Amplification integrated circuit

An integrated circuit and low-noise amplifier technology, applied in the field of communication, can solve problems such as poor anti-interference ability of communication systems

Active Publication Date: 2017-01-11
NANJING ZHONGXING XIN SOFTWARE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The main purpose of the present invention is to provide an amplifying integrated circuit, which aims to solve the technical problem of poor anti-interference ability of the communication system

Method used

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Embodiment Construction

[0019] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0020] The invention provides an amplifying integrated circuit, referring to figure 1 , In one embodiment, the amplifying integrated circuit includes: a tuning unit, a first switch, a second switch and a low noise amplifier connected in sequence, the input terminal of the tuning unit is connected to the transmission link, and the connection between the first switch and the second switch The first port is also connected between them, the first input end of the low noise amplifier is connected to the second switch, and the second input end of the low noise amplifier is connected to the receiving chain.

[0021] In this embodiment, the amplifying integrated circuit can be integrated into a chip, and can be applied to communication links of communication systems such as wireless base station receiving systems, radar recei...

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Abstract

The invention discloses an amplification integrated circuit. The amplification integrated circuit comprises a tuning unit, a first switch, a second switch and a low-noise amplifier which are connected in sequence. An input end of the tuning unit is connected with a transmission link. A first port is connected between the first switch and the second switch. A first input end of the low-noise amplifier is connected with the second switch. A second input end of the low-noise amplifier is connected with a receiving link. According to the circuit, the inference of a transmission signal in a communication link on a receiving signal is eliminated, and a transceiving cancellation function of the communication link is realized.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to an amplifying integrated circuit. Background technique [0002] Traditional communication system frequency resource allocation reserves many guard frequency bands, and these guard frequency bands can be used to support different communication systems. With the development of communication technology and component technology, the guard frequency band can be used to develop new wireless communication systems to make full use of frequency resources. However, the wireless communication systems in these adjacent guard frequency bands will encounter interference problems caused by coexistence and co-location between systems. In the prior art, ordinary filters (such as cavity filters) are used in the communication links of wireless communication systems to Removing interference, because it is difficult for ordinary filters to meet the requirements of high isolation between system...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/40
Inventor 赵丽娟穆学禄田珅沈楠周虹许盛全
Owner NANJING ZHONGXING XIN SOFTWARE CO LTD
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