Re: [CAD_CAM_EDM_DRO] Re: Going home / more stepper speed!

Jon Anderson wrote:

> Alan,
>
> Just dropped in on this thread, saw your mention of watching pulses on a
> scope. Dawns on me it might be nice to have a scope. And learn to use
> it. <G> I do have a couple books on using scopes, but don't have one so
> never opened them.
> Are there any scopes you could recommend appropriate for looking at
> stepper pulses that are not overly complicated, reliable, and can be had
> cheap (under $150)?

Well, I might recommend you check eBay for a used Tektronix scope.
Perhaps a 465 or thereabouts. You won't get anything but junk for a
new price of $150. But, with a little patience, you can get a good deal
on some quite old Tek instruments, largely because they made so many,
and the ARE reliable. For a 20 - 30 year old test instrument to be still
not only functional, but within specs, too, is a testament to how well Tek
engineered their stuff! I would not buy anything else of that vintage
except possibly HP, because most other brands are not of the quality
of the Tek gear. I use a Tek 475 at work, that we got for about that
price.

Jon