All Questions
5
questions
0
votes
2
answers
85
views
Non-zero voltage measured across shorted positive and negative differential probes tied to a single circuit node
If I place the positive and negative probe tips of a differential probe on the same location, and therefore the same node, (such as sharing a test point), I would expect to read a zero voltage.
What ...
- 437
4
votes
2
answers
2k
views
Oscilloscope probe noise
I am trying to measure a DC signal in the mV range.
Below is the waveform I get after I connect the oscilloscope to its probe and without connecting it to anything:
I am getting a ripple like ...
user220456
3
votes
2
answers
956
views
Oscilloscope alligator clip vs spring noise
I am measuring the the power supply rail provided by a small integrated isolated DC-DC converter taking 5v to 15v. The package looks like as follows:
When I measure the output using an ...
- 489
3
votes
1
answer
576
views
What effect does a logic analyzer probe have on a circuit?
I have an MCU controlling a LED sign. This sign speaks the HUB75 protocol, which is essentially a large shift register. Being a shift register, this requires a clock signal to be generated, which the ...
- 131
11
votes
7
answers
3k
views
Good uses for 1:1 probe
We all know why using a properly compensated 10:1 probe is a must when viewing MHz-speed signals on a scope with a 1 MOhm input impedance. Now who can supply a good use for a 1:1 probe? These probes ...
- 981