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A broadband terahertz harmonic mixer

A harmonic mixer and terahertz technology, which is applied in the solid-state terahertz field, can solve the problems of inability to meet the design requirements of terahertz high frequency and broadband, and achieve the effect of high applicable frequency range, reducing the difficulty of implementation, and reducing the resonance point.

Active Publication Date: 2018-09-07
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

[0008] The purpose of the present invention is to provide a wide-band terahertz harmonic mixer, which solves the problem that traditional inverted diodes cannot meet the design requirements of terahertz high-band wide-band, solves the problem of manual assembly of diodes, and removes Gallium arsenide substrate, to achieve the design purpose of broadband

Method used

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  • A broadband terahertz harmonic mixer
  • A broadband terahertz harmonic mixer

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Embodiment 1

[0037] Such as figure 1 and figure 2 shown.

[0038] A broadband terahertz harmonic mixer, comprising a cavity structure, a radio frequency waveguide 2, and a local oscillator waveguide 7, the cavity structure crosses the radio frequency waveguide 2 and the local oscillator waveguide 7, and a quartz substrate is arranged in the cavity structure 10. On the front surface of the quartz substrate 10, a pair of Schottky diodes 4 with the gallium arsenide substrate 16 removed is arranged. The pair of Schottky diodes 4 includes two symmetrical diodes, and the front sides of the two diodes all have metal anodes 14 , the two diodes are diode A and diode B respectively, and also include a front-end circuit and a back-end circuit arranged on the quartz substrate 10, wherein, the front side of the metal anode 14 of the diode A is provided with a gold wire A43, and the gold wire A43 is connected to the front-end Circuit connection, the metal anode 14 of the diode B is provided with a go...

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Abstract

The invention discloses a broadband terahertz harmonic mixer, which comprises a cavity structure, a radio frequency waveguide, and a local oscillator waveguide. The cavity structure crosses the radio frequency waveguide and the local oscillator waveguide, and a quartz substrate is arranged in the cavity structure , on the front surface of the quartz substrate, a pair of Schottky diodes with gallium arsenide substrate removed is arranged, and the pair of Schottky diodes includes two symmetrical diodes, both of which have metal anodes on the front, and the two diodes are Diode A and diode B also include a front-end circuit and a back-end circuit arranged on a quartz substrate, wherein a gold wire A is arranged on the front side of the metal anode of the diode A, and the gold wire A is connected to the front-end circuit, and the metal anode of the diode B is A gold wire B is arranged on the front, and the gold wire B is connected with the back-end circuit.

Description

technical field [0001] The invention relates to solid-state terahertz technology, in particular to a broadband terahertz harmonic mixer. Background technique [0002] In the field of solid-state terahertz, the development of a qualified harmonic mixer is the basis for the study of communication systems. With the continuous development of terahertz communication technology, terahertz harmonic mixers are constantly developing to higher frequency bands. In the high-frequency band, the quartz substrate carrying the circuit and the cavity where the circuit is placed will become smaller, resulting in a gradual increase in processing accuracy and assembly difficulty. The existing inverted diode pair with gallium arsenide substrate has been unable to meet the design requirements of the wide frequency band of the high frequency harmonic mixer. In the traditional upside-down diode pair circuit, the diode pair is processed on a gallium arsenide substrate, and then upside down in the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03D7/16
Inventor 张波纪东峰牛中乾刘戈高欣方灯陶源姚荣钊樊勇
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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