Configuring The 2520 To Use Continuous Pulse Mode - Keithley 2520 User Manual

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

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