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NNTP-Posting-Date: Sat, 06 Apr 2024 02:35:45 +0000
From: John Larkin <jl@997PotHill.com>
Newsgroups: sci.electronics.design,sci.electronics.repair
Subject: Re: Favourite Test Equipment
Date: Fri, 05 Apr 2024 19:34:05 -0700
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On Fri, 05 Apr 2024 14:42:55 -0700, john larkin <jl@650pot.com> wrote:

>On Fri, 5 Apr 2024 23:31:28 +0200, Gerhard Hoffmann <dk4xp@arcor.de>
>wrote:
>
>>Am 02.04.24 um 17:09 schrieb John Larkin:
>>
>>> 
>>> We still have one Tek 7104 (1 GHz microchannel analog scope) that
>>> works. One of my guys likes it.
>>> 
>>
>>Wasn't that the scope that always switched off the beam current
>>when things got interesting?
>>
>>Gerhard
>
>Yes, it shuts off the display often, to not wear out the microchannel
>plate.
>
>One develops a sophisticated thumb-flic motion to hit the enable
>button in milliseconds. You can see a single-shot sweep at 1 ns/cm.
>
>The 719 was a fast CRT scope too, but the screen was about the size of
>a postage stamp, and there was no vertical amplifier. I don't want one
>of those huge ugly beasts, but I do have a CRT. I dug it out of a 719
>in a parking lot in Los Alamos, in the cold rain.

Sorry, that was a 519.

https://www.dropbox.com/s/r6c3zkwlqrayt53/519_CRT.JPG?raw=1