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March 6th 05, 09:00 PM

wrote:
Panzer240 wrote:

dbu wrote in
:

I already have a scope which I use on my work bench, but it sits a

lot

not being used, so it would be kind of handy to plug in a device

which

would enable it to be used as a SA or panadapter type scope for the

shack. This would make my scope much more useful. Anything like

that

around?

Alas I am not aware of such an item. But there maybe someone else who

does. Heathkit made anumber of these in kit form for thier Amateur

Radio kit and you do see them on Ebay and other places. Designed for

use

with the SB-XXX series mostly they do have specific needs as to IF
frequency etc. Thta info is easly available and using it, I'm sure

they

could be adapted quite easily to othere readios that have similar

IF's.

Scopes are very versatile instruments, and can be used for a number

of

purposes right out of the box. The accuracy of results depends on the

"quality" of the instrument. Suitable setup and interpretation of

results

will allow you to make Voltage (p-to-p and RMS) frequency, phase
measurements. Newer instruments have these built in and display them

on

screen without the need to eyeball the waveform and do mental

arithmetic.

Back in the day... the reason an electronics nerd kit included a

small

pocket slide rule was to do quick calculations based on the observed
waveform and control setting While it was fun, I much prefer the

newer

gear, with its on screen of voltage, frequency etc along with the
waveform.

For me at least the most useful peice of test gear is the service

monitor.

Even if you are using it as test gear it can be used as receiver to

tune

in local broadcast stations and send them annoying critiques of their

signal deficencies

Thanks to all for the input, I really appreciate the help. The
Service Monitor idea sounds absolutely perfect! But I was wondering,
because it encompasses so many different instruments into one unit,
does the accuracy or capabilities of each unit suffer a bit, or is it
priced like that of a second home? Who makes a decent Service Monitor
between $3000 to $5000? I tried to follow one response to a link on
Ebay but the item had already expired. Thanks again to everyone.
B. Taylor

A service monitor makes an excellent...service monitor.
It's a lousy scope.
It's a poor spectrum analyzer.
But it can be a GREAT service monitor.
mike

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