Reply to "AF DCC Questions"

For reference, this is a simplified representation of a DCC signal.  The pulse width determines whether the data is a 1 or a 0.  The sequence of 1's and 0's determines speed and other command functions:

dcc signal

This is an AC signal, alternating at 60 times a second in the US.  Speed is dependent on the amplitude of the waveform while there is no change in the width of the waveform:

sine wave

Rusty

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