“Factors to Consider with UV LED Measurements” LEDs Magazine Webinar November 18, 2021
UV and UV-C LEDs exhibit a transient voltage effect that increases Vf during the first few milliseconds of operation. While…
News and Articles
“Practical Implementation and Applications of DCP Measurements” to be presented at CORM November 16, 2021.
The new Differential Continuous Pulse (DCP) measurement method is a powerful tool that can speed and simplify challenging LED and…
Use SpikeSafe 400 Pulsed Source to Power and Test LED modules to 400V
The SpikeSafe 400 pulsed source is ideal for powering and testing LED modules with series circuits up to 400V. Test…
Use Vektrex Fast Pulsed SMU to Beat the Heat
Vektrex SMU used to evaluate effectiveness of industry test methods. Device junction heating distorts measurements, causing L-I curves to droop…
Instrument Systems Announces Short Pulse Testing Capability
Reliable short-pulse measurements require pulsed current sources with fast rise and fall times in conjunction with spectroradiometers having measuring times…
Short-Pulse Testing Eliminates Self-Heating Errors to Produce True L-I Graphs
Since the rise of LEDs as the preferred light source, accurate determination of their parameters has become crucial. One of…
Current Source Induced LED Photometric Measurement Variations Presentation at CORM
Jeff Hulett, Vektrex CTO, discussed Current Source Induced LED Photometric Measurement Variations at CORM...
Happy Holidays from Vektrex
Our friends in China have introduced us to a symbol (危机) that indicates challenge and opportunity. This symbol we equate…
UV LED Thyristor Effect
The SpikeSafe SMU was used to resolve a question regarding UV LED testing that was vexing the IES working group:…