FUNCtion Subsystem
12
Keysight 8990B Programming Guide
373
Parameter
Example
Remark
This command is only applicable for channel pair 1 and 4 or 2 and 3. If an invalid
channel pair is specified, the resulting unit will be undefined (UDF). For example,
dBm + V = UDF.
Item
Description/Default
Range of values
character_data
Sets the source as:
– CHANnel<n>
– WMEMory<n>
– CONStant
where n = 1, 2, 3, or 4
CHANnel<n>
WMEMory<n>
CONStant
numeric_value
A numeric value as constant.
– Default: 1
– Minimum: 100
μ
– Maximum 10 k
100
μ
to 10 k
FUNC1:SUBT CHAN2,CHAN3
This command subtracts the values of channel 3
from the values of channel 2.
Summary of Contents for 8990B
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