Keithley 2520, User Manual, Page: 319 / 329

Model 2520 User’s Manual Continuous Pulse Mode I-3
Minimum Duty Cycle
PW = 500ns
PD = 500ms
DC% = 500
×
10
-9 ×
100 = 0.0001%
0.5000005
Configuring the 2520 to use Continuous Pulse Mode
Front panel
Set up pulse mode and triggering:
1. Press CONFIG key, then TRIG.
2. Select INIT then press ENTER.
3. Select OFF then press ENTER.
4. The 2520 should be at the CONFIGURE TRIGGER MENU. Select COUNT then
press ENTER.
5. Select CONTINUOUS-PULSE then press ENTER.
6. Press EXIT key to exit CONFIGURE TRIGGER MENU.
Set the desired Pulse Width:
1. Press the PW key.
2. Use the EDIT keys ( ) to set the desired pulse width. Press ENTER when
finished.
Set the desired Pulse Delay (in other words Pulse off time):
1. Press the DELAY key.
2. Use the EDIT keys ( ) to set the pulse delay to 000.33ms. Press ENTER
when finished.
Set the desired current source value:
1. Press the I
L
key.
2. Use the EDIT keys ( /) to set the desired current value. Press ENTER
when finished.
To turn on the continuous pulse mode:
1. Press ON/OFF OUTPUT key to turn outputs on (blue OUTPUT indicator turns
on).
2. Press the TRIG key. The 2520 is now outputting pulses, with the first line of the
display reading, "Continuous Pulse."
To turn off the continuous pulse mode:
1. Press EXIT key.
2. Press ON/OFF OUTPUT key to turn outputs OFF.