Author Topic: is x100 oscilloscope probe suitable for measure 5v digital circuit?  (Read 1548 times)

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Offline Porama6400Topic starter

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is x100 oscilloscope probe suitable for measure 5v digital circuit?
Are there any drawback doing that?
 

Offline Porama6400Topic starter

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Re: is x100 oscilloscope probe suitable for measure 5v digital circuit?
« Reply #1 on: January 31, 2019, 09:35:08 am »
Do high voltage probe got faster respond time?
If I just want to see brief voltage spike, is it going to work?
 

Offline Hydron

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Re: is x100 oscilloscope probe suitable for measure 5v digital circuit?
« Reply #2 on: January 31, 2019, 12:10:40 pm »
I'd normally recommend 10X probes for logic level stuff for noise reasons, but sometimes a 100X probe can be very useful to poke at sensitive nodes - they typically have significantly less capacitance than a 10X probe so disturb the circuit you're measuring less.
For general use a 10X probe is cheap enough that it's probably best to get some.
 
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Offline Fungus

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Re: is x100 oscilloscope probe suitable for measure 5v digital circuit?
« Reply #3 on: January 31, 2019, 02:03:43 pm »
If I just want to see brief voltage spike, is it going to work?

Yes.
 
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Offline Porama6400Topic starter

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Re: is x100 oscilloscope probe suitable for measure 5v digital circuit?
« Reply #4 on: February 01, 2019, 10:58:23 am »
So x100 probe will be more noisy but will have have lower interference?
 

Offline Fungus

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Re: is x100 oscilloscope probe suitable for measure 5v digital circuit?
« Reply #5 on: February 01, 2019, 01:50:27 pm »
So x100 probe will be more noisy but will have have lower interference?

lower capacitance.
 
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Offline Porama6400Topic starter

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Re: is x100 oscilloscope probe suitable for measure 5v digital circuit?
« Reply #6 on: February 01, 2019, 02:39:45 pm »
oh yea, my bad  :P
 


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