Double Pulse Measurements - Wolfspeed SPEEDVAL KIT HALF-BRIDGE MOD-MB-HB-0900V-40A User Manual

5.4. DOUBLE PULSE MEASUREMENTS

This section shows how to set up the SpeedVal Kit platform to take double pulse measurements.
Figure 28 shows the SpeedVal Kit platform with an air core inductor and all probes in place. The
necessary equipment is listed below (Figure 29). Note, if one of the optional control cards is being
utilized, a function generator is not needed.
Equipment needed for double pulse measurements

Digital oscilloscope (350 MHz or greater)

X100 oscilloscope voltage probe for measuring V

X10 oscilloscope voltage probe for measuring V

50 Ω BNC cable for measuring I

High voltage power supply for charging DC bus

12 V, 3 A power supply

Function generator for generating PWM or optional control card

Air core inductor
F 28: S
IGURE PEED
PRD-06829 REV. 1, December 2022
© 2022 Wolfspeed, Inc. All rights reserved. Wolfspeed® and the Wolfstreak logo are registered trademarks and the
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sponsorship or association.
DS
V K P ™ S
AL IT LATFORM ETUP FOR
SpeedVal Kit™ Half-Bridge User Guide
(350 MHz or greater)
DS
(350 MHz or greater)
GS
BNC to MMCX adapter (included)
x10 V
BNC to MMCX adapter (included)
T D P M
AKING OUBLE ULSE EASUREMENTS
Air core
inductor
x100 V
DS
probe
50Ω BNC cable +
probe with BNC fitting +
GS
31