Agilent Technologies Agilent RF Switch Driver Board U2121A-101 User Manual
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U2121A-101 Operating Guide
To set digital output.
1 To enable digital output control, set Ch14 to ON (1).
2 For channel 1 to channel 5, only activated one bit at a time. Do
not activate both bits together because this will damage your RF 
switches.
3 Some RF switches will need pulse current control instead of
continuous current control. Please refer to the respective RF 
switches' datasheets for more information. The wrong control 
method will lead to RF switch damage.
N O T E
•
Prolonged exposure to a continuous supplied current will cause overheating in 
your RF switch. Please ensure your devices temperatures are constantly 
monitored when supplying continuous current.
•
Refer to the Agilent U2121A-Based RF Switch Driver COM Object Help File for 
more information.
U2931A Operating Guide.book Page 30 Tuesday, June 10, 2008 10:17 AM
