Filter Configuration - Keithley 2520 User Manual

Model 2520 User's Manual
Figure 6-1
Averaging filter during sweep
Start = 10mA
Stop = 30mA
Step = 10mA
10mA Step
With filter count = 3, three delay-pulse cycles are performed at each sweep step.
Filter configuration
NOTE
1.
2.
Filter control
When filtering is being applied to the measured signals, the FILT annunciator will be on.
The FILTER key is used to control filtering. Pressing FILTER turns on the FILT annuncia-
tor to indicate that the filter configuration is being applied to all three measurements.
Pressing FILTER a second time turns the FILT annunciator off to indicate that filtering is
turned off.
Remote filter programming
Filter command
Table 6-6
details.
The average filter setting is global and affects all three measurements (laser
diode voltage and both detector current measurements).
Press the CONFIG key and then the FILTER key to access the filter configuration
menu.
L
Use the EDIT , ,
100), and press ENTER.
summarizes filter commands. See
20mA Step
M
and keys to set the display to the desired count (1 to
"SENSe subsystem," page
Range, Filter, and Math
30mA Step
14-27, for more
6-5