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Power amplification tube device, multi-channel radio-frequency power amplification circuit and implementation method thereof

A power amplifier circuit and power amplifier tube technology, which is applied to parts of amplifier devices, improved amplifiers to improve efficiency, amplifiers, etc., can solve the problems of difficult control of mass production consistency, large PCB layout area, and limited layout space, etc. Problems, to achieve the effect that is beneficial to PCB layout, conducive to layout, and improve consistency

Inactive Publication Date: 2014-02-12
ZTE CORP
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Problems solved by technology

[0003] Take the traditional three-way Doherty power amplifier as an example for illustration, such as figure 1 As shown, the three power amplifier tubes main (carrier frequency amplifier), peak (peak amplifier) ​​1, and peak2 are all discrete devices, but this three-way doherty power amplifier composed of discrete devices has the following defects or deficiencies: design and debugging Relatively complicated and time-consuming, it is difficult to control the consistency of mass production, and the PCB layout occupies a large area, and the layout space will also be limited

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  • Power amplification tube device, multi-channel radio-frequency power amplification circuit and implementation method thereof
  • Power amplification tube device, multi-channel radio-frequency power amplification circuit and implementation method thereof

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Embodiment Construction

[0023] In order to facilitate the description of the present invention, the implementation of the technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. 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.

[0024] An embodiment of the present invention provides a power amplifier tube device applied to a multi-way doherty, taking a three-way doherty circuit as an example, such as figure 2 As shown, the power amplifier tube device only includes a discrete power amplifier tube 1, and the power amplifier tube 1 is a three-terminal device, that is, it has three input pins and three output pins, and its three branches are respectively equivalent to figure 1 The main tube, peak1 tube, and peak2 tube in the three-way doherty shown are separated. In addition,...

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Abstract

A power amplifier transistor device, a multipath radiofrequency power amplifier circuit, and an implementation method therefor. The power amplifier transistor device is applicable in the multipath radiofrequency power amplifier circuit. The power amplifier transistor device comprises a multiport power amplifier transistor. The multiport power amplifier transistor is provided with multiple input pins and multiple output pins. Employment of the technical solution allows for increased consistency of production, while at the same time provides design and debugging of increased convenience, and facilitates PCB layout.

Description

technical field [0001] The invention relates to the technical field of radio frequency power amplifier circuit design, in particular to a power amplifier tube device, a multi-channel radio frequency power amplifier circuit and an implementation method thereof. Background technique [0002] With the competition of base station products becoming more and more fierce, customers put forward many new requirements, such as further increase of peak-to-average ratio, further increase of set-top power, etc., which reflects the multi-channel doherty (Doherty) power amplifier Advantages, for example, when the maximum back-off is 12dB (decibel), the three-way doherty power amplifier has higher efficiency than the two-way doherty power amplifier. [0003] Take the traditional three-way Doherty power amplifier as an example for illustration, such as figure 1 As shown, the three power amplifier tubes main (carrier frequency amplifier), peak (peak amplifier) ​​1, and peak2 are all discrete...

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Application Information

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IPC IPC(8): H03F1/07
CPCH03F1/0288H03F3/19H03F3/211H03F3/245
Inventor 陈化璋王刚张璠
Owner ZTE CORP
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