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Microwave detection device

A technology of microwave detection and microwave signal, which is applied in the field of microwave detection, can solve the problems of insufficient sensitivity and achieve the effects of wide working frequency range, simple manufacture and small structure

Pending Publication Date: 2021-08-20
SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although an ultra-small power meter made of low-barrier Schottky diodes can detect power signals at the level of 0.1 nanowatts, its sensitivity is obviously insufficient

Method used

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Embodiment Construction

[0035] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the specific embodiments set forth herein. Rather, these embodiments are provided to explain the principles of the invention and its practical application, so that others skilled in the art can understand various embodiments of the invention and various modifications as are suited to particular intended uses. The same reference numerals may be used to refer to the same elements throughout the specification and drawings.

[0036] Such as figure 1 As shown, the microwave detection device of the embodiment of the present invention includes a signal receiving module 10 and a magnetoelectric conversion module 20, wherein the signal receiving module 10 is used to receive microwave signals and convert the microwave signals into AC signals, and the ma...

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Abstract

The invention discloses a microwave detection device. The microwave detection device comprises a signal receiving module which is used for receiving a microwave signal and converting the microwave signal into an alternating current signal; and a magnetoelectric conversion module which comprises a magnetic tunnel junction, wherein the magnetic tunnel junction is used for converting the alternating current signal into a direct current signal. Compared with a semiconductor detection device, the microwave detection device is much smaller in structure, wide in working frequency range and high in efficiency in unit area range, can detect microwaves with low signal intensity, and has the advantages of being easy to manufacture, low in cost, adjustable in broadband and the like.

Description

technical field [0001] The invention belongs to the technical field of microwave detection, and in particular relates to a microwave detection device and a control method thereof. Background technique [0002] At present, a microwave detector is a rectification circuit system that converts an AC signal into a DC signal, and then detects a microwave signal. In electronic communication systems, it is often necessary to detect the existence or strength of microwave signals as a standard for normal operation. For example, in radio receivers it is common to measure the strength of the received signal in order to adjust the automatic gain control circuit so that the desired output signal is continuously obtained from the receiver, so microwave detectors form the heart of signal amplitude measurement systems. At present, Schottky diodes or PN junction diodes are mainly used as components of microwave detectors; compared with PN junction diodes, Schottky diodes have a short recover...

Claims

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Application Information

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IPC IPC(8): G01R29/08H01Q1/50H01Q1/24
CPCG01R29/0871G01R29/0878H01Q1/241H01Q1/50
Inventor 曾中明熊家纪朱可强张宝顺
Owner SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI