Harmonic power amplifying circuit with high efficiency and wide bandwidth and radio frequency power amplifier

A technology of harmonic power and amplifying circuit, which is applied in the field of radio frequency communication to achieve the effect of widening the design space, simple and easy realization of harmonic impedance matching

Active Publication Date: 2016-12-07
青岛君戎华讯太赫兹科技有限公司
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Problems solved by technology

[0005] The purpose of the embodiments of the present invention is to provide a high-efficiency and high-bandwidth harmonic power amplifier circuit, which aims to sol

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  • Harmonic power amplifying circuit with high efficiency and wide bandwidth and radio frequency power amplifier
  • Harmonic power amplifying circuit with high efficiency and wide bandwidth and radio frequency power amplifier
  • Harmonic power amplifying circuit with high efficiency and wide bandwidth and radio frequency power amplifier

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Embodiment Construction

[0024] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0025] The embodiment of the present invention combines the continuous type F class power amplifier and the continuous type inverse class F power amplifier, and through the transition from the continuous type reverse class F power amplifier working mode to the continuous type F class power amplifier working mode, the single continuous type power amplifier is expanded. The design space of the har...

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Abstract

The invention is applicable to the field of radio frequency communication, and provides a harmonic power amplifying circuit with high efficiency and a wide bandwidth and a radio frequency power amplifier. The circuit comprises an input matching network, a transistor and an output matching network; a grid electrode of the transistor is connected with an output end of the input matching network, a drain electrode of the transistor is connected with an input end of the output matching network, and a source electrode of the transistor is grounded; the output matching network causes a lower sideband of the harmonic power amplifying circuit to work in a continuous inverse F amplification mode and causes an upper sideband of the harmonic power amplifying circuit to work in a continuous F amplification mode; and the output matching network and a parasitic network of the transistor form a low pass filter. According to the harmonic power amplifying circuit provided by the invention, due to the transition from the continuous inverse F power amplifier working mode to the continuous F power amplifier working mode, the efficiency of a continuous harmonic control power amplifier is effectively improved to be higher than 60%, a relative bandwidth is improved to be higher than 80%, and the harmonic impedance is simple to match and easy to realize.

Description

technical field [0001] The invention belongs to the field of radio frequency communication, and in particular relates to a high-efficiency and high-bandwidth harmonic power amplifying circuit and a radio frequency power amplifier. Background technique [0002] At present, the fifth-generation mobile communication system has increasingly strong requirements on the compatibility of communication standards, so the bandwidth requirements of RF power amplifiers are also getting higher and higher. At the same time, with the further development of the green economy, the market is also demanding the efficiency of power amplifiers Increasingly demanding. However, high-efficiency, high-bandwidth power amplifiers are generally designed mainly based on the structure of the class E power amplifier and the structure of the harmonic control class power amplifier. [0003] However, although the class E power amplifier has a simple structure and high efficiency, the further application of t...

Claims

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Application Information

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IPC IPC(8): H03F1/02H03F1/48H03F1/56H03F3/189H03F3/20
CPCH03F1/0216H03F1/48H03F1/56H03F3/189H03F3/20
Inventor 朱守奎丁庆
Owner 青岛君戎华讯太赫兹科技有限公司
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