Re: [CAD_CAM_EDM_DRO] Re: oscilloscope for CNC

On Sun, 29 Jun 2003 18:47:26 -0700 (PDT), you wrote:

>Naw, There are plenty of online sites that have "How To's" and examples to
>demonstrate an O-scopes abilities. Its just how motivated a person is to
>find, read, and learn what might be to some a "Very boring Subject". It
>really hurt to fork out the bucks for a Fluke 92B Scopemeter but was well
>worth it. The instruction manual had many Examples of different testing
>situations, ways of triggering the waveform properly, and was explained in
>almost a laymans terminology. "I Think", only basic electrical skill was
>needed to learn most of the features...
>Technology is making things a LOT easier than the scopes of the 70's and
>80's. It wont be long before you'll see very cheap deals on older scopes.
>I was very surprised to see what some scopes sell for on Ebay. Check it out.

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..

Harvey

>
>Vince
>
>
>
>> Hi tanya;
>>
>> No time like the present to get professional :)
>>
>> On the other hand, scopes, even used ones, are expensive. Unless you
>> have someone locally to introduce you to a scope it would be best to
>> audit a few electronics classes before considering such a purchase.
>>
>> Thanks
>> Dave
>>
>>
>> tanyasapa wrote:
>>
>>>Thanks to all who provided so much info and tips on and off list.
>>> Did'nt expect to get so much material to digest.
>>>
>>>For now, I think I'll just use the PC-based oscilloscope, and put off
>>> getting a professional oscilloscope till I get more professional.
>>>
>>>Thanks again.
>>>
>>>Tanya
>>>
>>>
>>>--- In CAD_CAM_EDM_DRO@yahoogroups.com, Stephan Kotzé <stephank@c...>
>>> wrote:
>>>
>>>
>>>>Tanya
>>>>
>>>>If it is analogue signals, you need a bandwidth of about 5 times
>>>>
>>>>
>>>your max frequency you want to measure. Digital signals you need about
>>> 2 times unless you want to do glitch capture. Something that can do a
>>> waveform capture is always good. Personally I prefer
>>>HP/Agilent, but I have a Tektronix scope DSP360 ($4000) . The FLUKE
>>> Scopemeter series is not to bad if you want portable and rugged. Stay
>>> away from anything less than 50 Mhz. Look on Ebay, there is normally
>>> a lot of units available.
>>>
>>>
>>>>Stephan
>>>>
>>>>
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>>>
>>>
>>>
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>> for OT subjects, that are not allowed on the CCED list.
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>> NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM.
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>Addresses:
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>URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
>
>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 to be 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.
>
>NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM. DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
>bill
>List Mom
>List Owner
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