A power amplifier circuit and power amplifier box
A power amplification circuit and amplifier technology, applied in electrical components, transmission systems, etc., can solve problems such as unstable data transmission, insufficient output power, insufficient receiving gain, etc., and achieve the effects of light weight, simple structure, and convenient use
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[0026] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.
[0027] Any feature disclosed in this specification (including any appended claims, abstract), unless otherwise stated, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.
[0028] Such as figure 1 As shown, the present invention describes a power amplifying circuit, which at least includes a coupler, a detector, a comparator, a receiving channel, a first switching switch and a second switching switch of a transmitting channel. The coupler couples the port signal of the first radio frequency interface of the power amplifying circuit, and outputs the coupled signal. The wave detector processes the coupling signal, and outputs a DC dete...
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