Section 3: Performance Verification
Model 2231A -30 -3 Triple
-Channel DC Power Supply Performance Verification
3-8
077102700 / July 2014
Table 17: DC current load regulation
Means @ Means @ Means @ Maximum
Instrument min volts ref volts Max volts Ref-Min Max-Ref Largest difference
Channel 1
--------
-------
--------
--------
---------
---------
0.003120A
Chann el 2
--------
-------
--------
--------
---------
---------
0.003120A
Channel 3
--------
-------
--------
--------
---------
---------
0.003400A
Table 18: Voltage noise at 7MHz
Voltage test Measured Maximum Measured Maximum
Instrument load R1 RMS RMS pk-pk pk-pk
Channel 1 40
Ω
Ω
Ω
----------
1mV
---------
5mV
Channel 2 40
----------
1mV
---------
5mV
Channel 3 2.5
----------
1mV
---------
5mV
Table 19: Voltage noise at 20MHz
Voltage test Measured Maximum Measured Maximum
Instrument load R1 RMS RMS pk-pk pk-pk
Channel 1
40
Ω
----------
6mV
---------
20mV
Channel 2
40
Ω
----------
6mV
---------
20mV
Channel 3
2.5
Ω
----------
6mV
---------
20mV