Re: Speaking of Scopes....

--- In CAD_CAM_EDM_DRO@y..., "mariss92705" <mariss92705@y...> wrote:

> First off, a scope is nothing more than a voltmeter that shows what
> happens to voltage versus time. What you want in a good scope are
> three things; a sharp focus, good writing speed and an excellent
> trigger.

From: Peter <prenolds@s...>

> Sorry to put a damper on this suggestion
> but the winscope is bandwidth
> (top frequency) limited to 20KHz.
> This would be ideal for looking at
> audio signals but with step pulses
> down in the 1-5 uSec range you really
> need a 20MHz scope (minumum)to
> see the transitions clearly.

If one is not so ambitious, only wish to use the scope as a trouble-
shooting tool, say to see if the Gecko is stepping OK, at say, low
stepping rate, would the Winscope be up to the job? It seem an
economical solution for not-so-ambitious home hobbyist.

> A sharp focus lets you see the fine details of the signal you are
> looking at; the glitch in a waveform that may be double-triggering
> some logic circuitry that's misbehaving.
>
>
>
>
>
> --- In CAD_CAM_EDM_DRO@y..., "audiomaker2000" <audiomaker@s...>

wrote:

> > ...
> > I've been thinking of getting one for my shop (one from this
> century
> > anyway).
> >
> > What would be the attributes of an o'scope that I should look for?
> >
> > I would like to use it for (learning how to) diagnose CNC
> equipment,
> > audio gear (amps, processors, etc), automotive, shop electrical,
> etc..
> >
> > I have bunches of Fluke VOM's, and I was thinking I'd sell them

and

> > get something like this:
> >
> > http://fluke.com/products/features.asp?SID=11&AGID=4&PID=8221
> >
> > or the 196 or 199 scopemeter.
> >
> > It would be great to still have a portable product, but I'm not
> sure
> > about the LCD screens and other possible drawbacks to this type

of

> > unit over just keeping my VOM's and getting a bench type analog
> scope?
> >
> > In whichever scope I get, what spec's would I need. I'm not

NASA,

> > but I'd like a unit that could do the test that the smart guy on
> the
> > ttech phone line would like me to do.
> > Since I'm also not an electronics wiz... the Flukes can print, or
> > capture the screens for distribution to places like *this* for
> > examination by those who know better than I (a really great

feature

> I
> > think).
> >
> > Thoughts?
> > Sean