Please select To the mobile version | Continue to access the desktop computer version

Electronic Engineer Discuss

View: 6637|Reply: 0

Unremovable bias on 4202C

[Copy link]

1

Threads

1

Posts

1

Credits

新手上路

Rank: 1

Credits
1
Post time 2018-5-22 04:46:06 | Show all posts |Read mode
I have noticed a small constant positive offset in voltage readings on both channels in my new DSO4202C. The  offset is approximately 1mV and disappears when I switch to GND coupling mode. But in both DC and AC (!) coupling modes it is present regardless of short or open circuit at inputs. Self calibration did not help to remove it. Please tell, is this normal and can it be adjusted/fixed?
Reply

Use magic Report

You have to log in before you can reply Login | Register

Points Rules

Dark room|Mobile|Archiver|Electronic Engineer Discuss

2024-3-29 02:15 GMT+8 , Processed in 0.157745 second(s), 21 queries .

Powered by Discuz! X3.2

© 2001-2013 Comsenz Inc.

Quick Reply To Top Return to the list