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Getting Started with DPOPWR 3. In the Power Device tab, click Switching Loss. Now 8. The application displays results for the measurement.
click Configure.
You can use this side of the Quick Reference to start taking
measurements with the Power Measurement and Analysis
Software (DPOPWR). The other side contains a complete
menu tree for DPOPWR software.

NOTE. For complete operating instructions
and General Safety information, refer to the
online help for the application.

The DPOPWR Power Measurements and Analysis software
transforms a digital oscilloscope into an analysis tool that
measures and analyzes power dissipation in power supply 4. Click the arrow adjacent to Sources to view the Source
switching devices and magnetic components. It then Configuration Panel.
9. To generate a report, select the Report button. Select the
generates detailed test reports in customizable formats. template in the Generate Report tab.
Performing a Switching Loss Measurement 10. Select the Generate button to post the test data to the
template.
To measure Switching Loss, follow these steps:
1. Select Analyze> Power Analysis> Select in the
oscilloscope menu bar.
2. Connect the probes to the device under test. The test
setup for Switching Loss is as shown.

5. Select the source (Channel, Math, or Ref) and assign the
Voltage and Current channels.

NOTE. When connecting to a circuit with 6. Click the Deskew button if necessary.
hazardous voltages, refer to the warnings for 7. Click the Single button to start running the
the individual products and verify that the measurement. If the measurement is successful, the
probes and other components are used within application automatically displays the results. You can
their ratings. also select the Results button to view the results.

For up-to-date information on Tektronix oscilloscope Recommended Accessories
solutions for Power Measurement, access the Deskew Fixture - 067-
- -1686-
-xx
www.tektronix.com/power Web page.
Current Probes - TCP2021, TCPA3001, with TCP312,
-
DPOPWR Ordering Information TCP305, TCP303, TCPA4001 with TCP404XL, AM503B
The DPOPWR application is compatible with the following with A6312, A6302, A6303, P6021 or P6022, TCP0030.
oscilloscopes: Differential Probe - P52051, P52101, P52001 and
-
H DPO7354 ADA400A1.
H DPO7254
1Probe adapter - TPA-
- -BNC (TekVPIt to BNC adapter).
H DPO7104
H DPO7054
H DPO/DSA70000 series
When ordered along with DPO7000 and
DPO/DSA70000 Series Oscilloscope
DPO7000 and DPO/DSA70000- Opt. PWR
-
Includes: Application CD and electronic documentation.
After-
-purchase upgrade
DPO7UP - Opt.PWR
-
DPOPWR
Power Measurement and
Inductance Measurement Results Analysis Reference

www.tektronix.com
*P071190203*
071-1902-03
Menu Tree
Select

Configure
Measure Power Analysis
Results

Report Tab Switching Switching Loss | Hi-- Power Finder | SOA | SOA X-- Y | dv/dt | RDS(on) | di/dt
Analysis
Power Device
Modulation Pulse Width | Period | Duty Cycle | Frequency
Analysis
Magnetics Inductance | Magnetic Loss | Magnetic Property | I Vs Integral V
Select

Input/Output Input Analysis Power Quality | Current Harmonics | Total Power Quality
Analysis
Output Analysis Line Ripple | Switching Ripple | Spectral Analysis | Turn On Time

PWM Type
Tab Cursor Gating
Device
Type
Type
RDS(on)
Switching
Analyze Power Analysis Configure
Loss Edge Source
On-- Off Level Ton and Toff Levels
Results
Options Filter Current | Signal Condition | Switch On | Vg Level | Details
Report
Tab
Deskew PWM Type
Type Details
SOA Hi-- Power Edge Source
Finder On-- Off Level
Overlay Ton and Toff Levels

Options Filter Current | Switch On | Vg Level | Details

Cursor Gating
SOA Mask
SOA X-- Y Utility

Enable
Tab
dv/dt
di/dt Edge Level Ch
Voltage Ref
RDS(on) Math Destination Math Math Setup

Edge Level Tab
Pulse Polarity Ch
Width Enable Gating Source Ref
Current
Ref Dest Configuration Math Math Setup
Panel I-- Probe Setting
Period Edge Type
Frequency Edge Level Tab
Enable Gating Ch
Ref Dest Gate Ref
Math Math Setup
Edge Type
Edge Level
Duty Cycle Polarity
Enable Gating Clear
Ref Dest Sequencer Recalc
Single
Inductance Edge Source Run

Magnetic Cursor Gating
Loss Details Define Test Template
Reports Define Report Layout
Tab Freq and Duty Generate Reprot
Type and Cursor Gating
Edge # of Windings
Source Edge Source
Magnetic
Property
# of Turns
Units
Physical CrossSection Area (sqm)
Chars Magnetic Length (m)
Multiple Windings
I Vs Integral V
Math Wfm Destination
Power Quality
Type
Tab Line Frequency
Class
Current Standard Harmonic
Harmonics
I-- Probe Use Impedance Table
Total Power Impedance Impedance
Quality Edit
Math Math Wfm Destination
Destination
Line Ripple Coupling | Bandwidth Limit | Ripple Freq | Acquisition Mode

Switching Ripple Coupling | Bandwidth Limit | Switching Frequency | Acquisition Mode

Spectral Analysis Frequency | Window Type | ResBW(Hz) | Options
Tab
Input Convertor | Source | Max Turn On Time
Turn On Time
Output Source1 | Source2 | Source3

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