static delay between 1PPS Input and 1PPS output < 40ns
More information:
  • Typical delay between input and output = 35 ns
  • Standard deviation for delay, on same output port : 200 ps
  • Standard deviation for delay, on different output ports (port to port delay variation) : 500ps


Here is a report of testing on a typical unit (see attached file).

Related Attachment

SAS36E-TEST REPORT_1PPS_VARATION.pdf

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