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March 30, 2020  |  By Teramics In Articles, Resource Library

K-Band Doherty and Class AB Gallium Nitride MMIC Power for Space Application

international-space-station-548331_1280

Abstract

This paper compares the performance of Class AB and Doherty Gallium Nitride (GaN) Power Amplifier (PA) MMICs at 19GHz. The MMICs have been designed in the same process and fabricated on the same wafer to enable the ability for direct performance comparison. Measurements of the AM/AM and transfer curves, Linearity, and Power Added Efficiency have been made for each MMIC PA. Finally an assessment of these performance parameters with respect to output power backoff (OBO) will be presented to help normalize the comparison. To the authors knowledge this is the first time these power amplifier architectures have been compared at these frequencies (2). Additionally, to the best of the author’s knowledge the performance for these amplifiers show state of the art PAE for GaN PA MMIC amplifiers at these frequencies.

K-Band-Doherty-and-Class-AB-Gallium-Nitride-MMIC-Power-for-Space-Application

article gallium nitride k-band mmic mmwave power amplifiers space teramics

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    K-Band Doherty and Class AB Gallium Nitride MMIC Power for Space Application
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    Teramics Develops mmwave Packages To 60 GHz

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Teramics is a leading high-performance mmwave technology company dedicated to solving the most challenging engineering problems. Headquartered in the heart of Silicon Valley, CA, Teramics is certified to the ISO9001 international quality standard and ISO14001 environmental management standard.

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Teramics offer design services, custom designs and manufactures mmwave semiconductor products for mmwave market, Ku, K, Ka, Q, V, E and W bands, 400 and 600 Gbps Data Centers, 5G mmwave Telecommunication and Industrial and Defense applications.

Recent Articles

  • international-space-station-548331_1280
    K-Band Doherty and Class AB Gallium Nitride MMIC Power for Space Application
  • Test_System1
    Teramics Develops mmwave Packages To 60 GHz

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