335 GHz unbalanced Schottky diode frequency tripler

1.Key Laboratory of Microwave Remote Sensing, National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China;2.University of Chinese Academy of Sciences,Beijing 100049, China;3.Nanjing Electronic Devices 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 hybrid integration method, a 335 GHz unbalanced frequency tripler is designed with a symmetrical tapered gradient line matching structure. Under the condition of ensuring single-mode transmission, the matching structure can not only fix the diode position, but also increase the matching effect, and thus solve the problem of narrow 3dB bandwidth for high-frequency band multiplier. The measured results show that the output power of the frequency tripler is all greater than 5 mW in the frequency range of 330-356 GHz. The maximum output power even reaches 11.2 mW at a driving power of 220 mW. The solid-state terahertz local oscillator, as the core device, can drive the 670 GHz sub-harmonic mixer in the superheterodyne receiver.

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LI Yu-Hang, ZHANG De-Hai, MENG Jin, QI Lu-Wei.335 GHz unbalanced Schottky diode frequency tripler[J]. Journal of Infrared and Millimeter Waves,2023,42(2):229~233

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  • Received:August 08,2022
  • Revised:March 10,2023
  • Adopted:September 21,2022
  • Online: March 07,2023
  • Published: