Suggestions for descent logic probe/pulser

Discussion in 'General Electronics Chat' started by john74, Mar 23, 2016.

  1. john74

    Thread Starter New Member

    Aug 22, 2015
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    Hello, Im looking to buy a logic probe logic pulser, seems like they're a lot of em that combine them in one...which seems like it would be ideal. Been looking around but seems like they're a lot of choices. Just wanting to ask if for suggestions on a good choice or brandname...one thats sensible easy to use. And of course covers CMOS logic levels highs n lows. Suggestions? Thank you so much
     
  2. InspectorGadget

    Active Member

    Nov 5, 2010
    211
    42
    I made a logic probe/pulse stretcher when I started out in electronics, and then never used it. I can tell so much more with a voltmeter and a 'scope. Of course, if you don't have a 'scope and you can't trigger on a pulse and need to know if a fleeting pulse is present, the pulse-stretcher can be useful.

    I just took a look at Amazon and there were a number of decent ones with high ratings in the $20 price range. Like anything else, I would look at Amazon reviews and see if people's expectations and experience with the product matches your own.
     
  3. dl324

    Distinguished Member

    Mar 30, 2015
    3,242
    619
    I've been a fan of the HP54xA series since the late 70's. The HP545A logic probe supports TTL and CMOS (3-18V). CMOS thresholds are a ratio of the supply voltage. The nice thing about this probe over all others I've seen is that it will indicate float. It will also detect 1uS+ pulses.

    The logic pulser is HP546A, current tracer is HP547A, and the logic clip is HP548A. The set cost $1500 when it was introduced, but can be had for ten cents on the dollar if you bargain shop.

    When I was a tech at HP, everyone had a scope at their workstation, but the 54XA probes were still used (and we only had one set for the whole line).
     
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  4. john74

    Thread Starter New Member

    Aug 22, 2015
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    Thanks so much for that suggestion...appreciate it
     
  5. john74

    Thread Starter New Member

    Aug 22, 2015
    9
    0
    Thanks for the suggestions and insight
     
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