[sdiy] Logic Analyzer Advice

Vladimir Pantelic vladoman at gmail.com
Sat May 17 00:16:19 CEST 2025


in order to just display a binary counter output you don't need any "decoding", 
even the simplest LA should be able to combine multiple bits into a certain 
length word and display that as a bin/dec/hex number.


On 5/16/25 19:24, Terry Bowman via Synth-diy wrote:
> I need to repair some old frequency counters and whatnot. It sounds like a job 
> for a logic analyzer but I've never actually used one.  What would be wonderful 
> is the ability to put a clip on the counter DIP, tell it what chip it is and 
> then watch it count away in hexadecimal. Someone told me that this is "decoding" 
> the data which makes sense. Anything that doesn't require me to do any mental 
> gymnastics is ESSENTIAL. I'm not rich but I'll pay for what I need. Anything 
> less is a waste of time.
> 
> What would be best for this? I'm sure there are factors that I'm not even aware 
> of. PC based is an option as I'm going to put a 32" monitor on my bench. I have 
> a line on a beautiful old HP DSO that's a dream to use and has one built in but 
> there's no "decoding".
> 
> The counters in question have Nixie tubes in them. Some go down to 1Hz so 
> they're not bad for fooling around with trans-AF. I have an LED model that I'll 
> practice on first.
> 
> 
> Terry Bowman, KA4HJH
> "The Mac Doctor"
> 
> https://www.astarcloseup.com <https://www.astarcloseup.com>
> 
> #1: There is no substitute for good tools;
> 
> #2: Always use the right tool for the job.
> 
> Linn Westcott
> 
> 
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