Diramics, a company founded in Zurich Switzerland in 2016 as a spin-off from ETH Zurich to bring ultra-low noise pHEMT technology from research to market, has been offering discrete bare die InP pHEMT transistors for ultra-low noise hybrid LNAs. These transistors have been used in cutting-edge applications from room temperature to all the way to 4K. Diramics has announced that they have advanced the development of an MMIC process based on their transistor technology to a point where they can present the first results from their current prototypes.
The plots below give some preview into the performance of the 5 MMIC LNAs designed and fabricated by Diramics. The circuits cover frequency bands ranging from 12 to 86 GHz, and the process is even suitable to cover the full W-band. All designs were optimized for room temperature but operation at cryogenic temperatures is possible.
In addition to Diramics’ own designs, they also fabricated custom MMICs designed by external partners in expectation of the PDK they will offer to allow customers to design their own circuits. This service will follow shortly after the official introduction of the MMIC LNA products.
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