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SDS3000X HD Series Digital Oscilloscope User Manual
int.siglent.com 235
29.12 Power Efficiency
Power efficiency analysis can test the overall efficiency of the power supply by measuring the output
power and input power. This analysis is only supported on 4-channel models because all of the input
voltage, input current, output voltage, and output current are necessary for the measurement.
Connection Guide
Touch Signal > Connection Guide to recall the connection guide of power efficiency, as shown
in the figure below. Please follow the instructions in this figure for connection. Touch the icon on the
top right of the guide to close.
29.13 SOA
The safe operating area (SOA) of MOSFETs defines the voltage, current, and power consumption
conditions over which the device can be expected to operate without self-damage. The oscilloscope
can automatically generate the SOA according to the Voltage Limit , Current Limit , and
Power Limit parameters set in the Config menu, and judge if the stress on the MOSFET is
beyond the SOA or not. This helps the designers to quickly find a problem or latent risk in the circuit.
Connection Guide
Touch Signal > Connection Guide to recall the connection guide of power efficiency, as shown
in the figure below. Please follow the instructions in this figure for connection. Touch the icon on the
top right of the guide to close.
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