Design method for radio frequency ultra-wide band high-efficiency power amplifier and circuit

A power amplifier and design method technology, applied in CAD circuit design, instrument, calculation, etc., can solve the problem of multiplication of design difficulty and achieve the effect of high frequency bandwidth

Inactive Publication Date: 2016-06-01
HEFEI NORMAL UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in theoretical research and actual engineering design, it is found that it is relatively easy to solve a certain index of the amplifier, but when broadband and high efficiency are put together, the design difficulty will be doubled. In many cases, this is almost impossible to realize.

Method used

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  • Design method for radio frequency ultra-wide band high-efficiency power amplifier and circuit

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Embodiment Construction

[0021] The present invention will be described in detail below in conjunction with specific embodiments, but at the same time it is explained that the protection scope of the present invention is not limited to the specific scope of this embodiment. All other embodiments obtained below all belong to the protection scope of the present invention.

[0022] It should be noted that, in the description of the present invention, unless otherwise specified, the meaning of "plurality" is two or more; the terms "upper", "lower", "left", "right", "inner ", "outside", "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular ori...

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Abstract

The invention discloses a design method for a radio frequency ultra-wide band high-efficiency power amplifier and a circuit. The design method includes the steps of a multi-frequency point transistor input and output impedance test, design of a maximum power transmission output impedance matching network, design of a wide band input multi-section impedance matching network, design of an input harmonic suppression network and an output harmonic suppression network and design of a transistor offset network. The transistor input and output impedance test technology achieves precise calculation of transistor input and output impedance. The maximum power transmission output impedance matching network achieves transistor impedance matching and maximum power transmission. The wide band input multi-section impedance matching network achieves wide band transistor input impedance matching. The design of the input harmonic suppression network and the output harmonic suppression network eliminates higher harmonic influences at the input end and the output end of a transistor, reduce losses and improve power additional efficiency of the amplifier. The design of the offset network provides working voltage of the transistor. The power amplifier can acquire higher frequency bandwidth, output power and power additional efficiency.

Description

technical field [0001] The present invention relates to the design field of power amplifiers, more specifically, the present invention relates to a kind of radio frequency ultra-wideband high-efficiency power amplifier design technology, it is applicable to the high-performance power amplifier of the field such as wireless communication, electronic countermeasure, radar, navigation Simulation design and scientific research work are of great significance to improving the overall performance indicators of related systems. Background technique [0002] RF power amplifiers are widely used in the transmission equipment of wireless communication, electronic countermeasures, radar, navigation and other systems. Power amplifiers are of great significance to the improvement of system performance, research on new functions and new applications. Therefore, improving the performance of power amplifiers has become a The focus of attention of various system manufacturers. The core issue ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/36G06F30/367
Inventor 倪春柴豆豆张量张鹏李楠张晓
Owner HEFEI NORMAL UNIV
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