Reply to "Correlator Noise floor inflation by Legacy Signal Interfering with DCS"

gunrunnerjohnOGR Forum Member SUPPORTING MEMBERDIGITAL SUBSCRIBER

rad400 posted:
Adrain- great job on your Analysis and design of a legacy/DCS unit. In your analysis you bring the legacy signal up to 3 volts with good results on the dcs signal. If a layout has a legacy buffer, the legacy signal can be greater than 3 volts. Is the assumption that with a higher legacy signal you will still get good results on the DCS side, or will you need one of the legacy buffers to test it out.
The chances are, if you are having issues with the DCS signal, you may also have legacy issues and will be deploying a legacy buffer.
Bob D

Bob, that's the differential between the the outside and center rail, but with all the leakage through locomotives and other stuff, it's a fairly large differential. This unit would be on the input of the Legacy buffer right after the command base, so it would work fine with the buffer.

7/20/186:53 PM

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