RE: [CAD_CAM_EDM_DRO] Winscope ( was Suitable Cap for Gecko's was Re: 8-wire 1/2coil stepper?

It seems to me that a 20KHz scope should be just fine for looking at step
pulses, that is unless you are trying to drive your steppers at 6000 RPM or
more. (20000 steps per second * 60 seconds )/200 steps per rev = 6000 RPM

> -----Original Message-----
> From: Peter [mailto:prenolds@...]
> Sent: Friday, May 10, 2002 10:10 AM
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: Re: [CAD_CAM_EDM_DRO] Winscope ( was Suitable Cap for Gecko's
> was Re: 8-wire 1/2coil stepper?
>
>
> 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.
>
> Look in the back of Poptronics magazine for used equipment suppliers.
> Or maybe search eBay? New 20-30Mhz scopes are around $300
>
> Cheers, Peter
>
>
>
> turbulatordude wrote:
>
> > for a really cheap scope, try winscope.
> > it is a software scope that connects to your sound card
> > port.
> >
> >
> >
> >
> > --- In CAD_CAM_EDM_DRO@y..., "keongsan" <keongsan@y...> wrote:
> >
> >>--- In CAD_CAM_EDM_DRO@y..., "mariss92705" <mariss92705@y...> wrote:
> >>
> >>
> >>>All the neat action is on the current sense resistors, but you
> >>>
> > need
> >
> >>a
> >>
> >>>scope to see it. There, with a scope, you can easily see every
> >>>microstep and most everything else on how well the drive is
> >>>performing. It is the single most useful test point.
> >>>
> >>Anyone have used before or knows of a reasonably priced handheld
> >>
> > LCD
> >
> >>scope that is easy for beginners to use?
> >>
> >
> >
> > Addresses:
> > FAQ: http://www.ktmarketing.com/faq.html
> > FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> >
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> >
> > http://groups.yahoo.com/group/jobshophomeshop I consider this
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Addresses:
FAQ: http://www.ktmarketing.com/faq.html
FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/

OFF Topic POSTS: General Machining
If you wish to post on unlimited OT subjects goto:
aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if
you have trouble.
http://www.metalworking.com/news_servers.html

http://groups.yahoo.com/group/jobshophomeshop I consider this as a sister
site to the CCED group, as many of the same members are there, for OT
subjects, that are not allowed on the CCED list.



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