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Ultra-low power consumption broadband low-noise amplifier

A broadband low-noise, ultra-low-power technology, applied in amplifiers, improved amplifiers to expand bandwidth, improved amplifiers to improve efficiency, etc., can solve the problems of low gain and high noise in common-gate amplifiers, and achieve reduced DC power consumption and reduced Effects of Noise, Enhanced Gain

Active Publication Date: 2020-12-15
CHENGDU T-RAY TECH CO LTD +1
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  • Abstract
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Problems solved by technology

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

Method used

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  • Ultra-low power consumption broadband low-noise amplifier
  • Ultra-low power consumption broadband low-noise amplifier
  • Ultra-low power consumption broadband 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 which are connected in sequence, wherein the input stage amplifier is composed of an input matching network and a transconductance enhancement structure; and the output stage amplifier is composed of a capacitance neutralization structure and an output matching network. By means of the mode, the current use efficiency can be improved, the power consumption of the amplifier is greatly reduced under the condition that gain, noise and other performance are guaranteed, and on the other hand, inter-stage matching of the amplifier is optimized, the bandwidth is increased, and in-band fluctuation is reduced.

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 Applications(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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