User Manual

Application examples
Tektronix reco
mmends to repeat the inrush current measurements by connecting
the DUT several times to capture the highest possible peak value. The highest
possible peak value occurs on the peak voltage cycle and it is important to capture
this point for the maximum inrush current. It is a lso important to wait a few
moments between connecting the DUT to allow the input capacitance on the
device to completely discharge.
Further settings if required
Data logging. The logging feature allows you to log repeated inrush current
events in the form of r aw data. Use the DATA OUT key to log data onto a flash
drive attached to the front panel USB connector. Turn on the d ata logging before
first connecting the device and run the data logging through repeated plug-in
events to capture a ll inrush events.
Screen save. The screen save function allows you to save the current screen
from the PA3000. This can be useful for quickly capturing the inrush current
readings. Press the SCREEN SAVE key to save the data as a .bmp file to a flash
drive connected to the front panel USB connector.
Method 2: Inrush current
measurements (PWRVIEW
software)
The PWRVIEW software makes it easy to quickly check inrush current
measurements on the measurement grid.
Figure 60: Inrush current measurement
1. Use the same test setup as with the preceding PA3000 direct e xample.
2. After making all of the power connections, connect the PA3000 to the
computer with the PWRVIEW software installed using the supplied USB
cable. Ethernet or GPIB ca n also be used, if desired.
136 PA3000 Power Analyzer User Manual