Tagged Questions
7
votes
1answer
214 views
Best place to place a decoupling capacitor
See this image which gives four options to place decoupling capacitors:
(from http://www.learnemc.com/tutorials/Decoupling/decoupling01.html)
I would say option (d) isn't good - I would recommend ...
3
votes
1answer
571 views
Are small valued capacitors effective in the device power input?
I am really confused with all of the ground bounce, decoupling, bypassing, filtering, resonance and ESR&ESL stuff.
What I currently understand is:
Ground bounce occurs when the (capacitive ...
6
votes
2answers
232 views
Adequate decoupling / noise reduction for two accelerometers?
This is my first PCB, so please forgive some of my ignorance! I'd like to mount two accelerometers (ADXL193: +/- 250g), orthogonally, on the same PCB, and have a question about noise.
The current ...
3
votes
2answers
396 views
Bypass capacitors for BGA packages
We have designed quite a few FPGA-based boards, and so far, we have used a lot of bypass capacitors. Our rule of thumb was, "as many as we can".
In our next design, we would like to reduce the part ...
5
votes
7answers
1k views
Bypass capacitors needed in low-frequency digital logic systems?
I know it's good practice to use bypass capacitors near the power pins of your ICs, but I'm now moving on from the breadboarding stage to the PCB-design stage, and I'd like to know if there are any ...
