Wyeast Technology, LLC

Wyeast Technology, LLC provided instrumentation to satisfy the special requirements of power electronics manufacturers and end users.

Wyeast Technology
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Intelligent Instrumentation for Power TM


Please Note: By unanimous consent of partners, Wyeast Technology, LLC was dissolved on December 31, 2005. I may be able to provide support for existing customers and products on a case-by-case basis.


The story of Wyeast Technology:

Wyeast created a thermal measurment and power cycling system for power MOSFETs.

Alex Faveluke did the instrumentation design and hardware and firmware design on the 354A.

Ryan Mitchell did a host side GUI which provided comprehensive supervisory, RDBMS logging, and reporting features.

The hosts we used were mini-ITX systems running Linux and MySQL. They worked extremely well. While not quite what we'd anticipated, most customers simply sent themselves email of our generated reports to sling the data to other machines. The platform aspects were quite transparent.

The 354A was a successful instrument. One of our customers solved a very serious problem for a $500K account by discovering and clearly documenting differences in power cycling performance of heat sink interface materials. This was done the very first day our instrument was on their bench. Another instrument was used extensively by an international customer to characterize Rtj-c/Rtj-s performance for datasheets, and verify power cycling performance of their product.

Ryan and I poured a lot of time into this venture. We had great positive margin on the actual product, excluding development time and administrative overhead. Unfortunately, the Cycler was not something that we found easy to explain in an elevator. You are invited to take a look at the product page, the brochure, and the 354A user's manual to understand what the 354A was all about.


Designed specifically for the test and measurement needs of power electronics applications, our instruments energized semiconductors under real-world conditions and directly measured physical responses.