In SX Microcontrollers, SX/B Compiler and SX-Key Tool, PJMonty wrote:

James,

Salient point.  As you climb higher and higher with an analog scope, the displayed signal of a square wave develops rounded corners as the system reaches its limit on handling the harmonics.  On my 60 MHz scope, a 50 MHz clock looks just like a sinewave, even though I know it's still a square wave.

Metron9,

Still not sure if you have an analog or digital scope.  If analog, it's not plotting a point, it's just sweeping the electron beam around on the screen, with all the inherent "infinite" resolution that analog implies.  If it's digital, then it is indeed plotting points.

[list]Thanks,
PeterM[/list]

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