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Terahertz subharmonic frequency doubling and mixing device based on monolithic integrated circuit

A monolithic integrated circuit and sub-harmonic technology, applied in the terahertz field, can solve the problems of loss and insufficient integration.

Active Publication Date: 2015-03-25
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0007] The existing technology integration level is not high enough, there are two dielectric substrates and waveguide connection transition is required, there is loss

Method used

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  • Terahertz subharmonic frequency doubling and mixing device based on monolithic integrated circuit
  • Terahertz subharmonic frequency doubling and mixing device based on monolithic integrated circuit
  • Terahertz subharmonic frequency doubling and mixing device based on monolithic integrated circuit

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Embodiment 1

[0044] Such as Figure 1 to Figure 10 shown.

[0045]A terahertz subharmonic frequency multiplication and mixing device based on a monolithic integrated circuit, including a dielectric substrate 10 arranged in an air cavity 11, in the direction from left to right, (as shown in the figure, along the X-axis direction), the dielectric substrate 10 CMRC structure local oscillator low-pass filter 2, frequency multiplier matching circuit 3, four-tube frequency multiplier diode 4, local oscillator matching circuit 5, frequency mixing diode 6, radio frequency matching circuit 7, A CMRC structure intermediate frequency low-pass filter 9; also includes a fundamental wave input waveguide microstrip transition 1, a transition microstrip line is also provided on the dielectric substrate 10, and the transition microstrip line passes through the input microstrip line A22 and the CMRC structure microstrip low-pass filter 2, the air cavity 11 in the area where the transitional microstrip line...

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PUM

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Abstract

The invention discloses a terahertz subharmonic frequency doubling and mixing device based on a monolithic integrated circuit. The device comprises a fundamental wave input waveguide micro-strip transition, a CMRC structure local oscillator low-pass filter, a frequency doubling matching circuit, a four-die frequency doubling diode, a local oscillator matching circuit, a frequency mixing diode, a radio frequency matching circuit, a radio frequency input waveguide micro-strip transition, and a CMRC structure intermediate frequency low-pass filter. According to the terahertz subharmonic frequency doubling and mixing device based on the monolithic integrated circuit, on the one hand, the number of dielectric substrates is decreased, and circuits are integrated on one substrate, so that the number of cavities to be processed is decreased, and processing and assembling are easy; on the other hand, waveguide transitions to be designed and processed are reduced, and the cavity size is reduced.

Description

technical field [0001] The present invention relates to the technical field of terahertz, and specifically refers to a terahertz subharmonic frequency multiplication and mixing device based on a monolithic integrated circuit. Background technique [0002] As a frequency conversion device, the subharmonic mixer plays an important role in the field of terahertz applications, but it is difficult to manufacture high-frequency sources in the terahertz frequency band and the power is low. Therefore, it is an important technical problem to solve the local oscillator source of the subharmonic mixer. In the prior art, in order to obtain a local oscillator source in the high frequency band, frequency multiplier components are needed to convert low frequency to high frequency, but in reality, frequency multipliers and mixers are designed and processed separately as separate components. Therefore, it takes up a lot of space, and requires two substrates with different widths to carry th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03D7/12
Inventor 张波纪东峰杨益林刘戈司梦姣钱骏闵应存樊勇
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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