All Questions
Tagged with test operational-amplifier
5
questions
1
vote
2
answers
244
views
How do I establish if an op-amp is bad?
I have a JRC2374 SOIC8 IC on my board which is not powering up. The IC seems to be involved in the power regulation switching operation. Here are the internals from the datasheet:
I know little ...
- 51
0
votes
1
answer
190
views
LM4562 test not working
I got some LM4562 op-amps a few months ago and finally had time to test my audio project, and I realized that this schematic based on some others on the network is not working.
I tried to listen to ...
- 5
-3
votes
1
answer
95
views
Resistance tester
I would need to create a simple tester with battery supply that compares resistance of specific wire with reference (approximately 4 ohms) and determines if the wanted resistance is in desired range. ...
2
votes
3
answers
5k
views
How to test op amp stability?
I've got a circuit I'm developing using an op amp to drive a power MOSFET for an electronic load:
I'd like to test it for stability, but I don't have enough experience to know what perturbations are ...
- 7,172
4
votes
1
answer
533
views
CMRR test methodology and effect of open loop gain
I am trying to test the CMRR of opamp and so measuring offset variation across Common mode range in unity gain mode. I have gone through many articles on CMRR measurement. All those are suggesting a ...
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