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Q&A

Posts tagged grounding

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70%
+5 −1
Q&A Minimizing Common Mode Radiation - Separating Grounds

There are various different methods to keep common mode currents off the cables, one of them being discussed on the site here and with Olin's decoupling caps post on StackExchange. Slight digressio...

1 answer  ·  posted 7mo ago by 2kind‭  ·  last activity 6mo ago by TonyStewart‭

66%
+4 −1
Q&A PCB ground planes with isolated voltage

I have designed a PCB that I need to work in which a microcontroller drives a 24 V brushed motor. The input power to the board is 24 V, this is then lowered to 5 V by a step down converter, and thi...

3 answers  ·  posted 1y ago by Alinik‭  ·  last activity 1y ago by KalleMP‭

71%
+3 −0
Q&A Is it always necessary to use the ground terminal of the oscilloscope probe?

Assume my oscilloscope is grounded, and the DUT is grounded as well (earth ground). I am using a standard 10 Mohm impedance 1:10 passive probe. So, the ground terminal of the probe is in fact con...

2 answers  ·  posted 2y ago by coquelicot‭  ·  last activity 2y ago by Andy aka‭

81%
+7 −0
Q&A High Speed Design - Which grounding strategy to choose?

Although I have done multiple PCB designs which passed FCC and CE equivalents using the MCU's/Multiple MCU's, I have a doubt about how to approach the high speed design using FPGA SoC - main thing ...

1 answer  ·  posted 2y ago by 2kind‭  ·  last activity 2y ago by Olin Lathrop‭