[sdiy] Logic Analyzer Advice

[Andy Lambert]

I really like the Intronix Logic Port PC based system. The hardware can
often be found to cheap on eBay.

https://www.pctestinstruments.com/

On Fri, May 16, 2025, 1:41 PM charlie <charlie at finitemonkeys.com> wrote:

> sigrok is a great resource. https://sigrok.org/wiki/Main_Page the
> protocol decoders page will give you a lot of examples of what can be done
> and lots of hardware on there to choose from.
>
> https://sigrok.org/wiki/Supported_hardware#Logic_analyzers
>
> you can get them super cheap since its basically a usb  gpio gateway i've
> seen them as cheap as 10-1$ usd on amazon
>
> On Fri, 16 May 2025 at 10:26, Terry Bowman via Synth-diy <
> synth-diy at synth-diy.org> 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
>>
>> #1: There is no substitute for good tools;
>>
>> #2: Always use the right tool for the job.
>>
>> Linn Westcott
>>
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