B
[email protected]
- Jan 1, 1970
- 0
Hi All,
I have a embedded system that includes CPU/RAM/FLASH/UART/Wireless
Chip... etc.
When I measured the voltage of ground:
Scope's gnd point to ground A, another point ( red, should I say
postive measuring point?) point to another ground - B ( but they should
be the same voltage )
When my system is running, decoding/transmitting ...etc, I can see the
voltage of ground is abruptly changing,..., not keep in the 0V.
Does it correct? and Why? should I add more circuit to stabilize it ?
Best regards,
Boki.
I have a embedded system that includes CPU/RAM/FLASH/UART/Wireless
Chip... etc.
When I measured the voltage of ground:
Scope's gnd point to ground A, another point ( red, should I say
postive measuring point?) point to another ground - B ( but they should
be the same voltage )
When my system is running, decoding/transmitting ...etc, I can see the
voltage of ground is abruptly changing,..., not keep in the 0V.
Does it correct? and Why? should I add more circuit to stabilize it ?
Best regards,
Boki.