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Broadband receiver with phase-locked loop local oscillation circuit

A broadband receiver and local oscillator circuit technology, applied in electrical components, transmission systems, etc., can solve problems such as low bit error rate, dynamic range, sensitivity, anti-interference ability, unsatisfactory adaptability, and small signal distortion, etc., to achieve The effect of low bit error rate, strong anti-interference ability and small signal distortion

Active Publication Date: 2010-09-15
DFINE TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The invention aims to solve the technical problems that the traditional receiver cannot meet the increasingly stringent index requirements of the industry in terms of linearity, dynamic range, sensitivity, anti-interference ability, adaptability, etc., so as to provide a high linearity, large dynamic range, high Wideband receiver with phase-locked loop local oscillator circuit with sensitivity, high resolution, small signal distortion, low bit error rate, greater adaptability, and stronger anti-interference ability

Method used

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  • Broadband receiver with phase-locked loop local oscillation circuit
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  • Broadband receiver with phase-locked loop local oscillation circuit

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Embodiment Construction

[0027] The detailed structure of the present invention, application principle, function and effect, refer to the appended Figure 1-2 , which will be described through the following embodiments.

[0028] refer to Figure 1-2 As shown, the broadband receiver with phase-locked loop local oscillator circuit of the present invention is made up of power supply, local oscillator module, receiving channel and numerical control part, the input end of numerical control attenuator 2 is connected with radio frequency signal source 1, and its output end is connected with a The input end of the two-choice switch 3, one output end of the switch 3 is connected to the input end of the straight-through 4, and the other output end is connected to the input end of the amplifier 5, and the output ends of the straight-through 4 and the amplifier 5 are connected to the one-to-two switch 6 Input end, the output end of switch 6 is connected with the input end of one to select two switch 7, and two o...

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Abstract

The invention relates to a broadband receiver with a phase-locked loop local oscillation circuit, which relates to the field of electronic communication and aims at solving the technical problems that the conventional receivers can not satisfy the rigorous index requirements of the industry in the aspects of linearity, dynamic range, sensitivity, anti-interference ability, adaptability and the like. The broadband receiver with the phase-locked loop local oscillation circuit comprises a power supply, a local oscillation module, a receiving channel and a numerical control part; and the power supply, the local oscillation module, the receiving channel and the numerical control part are respectively arranged in an independent cavity body. The invention is suitable for the design of the wideband receivers.

Description

technical field [0001] The invention relates to the field of electronic communication, in particular to a wideband receiver used in the fields of radar systems, detection systems and electronic countermeasures. Background technique [0002] The general receiver can be used for frequency monitoring, signal monitoring and detection of enemy stations in the military, and can be used in the identification friend or foe system. High-performance, high-integrated wide-band general-purpose receivers have been widely used in modern warfare both at home and abroad. In civilian use, it can be widely used in civil aviation, aerospace, maritime communications, scientific research and exploration, etc. [0003] The design and implementation of modern universal receivers tend to be more and more high-performance and highly integrated. In terms of performance, modern general-purpose receivers are mainly developing towards high linearity, large dynamic range, high sensitivity, and high res...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/16
Inventor 陈波牛书强申江何恒志汪泽
Owner DFINE TECH
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