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Extending the Output Power
The U2722A/U2723A is equipped with three dedicated channels of up to
20 V and 120 mA per channel.
Series connections
To increase the output voltage, tie two or more of the outputs in series as
shown in
available from a single output. Series connected outputs can be operated
with one load across the connected outputs or with a separate load for
each output.
When a series connection is used, the output voltage is the sum of the
voltages of the individual output. The current is the current of any one
output. Each of the individual outputs must be adjusted to obtain the total
output voltage.
SENSE OUTPUT GUARD OUTPUT SENSE SENSE OUTPUT GUARD OUTPUT SENSE SENSE OUTPUT GUARD OUTPUT SENSE
Positive (+) terminal of the device-under-test
Figure 2-13 U2722A/U2723A outputs connected in series
N O T E
U2722A/U2723A User's Guide
Figure 2-
13. This is to obtain a higher voltage than that
Output 1
+
+
–
• Ensure that the voltage (when source current) or the current (when
source voltage) is not clamped.
• Preferably, both are at the same current range.
Output 2
–
+
+
Negative (–) terminal of the device-under-test
Operation and Features
Output 3
–
–
+
+
2
–
–
49
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