[Elecraft] Oscilloscopes (WAS: spectrogram)

[Stan Rife]

    I have a 475 with the DM44 option, and a scad of different probes. 
It is on "semi-permanent" loan from my company (they have no need for it 
any longer). I have never used the DM44, but what looks interesting is 
that it will measure temperature in degrees C. I have the temperature 
probe and will get around to trying that out one of these days. I have 
never used an oscilloscope before about a couple of months ago, but I am 
trying to learn. The tutorial that Tek has on their website is pretty 
informative.

Stan Rife
W5EWA

Ron D'Eau Claire wrote:
> Alex NS6Y wrote:
>
> Tektronix 475, baby! The 465 is OK, and the 485 a real 400MHz work of 
> analog scope art I hope to own someday...
>
> --------------------------
>
> Yep, Tek scopes are the most popular and they are very good. In the 1970's
> when I was running a television production studio we had to smuggle in our
> Tek waveform monitors because the facility was owned by Hewlett-Packard! 
>
> Hewlett-Packard scopes are also EXCELLENT instruments though - at least
> their general-purpose lab scopes, which is what I was talking about here.
> When I was working in various labs I liked Tek scopes primarily because of
> their extreme flexibility, thanks to all of those expensive plug-ins <G>,
> and because they carefully kept the control layout much the same from model
> to model. Grab that big knob over there and it was always the time base
> control, no matter which Tek scope you were using. 
>
> HP wasn't so consistent with their panel layouts and they don't have all the
> swappable plug-ins that Tek used. However, HP made its name as a lab
> instrument company for almost 40 years before they touched the computer
> business in the 1970's with world-class lab gear. One advantage of their
> 'scopes for the Ham today is that they are often a lot cheaper than the Tek
> scopes, feature for feature and per megacycle of bandwidth simple because
> the Tek scopes are so popular.
>
> I have an HP1740 sitting on my bench that was built in the 1970's. It's an
> analog scope, which I prefer, and it's still tickin' like the day it was
> built, almost 40 years later!
>
> Ron AC7AC
>
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