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Graphene Odd Harmonic Frequency Multiplier and Design Method

A technology of odd-order harmonics and design methods, applied in the field of graphene odd-order harmonic frequency multipliers and design, can solve the problems of low frequency multiplication efficiency of graphene frequency multipliers, achieve simple manufacturing process, reduce pollution, and improve The effect of frequency doubling on output power and efficiency

Active Publication Date: 2021-03-30
CHENGDU UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a graphene odd harmonic frequency multiplier and its design that solve the above problems, improve the low frequency multiplication efficiency of graphene frequency multipliers, and have the characteristics of low cost and self-suppression of even harmonics. method

Method used

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  • Graphene Odd Harmonic Frequency Multiplier and Design Method
  • Graphene Odd Harmonic Frequency Multiplier and Design Method
  • Graphene Odd Harmonic Frequency Multiplier and Design Method

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Embodiment 1

[0043] Embodiment 1: see Figure 1 to Figure 3 , a graphene odd harmonic frequency multiplier, including a cavity 3 assembly and a cover plate 1, the cavity 3 assembly includes a cavity 3 and input coaxial joints 4 and output coaxial connectors respectively located at two ends of the cavity 3 Connector 5 also includes graphene 9 frequency multiplier high-frequency substrate 2;

[0044] The graphene 9 frequency multiplier high-frequency substrate 2 comprises a high-frequency dielectric substrate, an input reflection network 7, graphene 9 and an output reflection network 8 arranged on the high-frequency dielectric substrate, and the input reflection network 7 and the output reflection network 8 are respectively located at the front end and back end of graphene 9;

[0045] Let the output signal be the fundamental wave f 0 , the number of frequency multiplication is N, and the output signal after frequency multiplication is Nf 0 , the signal frequency component to be recovered ...

Embodiment 2

[0071] Embodiment 2: In order to better illustrate the present invention, we assume that N=3, and at this time it is designed as a triple frequency multiplier.

[0072] Wherein, on the high-frequency dielectric substrate, an input reflection network 7 , a graphene 9 and an output reflection network 8 are set. It can be seen that the input signal is the fundamental wave f 0 , the output signal after frequency multiplication is 3f 0 , the harmonic components that need to be recovered are the fundamental wave, 5f 0 . Since most of the harmonic components are concentrated in the fundamental, 3rd, and 5th harmonic signals, it is recommended to focus on these output signals.

[0073] In the output reflection network 8: for the output signal frequency 3f 0 , the output reflection network 8 is in a matching state; and for the fundamental wave and the 5th harmonic component, the output reflection network 8 is in a total reflection state.

[0074] Input into reflection network 7: f...

Embodiment 3

[0089] Embodiment 3: We assume that N=5, and at this time, it is designed as a quintuple frequency multiplier.

[0090] In the output reflection network 8: for the output signal frequency 5f 0 , the output reflection network 8 is in a matching state; while for other output signal components: fundamental wave and 3f 0 , the output reflection network 8 is in a total reflection state.

[0091] Input into reflection network 7: for f 0 For matching state, for 3f 0 is grounded;

[0092] Its design method is:

[0093] (1) In the fifth frequency multiplier, the input signal is the fundamental wave f 0 , the output signal after multiplication is 5f 0 , the harmonic components that need to be recovered are the fundamental wave, 3f 0 ;

[0094] (2) Design input reflective network 7 and output reflective network 8;

[0095] The input reflection network 7 pairs f 0 For matching state, for 3f 0 is grounded;

[0096] The output reflection network is 8 to 5f 0 is the matching state...

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Abstract

The invention discloses a graphene odd harmonic frequency multiplier and a designing method thereof. The graphene odd harmonic frequency multiplier comprises a cavity component and a cover plate, wherein the cavity component comprises a cavity body, an input coaxial connector and an output coaxial connector which are respectively positioned at two ends of the cavity body. The graphene odd harmonicfrequency multiplier is characterized by further comprising a graphene multiplier high-frequency substrate, wherein the graphene multiplier high-frequency substrate comprises a high-frequency mediumsubstrate, an input reflective network, graphene and an output reflective network which are arranged on the high-frequency medium substrate; the input reflective network and the output reflective network are respectively positioned at front and rear ends of the graphene; the input reflective network has a matched status for f0 and a ground status for a harmonic component to be recovered, the output reflective network has a matched status for Nf0 and a total reflective status for fundamental wave and the harmonic component to be recovered, and the fundamental wave and the harmonic component tobe recovered are reflected to the input reflective network through the graphene due to the total reflection. The graphene odd harmonic frequency multiplier can be used for improving the problem of lowharmonic frequency efficiency of a graphene multiplier, and has the characteristics of low cost and even harmonic auto-inhibition.

Description

technical field [0001] The invention relates to a frequency multiplier, in particular to a graphene odd harmonic frequency multiplier and a design method. Background technique [0002] Microwave and millimeter wave frequency sources are widely used in systems such as radar, communication, guidance, and test instruments. The frequency multiplier is one of the important components of the frequency source. In the microwave and millimeter wave frequency bands, two-port passive frequency multipliers are widely used in the design of frequency multiplication sources. In terms of stability and noise, the performance of high-frequency two-port passive frequency multipliers is better than that of active oscillators. . In recent years, graphene is considered to be the next-generation electronic material due to its high electron traction rate and good thermal conductivity, and has become a hot research direction. [0003] Graphene has good nonlinear properties, such as the document S...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03B19/00
CPCH03B19/00
Inventor 方勇钟晓玲郭勇多滨罗俊松
Owner CHENGDU UNIVERSITY OF TECHNOLOGY