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'[EE]: Which DSO to choose !'
2001\03\14@043610 by Javier Grijalba

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Hi
I wanted to know which Osciloscope do you recommend for an electronic
student & hobbiest
I thought the TeK2235 or TDS210 or 220, what do you think?
Don4t know if I should go for a new or used one ?
Thanks
Javier

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2001\03\14@093413 by James Paul

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Javier,

IMHO, any scope is better than none at all.  But realsitically,
all the scopes you mention are worthy of consideration.  My best
advice is get the one with the most that you can afford.

The first criteria I would look at is what I plan on using the
scope for, and what bandwidth I would need for that use.  And
here, generally more is better.

The second thing I would look for is features.  Such as memory
depth and the ability to add more memory in the future if possible.
Triggered sweep on more than on channel (rather common today).
Sweep magnification to get a better look at glitches, etc.

The next thing I would look at is extras.  Such as do probes come
with the unit, or do I have to buy them seperately.  Communication
cable for connecting and controlling the unit from a computer to
enable simple ATE setups, etc.

The forth thing I would look at is price versus the criteria
mentioned above.

You should look at all the things that are important to you, study
the specs of the different scopes you are looking at, and then weigh
the importance of each of the criteria you decide to look at, and
then choose the one that best fits your criteria.

It takes some time to go over the criteria and decide, but if you do
it this way, you'll be able to get many years of service out of your
scope before you outgrow it, or it needs to be replaced.

Anyway, that's my take on the subject, and my opinions on how to
decide which is best for you.  One last thing, if you have unlimited
funding, things get significantly easier.

Hope this helps.

                                          Regards,

                                            Jim



On Wed, 14 March 2001, Javier Grijalba wrote:

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spam_OUTjimTakeThisOuTspamjpes.com

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2001\03\14@115359 by Bill Westfield

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I have a tek tds210, and it's great.  Sits atop the desk in a spot that
isn't nearly big enough for a "regular" scope, and throws into a closet if I
need it even further out of the way.  I haven't used it a lot yet (thus the
inability to justify a tds220, even to myself), but so far it's done
everything I've wanted it to do.  Nice automatic measurement features, too.

BillW

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2001\03\14@145857 by Ron Wilder

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Hi Javier,
I bought an HP 54622D (DSO) last year and it has REALLY worked out well
for
me.  It has 2 channels of analog (100 MHz) and 16 channels of digital,
can
trigger on I2C, as well as other methods, is fairly small, has a floppy
or
can connect to a PC for remote control, etc.  Great for PIC work.  The
horizontal can go down to 5 nS/cm but even at higher values has a REALLY
wide buffer so you can really expand the signal nicely.  I first saw the
scope at a MicroChip conference here in Silicon Valley and, after
drooling
over it for a couple of months, decided to buy it.  They also have lower
speed (60 MHz) versions available with and without the digital (logic
analyzer) section.  I really like having both pieces in one package.
Hope this helps,
Ron

Javier Grijalba wrote:

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2001\03\14@170131 by Mike Mansheim
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> I bought an HP 54622D (DSO) last year and it has REALLY worked out well
> for me.  It has 2 channels of analog (100 MHz) and 16 channels of
> digital, can trigger on I2C, as well as other methods, is fairly small,
> has a floppy or can connect to a PC for remote control, etc.  Great for
> PIC work...

I would like to enthusiastically second the recommendation of this scope.
The 16 digital channels to go with the 2 analog channels increases the
usefulness tremendously (and I've never used all 16 channels - just
being able to show 4 or so digital signals along with the a/d inputs is
extremely useful).  Plus the ability to trigger on i2c has already
also proven useful.
I don't know what the scopes originally mentioned cost - we paid approx.
$4500 for the 54622D.

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2001\03\14@171959 by Ron Wilder

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I paid $3999 for mine after some bartering.
Ron


Mike Mansheim wrote:

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2001\03\14@202716 by Bill Westfield

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IIRC, My TDS210 was about $1200...

BillW

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2001\03\15@021853 by Javier Grijalba

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I don4t know if to buy it refurbished or new, the price difference is $400,
any hints?
Has anybody bought anything from
KANDEL ELECTRONICS INC.?
Thanks again
Javier
PD What would be the HP replacement for the TDS210 (DSO 60Mhz 1G sampling,
2channels)??


{Original Message removed}

2001\03\15@030527 by Bill Westfield

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   I don't know if to buy it refurbished or new, the price
   difference is $400, any hints?

I don't know.


   What would be the HP replacement for the TDS210 (DSO 60Mhz 1G
   sampling, 2channels)??

Unless I misunderstand things, the TDS210 is NOT a DSO (Digital Storage
Oscilliscope.)  It's a Digital REAL TIME Oscilliscope.  Not having used
a real DSO, I'm not quite sure what all the differences are.  The TEK
will catch a single one-time waveform, though, which is nice and one of
the big things a DSO will do (I thought), but I don't think it has nearly
as much memory or as many options for looking at memory as a real DSO.
(I'm not sure it has any memory at all in the DSO sense.  What it has
is memory in the DISPLAY, I think.)

BillW

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2001\03\15@041303 by Clive Frederickson

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Hi

I treated my self to a TDS210. They are excellent scopes for the money. Very
compact. All the controls and set-up are pretty easy and as easy  as any
other scope I've used (easier than some). Display is nice. I have not had
any problems with it at all. I recently added the expansion module this is
ok for taking captures to the PC or direct to the printer but I have not
used this very often.

The biggest criteria is budget!. For the home hobbyist the TDS210 is usually
the first reachable price bracket. If affordable, some higher end DSO's are
worth going for, The TDS210 has only the basic's (for DSO's that is).

Its worth finding people / distributors who may have some of the DSO's as
demo's, get and play with them you'll get an idea of how they interface with
the user (you). For > £800 I should think rep's are willing to demo the
products.

Best of luck.

Regards

Clive Frederickson
R&D Technician (CECF Group)

       ----------
       From:  Javier Grijalba [SMTP:.....mariosabino007KILLspamspam@spam@HOTMAIL.COM]
       Sent:  14 March 2001 09:24
       Subject:  [EE]: Which DSO to choose !

       Hi
       I wanted to know which Osciloscope do you recommend for an
electronic
       student & hobbiest
       I thought the TeK2235 or TDS210 or 220, what do you think?
       Don4t know if I should go for a new or used one ?
       Thanks
       Javier


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2001\03\15@092105 by Mark Skeels

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My boss bought me a THS720A.

This is a great portable general purpose scope. It's LCD display, got good
triggering options and dual isolated input channels, so no worries about
grounding or shorting signal sources. It's easy to use, and battery powered.
Also, it's small on my bench. I don't know about you guys, but sometimes I
could misplace a Volkswagon on my bench....

Mark Skeels
Engineer
Competition Electronics
meskeelsspamKILLspamearthlink.net

Soli Deo Gloria!

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2001\03\15@122308 by Dmitry A. Kiryashov

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Hi Javier.

Check http://www.linkinstruments.com for model DSO2102 (525$)

WBR Dmitry.

Grijalba wrote:
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