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Terahertz receiving front end and implementation method thereof

A receiving front-end and terahertz technology, which is applied in the field of terahertz receiving front-end and its realization, can solve the problem of very high connection and assembly requirements, achieve reliable product performance data, reduce energy loss, and improve efficiency

Active Publication Date: 2015-02-25
XIAN INSTITUE OF SPACE RADIO TECH
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Problems solved by technology

However, compared with the microwave frequency band, the THz frequency band has very high requirements for the connection and assembly of its components, and as the frequency increases, the number of connections has a greater impact on the performance of the system.

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  • Terahertz receiving front end and implementation method thereof
  • Terahertz receiving front end and implementation method thereof
  • Terahertz receiving front end and implementation method thereof

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Embodiment Construction

[0044] Specific embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0045] The receiving front end is the key component of the receiver in the electronic system. At present, the design idea of ​​the receiving front end of the THz frequency band is the same as that of the low frequency band. It mainly adopts procurement or self-developed related components, and then assembles the receiving front end by assembling. However, compared with the microwave frequency band, the THz frequency band has very high requirements for the connection and assembly of components, and as the frequency increases, the number of connections has a greater impact on the performance of the system.

[0046] Such as figure 1 and figure 2 As shown, the present invention provides a terahertz receiving front end, including an orthogonal mode coupler OMT, two waveguide-microstrip conversions, two low noise amplifiers LNA, two bandp...

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Abstract

The invention provides a terahertz receiving front end and an implementation method of the terahertz receiving front end. The receiving front end comprises an ortho-mode transducer (OMT), two waveguide-microstrip converters, two low noise amplifiers (LNA), two bandpass filters, two frequency mixers, a local oscillator (LO) and a power divider, wherein the OMT, the waveguide-microstrip converters and the LNAs form a combined body which is integrally formed, the frequency mixers and the power divider form a combined body which is integrally formed, and the LO and a frequency doubler form a combiner body which is integrally formed. Due to the integrated design layout scheme, it is avoided that many of parts in the receiving front end are connected to one another, and the integration level of the product is greatly improved. Transmission energy loss is reduced, and powerful technical support is provided for the terahertz frequency band receiving front end. The invention further provides the implementation method of the receiving front end.

Description

technical field [0001] The invention relates to a terahertz receiving front end and an implementation method thereof, belonging to the technical field of terahertz. Background technique [0002] Terahertz (THz, 1THz=1012Hz) band refers to a section of electromagnetic wave region with a frequency between infrared and millimeter waves, which is called "THz gap". In terms of application, it has very strong complementary characteristics compared to electromagnetic waves in other bands. Compared with microwave and millimeter wave, THz detection system can obtain higher resolution, has outstanding anti-interference ability and unique anti-stealth ability; compared with laser, THz system has wide field of view, good search ability, applicable In bad weather conditions and other advantages. The superior characteristics of THz waves make them of very important academic and application value (some are already in the practical stage), which also makes all countries in the world pay g...

Claims

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Application Information

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IPC IPC(8): H04B1/26
Inventor 徐辉李欣张晓阳李正纲禹旭敏
Owner XIAN INSTITUE OF SPACE RADIO TECH
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