Electrical Engineering Stack Exchange
Electrical Engineering Stack Exchange

Questions tagged [probe]

A physical device used to connect an electronic instrument (such as an oscilloscope) to a circuit in order to measure quantities such as voltage, current, temperature, etc. Use in conjunction with related tags such as "oscilloscope", "voltmeter", etc., as applicable.

A physical device used to connect an electronic instrument (such as an oscilloscope) to a circuit in order to measure quantities such as voltage, current, temperature, etc. Use in conjunction with related tags such as , , etc., as applicable.

See Wikipedia's article on probes for more information.

243 questions
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How are 500 MHz standard passive probes tested?

I would like to understand how a standard passive probe is said to have a bandwidth equal to 500 MHz. Actually what is the standard setup to qualify a passive probe? I found an article on Teledyne LeCroy which explains how to model a passive probe.…
Jess
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Oscilloscope Probe Compensation Not working

I just received an Owon SDS7102v 100 MHz oscilloscope. After checking out the menu structure I decided to compensate the probes. Channel 2 seems to work fine with either probe. [Channel 2 properly compensated, 20mV/div] Channel 1 on the other…
Ryan B.
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Probes with protection against slipping?

There have been a number of times when troubleshooting something where I have caused more damage than was originally there when my probe would slip off a test point and short some things together. So my little brain started churning. What about…
Russ
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Probable heat probe malfunction, how do I test it?

Disclaimer I'm not very sure about the stack where I'm suppose to post my question (between here and "Home Improvement" stack.) Question A few days ago my oven started beeping repeatedly when it was powered on. The beep is the power-on bit. After…
Hadock
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Build a high voltage probe to calibrate a 1.5 kV oscilloscope CRT supply voltage

I want to build a high voltage probe to calibrate my 1.5 kV oscilloscope CRT supply voltage. Will just use this probe once to calibrate the scope so I don’t want to spend $200 on a probe and I mind the safety risks that it may involve. Have seen…
GuiSoySauce
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Bed of Nails Test Points

FCT guy thrust into the ICT world. We build our fixtures using only 100mil and 75mil sockets. What are the smallest test points I can hit with a spear probe reliably? Also using the previous sockets what is the smallest via I can use for a test…
SpaetzleKing
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Is this type of scope probe homemade?

To reduce the loop area and noisepick up, the GND lead of the scope probe is very next to the tip in the below probe: I don’t have such probes and my scope probe GND leads are much longer alligator clips. Does the type of probe in the photo have a…
user1245
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how to make a kelvin probe?

Simple question, I have to make a Kelvin probe. We need to find how to make one on the internet. However, I don't know if there are other terminology, or if I'm searching in a wrong way, but I can't seem to find how to make one. What would be a…
Boby Bobber
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how does a Kelvin probe works?

I'm trying to understand how a Kelvin probes works, with 4 wires resistance measurement Since the wires are twisted, I get that it will cancel any magnetic fields, because the same current goes through them in opposite direction. However, how can we…
Cher
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