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Subject: Re: New low bandwidth scope or used high band scope?
Date: Thu, 26 Sep 2002 12:11:10 -0700
X-Mailer: Mozilla 4.78 [en] (Win98; U)
You need to put your apples in one pile and the oranges in another.
There are two basic parts to a scope system.
The first part puts the green worm on the screen and faithfully
represents the input.
The seocnd part is all the bells and whistles like readouts, cursors,
lots of traces, storage......on and on and on.
Anybody can do the bells and whistles, but a cursor readout on a poorly
waveform isn't very useful. In the price and age ragnge you and I can
I'd stick with TEK or HP.
A lot depends on what you're trying to do.
If all you need is 20 MHz. you should be able to find someone to pay you
to haul it away.
If you want a real scope, I've bought TEK 453s for as little as $2. One
wasn't working and I had to replace a holdoff cap, but otherwise it
I'd never pay $300 for a 100 MHz. scope...especially sight unseen from
All the bells and whistles will jack up the price considerably, mostly
a relatively recent addition and people think it's cool to have cursors
that they'll never use.
Up goes the bid.
There's also the repairability issue. Most TEK scopes newer than 1990 or
so have stuff
inside that you can't get any more. If it breaks, you're hozed. If you
get it from ebay,
and it's broke, you're hozed. Same with service information.
This is a big guess based on almost no information, but I'd go with a TEK
453 or 453A
for general purpose use. Lots of bang for the buck...assuming you buy it
Don't overlook probes. Stick with TEK probes. Most others are crap.
Ham radio swap meets are a good place to look. If you live in a
garage sales work too.
I've got a TEK 2465 in the attic. Probably neve use it, but it's got all
cursors and readouts ;-) Can't imagine ever getting rid of it.
Bunch of stuff For Sale and Wanted at the link below.
The little lost angel wrote:
> Still looking for a scope
> I could pay like $300 bucks to buy a 60~100Mhz old scope from ebay
> plus shipping to my place.
> Or I could spend $400 bucks to buy a new 20Mhz Taiwanese basic scope
> that doesn't even have cursor readouts (I assume it's those lines you
> get to shift up and down and tells you exactly what voltage it is
> without having to use a ruler)
> Which would be a better choice?
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