Power Supply Function
5. Press [On/Off] on the front panel to turn on the output.
6. According to the selected trigger method (same as the trigger method of the
LIST function), for example, press [Shift]+[On/Off](Trigger) to trigger the
output of the waveform.
U
max,dyn
Test Pulse
Detect the function when the DUT is under maximum dynamic Voltage U
max,dyn
,
and simulate the maximum dynamic Voltage of high-energy pulse raised from
throw load in 42V electrical system, where the upper limit is the protection volt-
age of throw load.
After turning on [On/Off] and triggering the waveform output, the instrument will
apply a test pulse to the DUT, as shown below:
• t: Time (in ms)
• U: Voltage (in V)
Supply Voltage Transient Drop
Simulate the affect from short circuit when fuse element of another circuit is
melt. Detect the function status of the DUT at transient drop of Voltage.
After turning on [On/Off] and triggering the waveform output, when the given
test pulse is applied at all input terminals of the DUT, the rise and fall time be-
tween U
low
and 16V level shall not be longer than 100ms.
Copyright © Itech Electronic Co., Ltd.
101
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