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Low-noise amplifier and electronic device

A low-noise amplifier and low-noise amplification technology, applied in the field of low-noise amplifiers and electronic equipment, can solve problems such as low current efficiency, and achieve the effects of improving current efficiency and good input/output impedance matching

Inactive Publication Date: 2019-01-08
SHANGHAI AWINIC TECH CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] However, the existing low-noise amplifiers have technical defects that need to be improved, for example, the current efficiency is low

Method used

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  • Low-noise amplifier and electronic device
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  • Low-noise amplifier and electronic device

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Embodiment Construction

[0023] Implementing any technical solution of the embodiments of the present application does not necessarily need to achieve all the above advantages at the same time.

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained ...

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Abstract

An embodiment of that present application provides a low-noise amplifier and an electronic device. The low-noise amplifier comprises at least two low noise amplification module, Each low noise amplification module comprises: common source cell, common gate cell, input impedance matching unit, output impedance matching unit, the common source unit is used for converting an input voltage to an inputcurrent, the common gate unit is used for buffering the input current. The input impedance unit is the equivalent impedance of the input terminal, and the output impedance is matched to the equivalent impedance of the output terminal, thereby improving the current efficiency of the low noise amplifier and having better input / output impedance matching.

Description

technical field [0001] The embodiments of the present application relate to the field of circuit technology, and in particular to a low noise amplifier and electronic equipment. Background technique [0002] A low-noise amplifier (LNA for short) is mainly used in a communication system to amplify a signal received from an antenna so that it can be processed by subsequent electronic equipment. Since the signal from the antenna is generally very weak, the low noise amplifier is generally located very close to the antenna to reduce the loss of the signal passing through the transmission line. [0003] It is precisely because the low-noise amplifier is located at the first stage of the entire receiver close to the antenna, its characteristics directly affect the quality of the signal received by the entire receiver. In order to ensure that the signal received by the antenna can be correctly recovered in the final stage of the receiver, a good LNA needs to amplify the signal whi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03F1/26H03F3/16H04B1/16
CPCH03F1/26H03F3/165H04B1/16
Inventor 林尹尧
Owner SHANGHAI AWINIC TECH CO LTD
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