Re: tektronix 318 logic analyzer probe
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| schematics and pictures pls.
I could not find any line receivers that have ecl output, single ended input and trigger on selective voltage.
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--- On Wed, 2/20/13, David DiGiacomo wrote:
From: David DiGiacomo
Subject: Re: [TekScopes] Re: tektronix 318 logic analyzer probe
To: TekScopes@...
Date: Wednesday, February 20, 2013, 5:48 AM
?
On Tue, Feb 19, 2013 at 5:40 PM, cleyson@...> wrote:
> Hi David
>
> Fair comment, maybe you could make your own probes but I don't think you could build a 10 channel 1Meg 5pF FET probe for less than the $100 asking price. You need the 25 way micro D connectors, twisted pair cables and a PCB. Been there and done it for a 7D01 and I just ended up with an unreliable and not very usable probe that's at the bottom of the junk box somewhere.
If it ever comes up to the top again, it would be really interesting
to see the board and hear more about the problems you ran into.
It sounds like you were trying to achieve similar performance to the
Tek design. If the goal was just to get a 308 working, it seems like
a much less ambitious design would be OK. I still wouldn't want to do
it, but I think the parts cost would be a lot less than $100.
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