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
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[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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