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analog scope kit (Read 184 times)

Randy H.

Super Nerd
Picogroup

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Tools are only as good
as the Tech holding them

Posts: 1,693

Bardstown, Kentucky
Kentucky
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analog scope kit
Jan 23^rd, 2011 at 1:57pm

I noticed online that they sell some DIY scope kits for a very samll analog scope (single trace, 1MS sample rate) I thought it would be cool to build it (costs less than 50bucks) just so I could get a better understanding of how a scope works and therfore better understand its limitations better.
Question: I know that analog scopes don't have the buffer and storage of a DSO, but are there things an analog scope can do that a digital scope can't?
As a side note - this scope is in no way going to be used on an automotive app. (thats my beloved Picos job)

(does that sound creepy?) Grin

I just thought it would be cool to build, good to learn how the internals of a scope works, and it fits in your pocket.
There are also PC based scope kits on the net, but I wanted the analog variety.
Heres the link if anyone else is interested:
http://www.nkcelectronics.com/digital-storage-oscilloscope-diy-kit.html

Randy Hatton
Fleet Technician
Elevation: AVG 648 ft.

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Tom Roberts

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Olympia
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Re: analog scope kit
Reply #1 - Jan 23^rd, 2011 at 3:28pm

Randy,

Sounds like a good project. The link you provided is a DSO kit but I know you wanted an analog one.

I started out using a somewhat portable analog scope for automotive before there were DSOs.

With a DSO, real time sample rate as a function of max sample rate, screen time, and record length is the most important performance spec to be concerned with.

With the analog variety, the term 'sample rate' is irrelevant. They are live. The most important spec there is the bandwidth.

Tom Roberts
Forums Administrator

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brandonb Super Nerd Picogroup Offline Posts: 1,414 arizona Arizona USA	Re: analog scope kit Reply #2 - Jan 23^rd, 2011 at 7:44pm randy that is too cool, i might pick one of those up
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brandonb Super Nerd Picogroup Offline Posts: 1,414 arizona Arizona USA	Re: analog scope kit Reply #3 - Jan 23^rd, 2011 at 8:11pm check this one out http://www.youtube.com/watch?v=EXSYLQsbbvk- i want to get 2 of these, it would be nice for my flowbench as a feature that no other bench has
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Randy H.

Super Nerd
Picogroup

Offline

Tools are only as good
as the Tech holding them

Posts: 1,693

Bardstown, Kentucky
Kentucky
USA
Gender: male

Re: analog scope kit
Reply #4 - Jan 24^th, 2011 at 12:14pm

Tom - i did not know it was a digital scope. Oh well - it should still be fun to build. Guess I didn't read the specs thoroughly.

Brandon - that would be a cool addition to your flowbench - great thinking! Once you get that flowbench perfected - if you can make more I am sure I could find buyers!

That nano scope is really cool - could be mistaken for cellphone!

Randy Hatton
Fleet Technician
Elevation: AVG 648 ft.

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