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Aid Request: Time/Freq displays & data signals by theanomaly 2005-10-04 10:12:06
For whatever reason, I am stuck on a pair of signals that *should* give the same data stream (they share the same BAUD rate, but not the same bit-rate necessarily). One, I am quite certain, is UPNRZ, and has a given data sequence that makes sense given that assumption. The other defies every other type I have available - MAMI, AMI, Manch, D-Manch, BPNRZ, UPRZ, and it sure ain't 2B1Q. Interpreting that signal using any of the available methods comes out with either a different signal, or a similar signal interrupted by a synchronization error.

I have scans and such I can email. While I cant promise much more than virtual gold (unless you're local and we hook up at a UFie meet), you WILL get that in spades.

Thanks in advance... will check back every 15 or so as I plod through this.
[ Reply ]
  RS232? (Wild guess). (n/t) by Peace_man2005-10-04 10:16:02
    RS232 utilises BPNRZ. (and more information) by theanomaly2005-10-04 10:28:33
      s/ni-polar/bi-polar. Isn't a MontyPython signal :) (n/t) by theanomaly2005-10-04 10:29:28
      I'm afraid I can't help you. by Peace_man2005-10-04 10:32:29
        Not a hope, sorry. Class assignment :) (n/t) by theanomaly2005-10-04 10:44:33
  Rs 485? by Tyop2005-10-04 10:59:20
    Might be, but that is outside the scope. by theanomaly2005-10-04 11:11:18
  Maybe a B8ZS or similar encoding scheme. by OddParity2005-10-05 13:22:47

 

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