Scope Choice for Vintage Computer Troubleshooting

From: Mike <ipscone_at_msdsite.com>
Date: Mon Oct 7 13:17:00 2002

Actually, this is good info. I have limited my choice to LCD simply
because of the size/weight issues. I have an area that I work most of the
time that is not permanently set up. I was hoping to get something to
allow easy tear down and setup.
But, if LCD are junk, maybe I need to rethink that position.

Mike

> All LCD scopes are junk compared to a good tube scope. I understand
> that
> you're spec'ing a LCD scope, but seriously consider a Tektronix 2445.
> This is a four channel 150mhz scope, and they can be had for $400-$500.
> A 2465 is an even better choice, with the 2465B being the top of the
> line. However, 300mhz is far more than you'll ever use day to day, and
> the B, while having some nice features, drives the price up into the
> $1000-$1200 range.
>
> You can also find good deals on the P6131 probes for the 2400 series
> scopes. These are far more flexible than the after market Scopemaster
> probes. I've found new ones on eBay (unopened) for $35 on occasion.
>
> LCDs scopes are a compromise. The bandwidth is poor (though adequate
> for
> most 4Mhz systems), and do very poorly on dynamic signals. They're OK
> to capture a single image, but if you want to watch for jitter in a
> clock and such, they're useless.
>
> Again, I acknowledge you've said you wanted a LCD scope, but if this
> is to
> be a primary instrument, I would recommend a good tube scope instead.
>
> --John
>
> -----Original Message-----
> From: cctalk-admin_at_classiccmp.org
> [mailto:cctalk-admin_at_classiccmp.org]On Behalf Of Mike
> Sent: Monday, October 07, 2002 11:46
> To: cctalk_at_classiccmp.org
> Subject: Scope Choice for Vintage Computer Troubleshooting
>
>
> Ok, I need some advice on what type of scope might be available for
> troubleshooting vintage computers.
> I have already decided that I need more than is necessary. I want to
> limit my choice to a economically priced portable LCD scope. However,
> I'm not familar with what is available.
> Any good choices?
Received on Mon Oct 07 2002 - 13:17:00 BST

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