As I recall, the reason Tek would not recommend a 7B53 as a timebase for a
7704 is that it will not sweep fast enough to take full advantage of the
7704's 200 MHz bandpass. Other than that, I believe it will work just fine.
An even simpler, and probably cheaper, timebase would be a 7B50 or 7B50A with
does not have the delayed sweep feature. You could even use a 7B51 that is
normally used with a 7B50 to provide delayed sweep but can be used as a simple
timebase without a 7B50. I only suggest the 7B50, 7B50A, and 7B51 because
they might be more available and cheaper than the 7B53/A alternatives. There
was also an earlier version of the 7B53 called the 7B52 which would work as
well . . .
I really need to get on with finishing my second book . . .
Stan
w7ni@...
dd@... wrote:
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I have a 7704A mainframe that is in need of repair...
Also I am in need of a horizontal sweep module.
For mostly audio frequencies a 7B53(A) would be the right choice for
the time base plug in.
The 7B53/7B53A is not recommended for use in the 7704/7704A. I don't
remember why, but I think it was a good reason. The original poster needs
to find a 7B70+7B71, 7B80+7B85, or 7B92/7B92A.
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