A Ku-Band 100-W High-Power Amplifier MMIC Using 0.2-$\mu$m GaN Technology

Hui Liang Jin,Fei Yang,Hongqi Tao,Wei Xiao, Y. Zhou, Le Cai

IEEE Microwave and Wireless Technology Letters（2023）

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摘要

A Ku -band high-power monolithic microwave integrated circuit (MMIC) is presented using 0.2-

$\mu $

m GaN high electron mobility transistor (HEMT) technology. The high output power is achieved by a novel back-to-back topology to synthesize two sub-power amplifiers (sub-PAs). The MMIC demonstrates an output power of 50.2–50.8 dBm with a power gain of more than 18 dB and a power added efficiency (PAE) of 35%–41% at a drain voltage of 28 V (100-

$\mu $

S pulsewidth and 10% duty cycle) in the frequency range of 14–18 GHz. The chip size is 5.8

$\times$

6.6 mm

$^{2}$

. To the best of our knowledge, this output power is the highest reported to date for a 14–18-GHz GaN power amplifier MMIC at 28-V drain voltage.

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关键词

gan,ku-band,high-power

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