335 GHz unbalanced Schottky diode frequency tripler

1.Key Laboratory of Microwave Remote Sensing,National Space Science Center,Chinese Academy of Sciences;2.Nanjing Electronic Devices Institute

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Fund Project:

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 increase the matching effect while fixing the position of the diode, and improve the problem of the narrow 3 dB bandwidth of the high-frequency band multiplier. The measured results show that the output power of the frequency tripler is greater than 5 mW in the frequency range of 330-356 GHz. The maximum output power is 11.2 mW at a driving power of 220 mW. The solid-state terahertz local oscillator composed of it as the core device can drive the 670 GHz sub-harmonic mixer in the superheterodyne receiver.

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  • Received:August 08,2022
  • Revised:September 04,2022
  • Adopted:September 21,2022
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