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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
(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