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Broadband harmonic suppression amplifier

A harmonic suppression and amplifier technology, applied in amplifiers, amplifiers with semiconductor devices/discharge tubes, improving amplifiers to expand bandwidth, etc., can solve problems such as energy waste, reduce efficiency, signal interference, etc., to increase harmonic suppression power, low power, high gain

Active Publication Date: 2022-03-11
CHENGDU GANIDE TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the harmonic components are not recovered and suppressed, it will not only cause waste of energy, reduce its efficiency, but also cause interference to signals of other channels

Method used

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Embodiment Construction

[0031] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0032] Such as figure 1 As shown, the present invention provides a broadband harmonic suppression amplifier, including an input matching network, a broadband current multiplexing amplification network, a first active bias network, a harmonic suppression equalization matching network, a broadband common source amplification network, a second Active bias network and output matching network;

[0033] The input end of the input matching network is used as the input end of the broadband harmonic suppression amplifier, and its output end is connected with the first input end of the broadband current multiplexing amplifying network;

[0034] The output end of the output matching network is used as the output end of the broadband harmonic suppression amplifier, and its input end is connected with the output end of the broadband common source amplifying network;...

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Abstract

The invention discloses a broadband harmonic suppression amplifier, which belongs to the technical field of integrated circuits and comprises an input matching network, a broadband current multiplexing amplification network, a first active bias network, a harmonic suppression balance matching network, a broadband common-source amplification network, a second active bias network and an output matching network. The broadband current multiplexing and common-source amplification network is adopted, the grid-source RLC parallel negative feedback circuit is matched, the characteristics of broadband, high gain and low power consumption are achieved, the harmonic suppression balance matching network is adopted between stages, the harmonic suppression degree of the amplifier is improved, meanwhile, impedance matching and gain flatness can be considered, and the power consumption is reduced. The antenna has the advantages of wide working frequency band, low noise coefficient, high gain, high harmonic suppression degree, low power consumption and the like.

Description

technical field [0001] The invention belongs to the technical field of integrated circuits, and in particular relates to a broadband harmonic suppression amplifier. Background technique [0002] With the rapid development and wide popularization of wireless communication systems, the performance requirements for transceivers are getting higher and higher. In the design of broadband communication electronic systems, in order to prevent electromagnetic interference between systems, very stringent requirements are often put forward for harmonic and clutter suppression. When the input signal is amplified by broadband, it will cause a large number of harmonic components in the output signal. If the harmonic component is not recovered and suppressed, it will not only cause waste of energy, reduce its efficiency, but also cause interference to signals of other channels. Contents of the invention [0003] In order to solve the above problems, the present invention proposes a bro...

Claims

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Application Information

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IPC IPC(8): H03F1/26H03F1/42H03F1/56H03F1/30H03F1/32H03F3/60
CPCH03F1/26H03F1/42H03F1/56H03F1/302H03F1/32H03F3/602
Inventor 刘莹叶珍廖学介邬海峰于鸿滑育楠王测天吕继平胡柳林童伟黄敏吴曦杨云婷
Owner CHENGDU GANIDE TECH
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