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Ground or earth is the reference point in an electrical circuit from which other voltages are measured, or is a common return path for electric current, or a direct physical connection to the Earth.

1 vote

Aluminum project box: should BNC conenctors touch it?

Answering the question: don't isolate the ground. But also consider using separation transformers/baluns. …
Tomas D.'s user avatar
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1 vote

Two chip antennas, same ground plane?

However, the antennas are usually designed to be effective on the particular frequency, so I believe there will be no problems using the same ground plane. … Just remember to "sew" the GND plane around high frequency signal and add as much VIAs as possible to connect all the ground signals. …
Tomas D.'s user avatar
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