Design of a 1 030 GHz mixer and a 750~1 100 GHz tripler based on thin-film technology

1.CAS Key Laboratory of Microwave Remote Sensing, National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China;2.Science and Technology on Monolithic Integrated Circuits and Modules Laboratory, Nanjing Electronic Devices Institute, Nanjing 210016, China;3.Nanjing Chip Valley Industrial Technology Institute, Nanjing 210016, China

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Supported by the Youth Innovation Promotion Association CAS (E1213A041S); Pandeng Program of National Space Science Center, CAS (E0PD40013S)

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    Based on the GaAs process of Nanjing electronic devices institute, a 750~1 100 GHz tripler and a low loss 1 030 GHz sub-harmonic mixer have been completed. To improve the performance of the module, the parameter optimization of the device is introduced in the traditional design method of field circuit combination, and the mutual feedback relationship is established. Therefore, the whole design process establishes the closed-loop. The 3 μm thick monolithic circuit is supported in the cavity structure by using beam lead. The measured result shows that the output power of the broadband frequency multiplier is -23 ~ -11 dBm in the frequency range of 790~1 100 GHz. Using the above-mentioned frequency multiplier source as the RF signal to test the sub-harmonic mixer, the conversion loss is better than 17.5 dB in the frequency range of 1 020 ~ 1 044 GHz, and the minimum conversion loss is 14.5 dB at 1 030 GHz.

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MENG Jin, ZHANG De-Hai, NIU Bin, ZHU Hao-Tian, LIU Si-Yu, FAN Dao-Yu, CHEN Sheng-Tang, ZHOU Ming. Design of a 1 030 GHz mixer and a 750~1 100 GHz tripler based on thin-film technology[J]. Journal of Infrared and Millimeter Waves,2022,41(5):871~878

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  • Received:January 24,2022
  • Revised:September 08,2022
  • Adopted:March 21,2022
  • Online: September 05,2022
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