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An Ultra-Low Power Wideband Low Noise Amplifier

A wide-band low-noise, ultra-low-power technology, applied to amplifiers, improved amplifiers to expand bandwidth, improved amplifiers to improve efficiency, etc., can solve problems such as high noise and low gain of common-gate amplifiers, and achieve noise reduction and DC reduction. Power Consumption, Effects of Transistor Size Reduction

Active Publication Date: 2021-07-27
CHENGDU T-RAY TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, common-gate amplifiers have lower gain and higher noise than common-source amplifiers

Method used

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  • An Ultra-Low Power Wideband Low Noise Amplifier
  • An Ultra-Low Power Wideband Low Noise Amplifier
  • An Ultra-Low Power Wideband Low Noise Amplifier

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Embodiment Construction

[0019] In order to make the object, technical solution and advantages of the present invention clearer, the specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings. Examples of these preferred embodiments are illustrated in the accompanying drawings. The embodiments of the invention shown in and described with reference to the drawings are merely exemplary, and the invention is not limited to these embodiments.

[0020] Here, it should also be noted that, in order to avoid obscuring the present invention due to unnecessary details, only the structures and / or processing steps closely related to the solution according to the present invention are shown in the drawings, and the related Other details are not relevant to the invention.

[0021] And, in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. indica...

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Abstract

The invention discloses an ultra-low power consumption broadband low-noise amplifier, which comprises an input-stage amplifier, an intermediate-stage matching network and an output-stage amplifier sequentially connected; the input-stage amplifier is composed of an input matching network and a transconductance enhancement structure; the The output stage amplifier is composed of capacitor neutralization structure and output matching network. Through the above method, the present invention can improve the efficiency of current use, and greatly reduce the power consumption of the amplifier while ensuring performance such as gain and noise. On the other hand, it optimizes the matching between amplifier stages, increases bandwidth, and reduces in-band fluctuations.

Description

technical field [0001] The invention relates to the technical field of electronic circuit design, in particular to an ultra-low power consumption broadband low-noise amplifier. Background technique [0002] In recent years, the new generation of communication technology has achieved rapid development, and the low frequency band can no longer meet the needs of high-speed communication. The millimeter-wave frequency band is rich in spectrum resources and has become a research hotspot, such as millimeter-wave 5G communication and broadband satellite communication. In millimeter wave communication, it is a key issue to ensure the signal-to-noise ratio of the received signal. [0003] The low-noise amplifier is the first active device in the receiving channel, usually directly connected to the receiving antenna, and plays a decisive role in the overall noise of the receiver. In order to reduce the impact of the noise of the receiver's post-stage, the low-noise amplifier needs t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03F1/42H03F1/26H03F1/02
CPCH03F1/0205H03F1/26H03F1/42
Inventor 赵涤燹尤肖虎张嘉俊张成军
Owner CHENGDU T-RAY TECH CO LTD
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