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The Opt 133 converter can be removed from the 1PPS reference path if Paragon-neo is running R11 and later software. |
Paragon-neo requires three compensation figures when testing a PRTC:
1PPS reference compensation accounts for the difference between propagation delays of the simulator RF output to PRTC and simulator 1PPS output to Paragon-neo reference input.
1PPS measurement cable compensation accounts for the propagation delay of the cable between the PRTC 1PPS output and Paragon-neo measurement port.
Ethernet cable compensation accounts for the propagation delay of the cable between the PRTC PTP output and Paragon-neo measurement port.
The next diagram shows a timeline for example test network above. The simulators RF output and 1PPS output are precisely aligned. The upper timeline shows the 1PPS rising edge (top of second) leaving the GNSS Simulator and propagating RF signal propagation from the simulator to the PRTC and the PRTC 1PPS output propagation to Paragon-neo measurement input. The lower timeline shows the 1PPS signal propagation from the simulator to Paragon-neo reference input through cables and the Opt 133 converter.
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