Re: Used Analog vs New Digital Scope

In article <[EMAIL PROTECTED]>, 
[EMAIL PROTECTED] mentioned...
> On Fri, 28 Nov 2003 15:02:31 -0800, Walter Harley wrote
> (in message <[EMAIL PROTECTED]>):
> 
> > I've got a used Tek 2465A.  Best scope I've owned or used.  Can't imagine a
> > PC-based scope coming close.  So much of the functionality has to do with
> > having really good analog design - you can't make up for it with software.
> 
> If you decide on the 2465, know that they are a ticking time bomb (I think 
> the 244x series is also effected). The custom IC U400 (I think it is) in the 
> vertical circuit is the first thing to go, and Tektronix is no longer 
> repairing this. Somebody on the 'net advertises replacing this IC for 
> $500-plus. 
> 
> I have a 2465 and it is great, but I know when that IC goes...

Why not put a heatsink on the chip now to prevent or delay it from 
dying in the future?

> Good luck,


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