Ken Wada, Author at

Ken Wada

As the president and owner of Aurium Technologies, an independent product design and consulting firm, Ken brings over 25 years of experience architecting and designing products and systems for various high-tech industries. His design experience includes such high-profile systems as the FASTRAK vehicle sensing system for toll roads and bridges and one of the 1st RAID servers while under contract for the National Security Agency. His expertise spans various disparate technologies from industrial automation, biotechnology, and high-speed optical networks. Ken has consulted for many small and large companies in the Silicon Valley area, and has been on the product design teams for three successful startups that have gone IPO. Ken holds four patents to his name. Three of the patents are in the biotech fields, and one deals with the rheological measurement of plastic feed stock material.

Current sources

Many times in an embedded system, we need to supply a constant or variable current to power a transducer, excite a sensor, or charge a…


Voltage references 101

Many embedded systems require a stable, low-noise DC reference. This reference can be a stable current or voltage source. These references are used in many…