I'm glad you said that before I started trying to "fix" the focus on my
7704A. I really was thinking about it.
I did, by the way, find a backplane that is being shipped to me so that I
can attempt to repair the plugin connectors.
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-----Original Message-----
From: Stan or Patricia Griffiths [mailto:w7ni@...]
Sent: Saturday, January 19, 2002 5:36 PM
To: TekScopes@...
Subject: Re: [TekScopes] WTD: 7704A Power Supply
This is also partly due to poor focus in 7K CRT's in general since they
use the
mesh screen technology . . . The typical "spot size" of a 7K CRT is
several
times larger than that of a 453, 547, or 585A for example.
Stan
w7ni@...
donlcramer@... wrote:
> "....It is a long time since I used a 4-bay Tek scope, but I recall that
the
> readout vibrated up and down a little too (it was either a 7704 or a
7904 - I
> forget which now)...."
>
> Craig
> ---------------
> It seems the on screen readout, while a brilliant feature, is never
quite
> perfect. For instance, the character focus and/or astig never seems to
be
> quite sharp, and it varies depending on screen location in some models.
Part
> of the wonderful character of the scopes I suppose.
>
> Don
>
>
>
>
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