Model 2651A High Power System SourceMeter® Instrument Reference Manual Section 3: Functions and features
2651A-901-01 Rev. A / March 2011 3-5
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 Remote commands (on page 5-1) for details
about commands.
Filter commands
Commands Description
smua.measure.filter.count = count
Set filter count (1 to 100).
smua.measure.filter.enable = smua.FILTER_ON
Enable filter.
smua.measure.filter.enable = smua.FILTER_OFF
Disable filter.
smua.measure.filter.type = smua.FILTER_MEDIAN
Select median filter type.
smua.measure.filter.type = smua.FILTER_MOVING_AVG
Select moving average
filter type.
smua.measure.filter.type = smua.FILTER_REPEAT_AVG
Select repeat average filter
type.
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
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