Keithley 2651A Reference Manual page 112

Model 2651A High Power System SourceMeter® Instrument Reference Manual
To configure the filter:
1. Press the CONFIG key and then the FILTER key.
2. Select TYPE, and then select filter type: AVERAGE or MEDIAN.
• AVERAGE: Use this menu item to select an averaging filter, then select the averaging filter type:
MOVING or REPEAT.
• MEDIAN: Use this menu item to select a median filter. The MOVING filter type is the only option.
3. Select COUNT, and then specify filter count (1 to 100 readings).
Filter commands
The following table summarizes filter commands. See
about commands.
Filter commands
Commands
smua.measure.filter.count = count
smua.measure.filter.enable = smua.FILTER_ON
smua.measure.filter.enable = smua.FILTER_OFF
smua.measure.filter.type = smua.FILTER_MEDIAN
smua.measure.filter.type = smua.FILTER_MOVING_AVG
smua.measure.filter.type = smua.FILTER_REPEAT_AVG
Filter programming example
The programming example below illustrates how to set the following filter aspects:
•
Filter type: Moving average
•
Filter count: 10
•
Filter state: Enabled
-- Program count to 10
smua.measure.filter.count = 10
-- Moving average filter type.
smua.measure.filter.type = smua.FILTER_MOVING_AVG
-- Enable filter.
smua.measure.filter.enable = smua.FILTER_ON
2651A-901-01 Rev. A / March 2011
Section 3: Functions and features
Remote commands (on page 5-1) for details
Description
Set filter count (1 to 100).
Enable filter.
Disable filter.
Select median filter type.
Select moving average
filter type.
Select repeat average filter
type.
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