High-gain microwave power amplifier and simulation method

A technology of microwave power and simulation methods, applied in the direction of power amplifiers, etc., can solve the problems of many safety guarantee elements, limited life, complicated use, etc., achieve high stability and high reliability, avoid waste, and meet the needs of design Effect

CN113067556APending Publication Date: 2021-07-02ANHUI NORMAL UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2021-07-02

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Abstract

The invention belongs to the technical field of wireless communication, and particularly relates to a high-gain microwave power amplifier and a simulation method. The high-gain microwave power amplifier is arranged on a circuit board and comprises a radio frequency input end, a pre-stage amplification circuit, a driving-stage amplification circuit, an input matching circuit, a final-stage amplification circuit, an output matching circuit and a radio frequency output end. The signal input end of the pre-stage amplification circuit is connected with the signal output end of the radio frequency input end, the signal input end of the driving stage amplification circuit is connected with the signal output end of the pre-stage amplification circuit, and the signal input end of the input matching circuit is connected with the signal output end of the driving stage amplification circuit. According to the power amplifier, single-tube matching and multi-tube cascade matching are combined in the design process, the self-excitation phenomenon caused by improper circuit design is prevented, and high stability and high reliability of the power amplifier are guaranteed.
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Description

technical field

[0001] The invention belongs to the technical field of wireless communication, in particular to a high-gain microwave power amplifier and a simulation method. Background technique

[0002] The main function of the microwave power amplifier is to amplify the input low-power microwave signal through the amplifying circuit composed of cascaded multi-stage power amplifier devices inside the power amplifier and output the amplified signal. With the development of microwave transistor technology and microwave amplifier design technology, the design of microwave power amplifiers has become more and more complex, and the requirements for its indicators have become higher and higher. It is used in satellite communications, mobile communications, shipboard wireless communication systems, etc. In many fields, these applications require microwave power amplifiers to meet high linearity, high output power and high efficiency at the same time as possible.

[0003] The tra...

Examples

Embodiment Construction

[0032] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

[0033] It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic ideas of the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and number of components in act...