All Questions
7 questions
0
votes
1
answer
95
views
To which ground should TVS or ESD diodes connect?
I am designing a circuit with both signal ground and earth. As far as I know, a TVS should be connected to the earth.
What if there is a huge voltage different between the ground and the earth?
Let ...
- 21
0
votes
1
answer
242
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Correct configuration for adding an earth terminal block?
I have a small motor controller test board setup like the diagram below:
A few loads such as a motor controller, and some switches are connected to the live and neutral terminal blocks for power. ...
10
votes
1
answer
3k
views
How many "grounds" are there and what is the difference?
I stumbled upon many terms for ground, naturally as newbie I got very confused.
ground earth
chassis ground
earth ground
common ground
signal ground
Are there any more?
I assume some are for AC and ...
- 419
0
votes
2
answers
106
views
Do automobile DC systems sport a device synonymous to the electrical infrastructure that we call Earth Ground wiring in standard household AC systems?
In automobile DC circuits, the chassis is typically connected to the negative battery terminal and, thus, the chassis provides the infrastructure for closing the DC circuit. In diagrams, this is often ...
3
votes
1
answer
898
views
Right way to couple DGND to Chassis ground
So we all know certain things:
DGND (and subsequently AGND) needs to be coupled to Chassis ground, or Earth at one position, at least, in a device.
The Earth is otherwise considered as a hazardous ...
- 41
1
vote
1
answer
10k
views
Proper Chassis Grounding
I'm starting to design things that run off mains voltage and I want to be sure that I have a proper connection from my chassis to earth ground.
I've been reading a bit about proper grounding and have ...
- 501
5
votes
2
answers
7k
views
Grounding the chassis with capacitor
My question involves chassis grounding to earth ground.
My PCB circuit is a simple signal generator using a microcontroller. It has a separate 'ground' from earth ground, supplied by a floating 5VDC ...
- 171