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.
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What makes an active probe so expensive?
This question probably has a similar answer to Why are digital oscilloscopes still so expensive?. But why are active oscilloscope probes so expensive? I mean, they're hundreds, if not thousands of ...
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Is this a good design & layout of an active differential 'scope probe?
This question is an extension of Homebrew differential 'scope probe. I thought I should make this a new question though.
I need to measure a 100Mb/s LVDS signal to check its integrity. I will try to ...
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Homebrew differential 'scope probe
I may be able to get my hands on an old 600MHz LeCroy oscilloscope. However, it doesn't have any probes.
Is it feasible to make an active differential probe for it using a high-speed op-amp, like the ...
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Impedance of current probe
Does anybody know the impedance of the Tektronix A622 current probe? I don't find it neither on the datasheet, nor in the user manual...
EDIT: As requested, here is some extra info: I need the output ...
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How are cpus enumerated/identified/counted by BIOS and other low-level routines?
By what mechanism is a BIOS or a kernel able to "see" (enumerate,identify,whatever term is right) other CPUs in an SMP system? How is the boot CPU able to initialise and then "launch" the second or ...
Frederic
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Small signal probe
I like to buy 2 good probes to measure small signals (<20mV). I use a cheap Chinese scope (Rigol 100Mhz).
What should I pay attention in terms of specs of the probes? My signals are not very fast (...
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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 ...
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Circuit only works when o'scope probe is connected
I am working on a circuit with a PIC mcu and an LCD display on a breadboard. The PIC communicates with the display via I2C. For some reason I can only get the communication to work properly when my o'...
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What do you use to probe small circuits quickly?
I still haven't found a really good solution for grabbing tiny surface mount stuff.
Alligator clips are definitely way too big.
Mini-grabbers like this with the spring-loaded hook are an ok solution ...
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USB scope probe - request for comments and ideas
Idea:
Take one oscilloscope probe, and one USB cable. Cut the BNC connector off the oscilloscope probe, and the USB B connector off the USB jack and splice them together.
Mount all the USB <--> ...
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