Agilent 4155B/4156B User’s Guide Vol.2, Edition 5 3-37
Measurement Functions
Output Sequence
Simultaneous Mode
The simultaneous mode is available only for the sampling measurements.
In this mode, all enabled units start the specified outputs at the same time, and stop
the outputs in the opposite order of the OUTPUT SEQUENCE table.
Default output sequence defined in the OUTPUT SEQUENCE table of the
MEASURE: OUTPUT SEQUENCE screen is shown below. In the default settings,
output channels stop the output in the opposite order of the following:
1. SMU1
2. SMU2
3. SMU3
4. SMU4
5. VSU1
6. VSU2
7. PGU1
8. PGU2
Starting Outputs
In the idle state, output switches of all units are on, and the units output 0 V. When
moving to the measurement state, the units operate as shown below:
1. Disabled units keep 0 V output, and turn the output switch off.
where disabled unit means the unit you select the DELETE ROW softkey in the
CHANNELS table on the CHANNELS: CHANNEL DEFINITION screen.
2. Output channels start the output at the same time.
Stopping Outputs
When returning to the idle state, the units operate as shown below:
1. Output channels stop the output in the opposite order of the OUTPUT
SEQUENCE table.
2. Disabled units keep 0 V output, and turn the output switch on.