Keithley 2280 Series Reference Manual

Appendix B: Verification Series 2280 Precision DC Power Supply Reference Manual
B-40 077085503 / March 2019
Figure 111: 20 MHz voltage and current noise test setup
5. Set the oscilloscope as follows:
 1 mV/division
 1 MΩ input resistance
 20 MHz bandwidth limit
 AC coupled
 Autotrigger
 1 ms/div
 Set to measure V
p-p
and V
RMS
6. Set the DUT to the 100% full-scale output voltage.
7. Set the DUT to the 100% full-scale output current.
8. Turn the DUT output on.
9. Enter the oscilloscope measurements in the Voltage noise at 20 MHz table for checking noise at
20 MHz.

Keithley 2280 Series Specifications

General

Brand	Keithley
Model	2280 Series
Category	Power Supply
Language	English