Electronics > Beginners

Cheap/Good Logic Probe

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oPossum:

--- Quote from: Hero999 on November 25, 2010, 06:19:59 pm ---Who uses logic probes nowadays?

--- End quote ---

I use one almost as much as a 'scope.

Using a scope requires probing and then looking up at the scope display and possibly adjusting the controls. A logic probe is much faster for a quick check. No need to look away and adjustments right on the probe.

There is a big difference between a simple hi/low logic level indicator and a quality logic probe like the HP 545A. The ability to catch glitches, indicate rep rate, adjustable threshold, well diffused indicator, etc...


tyblu:

--- Quote from: Hero999 on November 25, 2010, 06:19:59 pm ---Who uses logic probes nowadays?
--- End quote ---
I use a simple logic probe more than any other measurement tool, including DMM, in embedded development. It's faster to use and read than any of them.

djsb:
Try to get a HP 547a (current tracer) HP 545a (logic probe) and 546a (logic probe) probe set if you can. They are quality tools that do come in handy.

David.

Mr J:

--- Quote from: tyblu on November 25, 2010, 07:42:41 pm ---
--- Quote from: Hero999 on November 25, 2010, 06:19:59 pm ---Who uses logic probes nowadays?
--- End quote ---
I use a simple logic probe more than any other measurement tool, including DMM, in embedded development. It's faster to use and read than any of them.

--- End quote ---
Yes I agree, I've tried to use multimeter in the past and there just to slow to read pulses. I still use a lot of 40XX and 74XX series logic in production.

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