5-4
Pulse Width
The default settings when the Positive Width (PW) command is sent to the 2251A, in
addition to the above common settings, are:
COMMAND
Parameter Set
TI
Time Interval
APS
Positive Slope, Channel A
BNS
Negative Slope, Channel B
ADC
DC Coupled, Channel A
The following commands, when sent to the 2251A while Positive Width (PW) is enabled will
cause the following changes in setup:
COMMAND
Parameter Set
ANS
The 2251A will change to Negative Width (NW) mode returning a
header of NW. Channel A will have negative slope enabled and
Channel B will have positive slope enabled.
BPS
The 2251A will change to Negative Width (NW) mode returning a
header of NW. Channel A will have negative slope enabled and
Channel B will have positive slope enabled.
The default settings for a Negative Pulse Width (NW) command, in addition to the above
common settings, are:
COMMAND
Parameter Set
TI
Time Interval
ANS
Negative Slope, Channel A
BPS
Positive Slope, Channel B
ADC
Channel A, DC Coupled
The following commands, when sent to the 2251A while it is in the Negative Width (NW)
mode will cause:
COMMAND
Parameter Set
APS
The 2251A will change to Positive Width (PW) mode and return a
header of PW. Channel A will have positive slope enabled and
Channel B will have negative slope enabled.
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