CHANnel Subsystem
6
Keysight 8990B Programming Guide
171
CHANnel{2|3}:INPut <character_data>
This command sets the input coupling and impedance for channel 2 or 3.
Syntax
Parameter
Example
CHAN
Space
?
character_data
:INP
2
3
Item
Description/Default
Range of values
character_data
Sets the coupling and impedance as:
–
AC
: AC coupling, 1 M
Ω
impedance
–
DC
: DC coupling, 1 M
Ω
impedance
–
DC50
: DC coupling, 50
Ω
impedance. This is the default setting.
AC
DC
DC50
CHAN2:INP AC
This command sets the input coupling and
impedance to AC coupling and 1 M
Ω
respectively for
channel 2.
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