Re: [CAD_CAM_EDM_DRO] Re: oscilloscope for CNC

On Mon, 30 Jun 2003 18:12:33 -0000, you wrote:

>--- In CAD_CAM_EDM_DRO@yahoogroups.com, Harvey White <madyn@i...>
>wrote:
>
>> You already see that. You will see 100 mhz or better scopes, dual
>> channel, delaying sweep (this is desirable... sorta lets you run a
>> magnifier along the trace)... for 300 or less at hamfests,
>> depending... Tektronix, not B&K or an off brand..
>>
>
>Last year a picked up a 150 MHz mini Tektronix dual trace, digital
>storage scope with manual and two probes at a garrage sale for $75! It
>was a bit of a gamble because I couldn't try it out in advance, but it
>turns out towork great. With the storage features comes a whole raft
>of trigger modes, without the manual it would have been really tough
>to figure them all out. The storage aspect makes debugging digital
>stuff much easier, you can see what happened before the trigger.

You can find such stuff at a garage sale, but I will say that that
kind of garage sale is rather rare around here. On the other hand, it
*does* happen.

Harvey

>
>John S.
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