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Circulator power amplifier circuit and design method thereof

A technology of power amplifier circuit and design method, which is applied in the field of communication, and can solve problems such as insufficient isolation capability of a single circulator

Inactive Publication Date: 2013-07-03
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The embodiment of the present invention provides a circulator power amplifier circuit and its design method to solve the problem of insufficient isolation capability of the existing single circulator

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  • Circulator power amplifier circuit and design method thereof
  • Circulator power amplifier circuit and design method thereof
  • Circulator power amplifier circuit and design method thereof

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Embodiment Construction

[0032] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0033] An embodiment of the present invention provides a circulator power amplifier circuit, including a power amplifier, a circulator, a power load and a load, the output of the power amplifier is connected to the input of the circulator, and the load is connected to the output of the circulator The power load is connected to the load end of the circulator, wherein: the circulator is an N-stage circulator or an M-section circulator, wherein N and M are both integers greater than 1.

[0034] When the circulator is an N-stage circulator, the input end of the first-stage circul...

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PUM

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Abstract

The invention provides a circulator power amplifier circuit and a design method thereof, wherein the circulator power amplifier circuit comprises a power amplifier, a circulator, a power load and a load, wherein the output end of the power amplifier is connected with the input end of the circulator, the load is connected with the output end of the circulator, the power load is connected with the load end of the circulator, the circulator is an N-level circulator or M-level circulator, and N and M are integers of more than 1. The circulator power amplifier circuit designed by adopting the circulator power amplifier circuit is improved in isolation degree of the circulator, and has great importance of improving the standing wave of the power amplifier, ensuring that indexes are stable, avoiding the mismatch and damage of the power amplifier and improving the reliability of the power amplifier.

Description

technical field [0001] The invention relates to the communication field, in particular to a circulator power amplifier circuit and a design method thereof. Background technique [0002] Facing the current increasingly fierce market competition, the performance of base station products is the main focus of competition in the industry. As an important part of the base station, the power amplifier unit is directly related to the quality of the transmitted signal and the communication effect. [0003] As the field of power amplifiers changes to high efficiency, high linearity, peak-to-average ratio, and high bandwidth, the reliability requirements for power amplifiers are more stringent. In the power amplifier design, the circulator is generally used between the output end of the power amplifier and the load (antenna, duplexer, etc.) to realize the one-way transmission of the signal. , to improve the standing wave of the power amplifier, increase the reverse isolation, and avoi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03F1/52H03F3/20
CPCH03F3/245H01P1/213H01P1/36H03F3/195H03F2200/423H03F2200/451H01P1/387H03F3/19
Inventor 陈化璋王欣
Owner ZTE CORP
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