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'[AD]: Selling Tek TDS 220 on eBay'
2006\04\17@215809 by Sean H Breheny

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Hi all,

I am selling my Tek TDS 220 digital real-time scope on eBay and wanted to let you guys know:

http://cm.ebay.com/cm/ck/1065-29296-2357-0?uid=1121096&site=0&ver=LCA080805&item=7611174674&lk=URL

or

http://tinyurl.com/n8dk2

This is an excellent scope for PIC or any mixed-signal work. Dual channel, 100MHz with 1 Gigasample/sec sampling. This one also includes an (untested) Communication Extension Module which allows you to connect to a PC and download screen shots, etc. I am also including a CD with the User's Manual, Service Manual, and the manual for the Comm module. No probes.

Thanks!

Sean



2006\04\17@221529 by Mark Rages

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On 4/17/06, Sean H Breheny <spam_OUTshb7TakeThisOuTspamnetzero.net> wrote:
> Hi all,
>
> I am selling my Tek TDS 220 digital real-time scope on eBay and wanted to let you guys know:
>
> http://cm.ebay.com/cm/ck/1065-29296-2357-0?uid=1121096&site=0&ver=LCA080805&item=7611174674&lk=URL
>
> or
>
> http://tinyurl.com/n8dk2

The "Buy it Now" was too good to pass up.   The scope is off the market.

Regards,
Mark
markrages@gmail
--
You think that it is a secret, but it never has been one.
 - fortune cookie

2006\04\18@065321 by Howard Winter

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Sean,

On Tue, 18 Apr 2006 01:55:21 GMT, Sean H Breheny wrote:

> Hi all,
>
> I am selling my Tek TDS 220 digital real-time scope on eBay and wanted to let you guys know:
>
> http://cm.ebay.com/cm/ck/1065-29296-2357-0?uid=1121096&site=0&ver=LCA080805&item=7611174674&lk=URL

Wow, that was quick!  It sold 15 minutes after your message (if I've got the timezones right) !

Cheers,


Howard Winter
St.Albans, England


2006\04\18@073418 by Xiaofan Chen

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On 4/18/06, Howard Winter <.....HDRWKILLspamspam@spam@h2org.demon.co.uk> wrote:
> Wow, that was quick!  It sold 15 minutes after your message (if I've got the timezones right) !
>

A bit strange to me. I've seen so many people praising this scope and
some other low end scopes from Tektronics. Yet I consider this
scope (TDS220) and some other similar models (TDS2xxx/3xxx)
one of the worst scope I have ever used.

I do not know the 1Gs/s is for real or not but it is much worse than
the old HP54600B I've used before. It is also much worse than the
old TDS3xx/4xx/5xx models. The screen is very slow. It is also
not so user friendly. Maybe I am spoiled since I am using a Lecroy now
at work.

Regards,
Xiaofan

2006\04\18@101207 by Gerhard Fiedler

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Xiaofan Chen wrote:

> Yet I consider this scope (TDS220) and some other similar models
> (TDS2xxx/3xxx) one of the worst scope I have ever used.
>
> I do not know the 1Gs/s is for real or not but it is much worse than the
> old HP54600B I've used before. It is also much worse than the old
> TDS3xx/4xx/5xx models. The screen is very slow.

I have a TDS210 -- probably the most low-end of all these, but I have yet
to have a problem with not seeing something due to slow screen. Of course,
the "visual feel" of an LCD screen (TDS210/220) is a lot different compared
to a CRT (HP54600B), but most of the time I capture the signal and then
analyze it -- and the analysis usually is /much/ slower than the screen,
and I least feel generally more comfortable looking at an LCD screen than
at a CRT. (Besides of course the other advantages related to space, weight,
energy consumption and ruggedness.)

Seriously, for me the screen seems to show what's there (or better said
what the scope captures). I don't see what one would gain if it were
faster... what are you missing? Or what do you mean when you say the screen
is very slow?

Gerhard

2006\04\18@103734 by Mike Harrison

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On Tue, 18 Apr 2006 11:11:40 -0300, you wrote:

{Quote hidden}

General user-interface responsiveness on all the Teks I've used is horrible compared to similar
Agilents.

It's the same thing as using a sluggish old PC - it just doesn't 'feel' as nice...


2006\04\18@112407 by Gerhard Fiedler

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Mike Harrison wrote:

> General user-interface responsiveness on all the Teks I've used is
> horrible compared to similar Agilents.

I can see what you mean. E.g. when I move the trigger point, the arrow on
the display lags for approx. 100 ms or so behind the hand movement at the
dial. Doesn't seem to be a display problem, though. And really doesn't
affect usability, IMO... the times when I have to change the trigger point
in a split-second are very few in between. Usually some finer tweaking is
needed, which takes longer than the responsiveness of the UI anyway.

As you say, it's a "niceness" feature :)  Are the other scopes you guys are
talking about (Agilent, HP) in a similar price/performance range (besides
the "niceness" feature)?

Gerhard

2006\04\18@192333 by Barry Gershenfeld

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>A bit strange to me. I've seen so many people praising this scope and
>some other low end scopes from Tektronics. Yet I consider this
>scope (TDS220) and some other similar models (TDS2xxx/3xxx)
>one of the worst scope I have ever used.

Just remember that the worst 'scope is still better than the best voltmeter
for looking at signals :)

Barry

2006\04\18@192828 by Marcel Birthelmer

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I don't know, those fluke DMM-o-scopes are pretty sweet lookin'... But I
guess those don't exactly fall in either category.

On 4/18/06, Barry Gershenfeld <barry_gspamKILLspamzmicro.com> wrote:
{Quote hidden}

> -

2006\04\18@200043 by David VanHorn

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On 4/18/06, Marcel Birthelmer <.....marcelb.listsKILLspamspam.....gmail.com> wrote:
>
> I don't know, those fluke DMM-o-scopes are pretty sweet lookin'... But I
> guess those don't exactly fall in either category.


Like a motorcycle with a sidecar, worst of both worlds?

I have here somewhere, a "probescope" that radio shack used to sell, sort of
a meter, and sort of a scope.  Handy, but man the low rez display left TONS
to be desired.


--
> Feel the power of the dark side!  Atmel AVR

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