Electronics > Beginners

Oscilloscopes to stay away from? (spec: Tek 2337 question)

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GK:

--- Quote from: vk6zgo on August 12, 2013, 04:18:18 am ---
--- Quote from: robrenz on August 11, 2013, 03:10:29 pm ---
--- Quote from: EEVblog on June 03, 2011, 06:30:08 am ---Don't forget the 2225 is you are doing low level signal work. The 500uV/div sensitivity is pretty much unmatched by any other scope?

--- End quote ---

Except a 7000 series with a 7A22 differential amp plugin at 10µV/div ;D

--- End quote ---

Yeah,the 7000 series are nice old beasts--you can get such a range of plugins.


I'm looking for a 7L12 or similar Spectrum Analyser plugin.
Rotten thing is,I saw several on eBay Aust before I got the 7613,but nary a one,since! ;D

--- End quote ---



My much older 1A7 plug-in for 500 series scopes does 10uV/division with DC coupling. Parallel push-pull nuvistor input stage. DC drifts like fark though.

Sigmoid:
By the way, does anyone know a good online reference with release dates, manufacturing history, specs and possibly some words about the major Tektronix models? (Like the differences between a 2336 and a 2337, etc.)

alm:
There's also a plugin for the Tek 5000 series and even a stand-alone TM-500 version (AM502) of this plugin. Probably all based on a very similar design (I know for a fact that the 7000/5000/TM500 were very similar). So while 500 uV/div is decent for a portable scope, it's definitely been matched and exceeded by lab scopes.

GK:

--- Quote from: Sigmoid on August 12, 2013, 03:37:04 pm ---By the way, does anyone know a good online reference with release dates, manufacturing history, specs and possibly some words about the major Tektronix models? (Like the differences between a 2336 and a 2337, etc.)

--- End quote ---


http://w140.com/tekwiki/wiki/Main_Page

PaulAm:
The 24xx list didn't mention the 2432/2432a DSO. which is inbetween the 2430 and 2440 in performance  It's not a bad scope.

The 468 had a GPIB option.  The DSO section is only good to 10MHz though.

On the 2465, U800 is the primary problem.  There is a design with smd parts that's available that more or less is a drop in replacement.  I don't know first hand anyone who's tried it though.  Some people have had some success running it through a baking process.  It comes up a lot on the Tekscopes list.

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