November 14, 2021
UV and UV-C LEDs exhibit a transient voltage effect that increases Vf during the first few milliseconds of operation. While…
October 26, 2021
The new Differential Continuous Pulse (DCP) measurement method is a powerful tool that speeds and simplifies challenging LED and laser…
October 3, 2021
The SpikeSafe 400 pulsed source is ideal for powering and testing LED modules with series circuits up to 400V. Test…
August 2, 2021
Vektrex SMU used to evaluate effectiveness of industry test methods. Device junction heating distorts measurements, causing L-I curves to droop…
June 2, 2021
Reliable short-pulse measurements require pulsed current sources with fast rise and fall times in conjunction with spectroradiometers having measuring times…
January 28, 2021
Since the rise of LEDs as the preferred light source, accurate determination of their parameters has become crucial. One of…
December 29, 2020
Jeff Hulett, Vektrex CTO, discussed Current Source Induced LED Photometric Measurement Variations at CORM...
November 12, 2020
The SpikeSafe SMU was used to resolve a question regarding UV LED testing that was vexing the IES working group:…
October 20, 2020
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