A kind of multi-phase phase shifter and multi-phase phase shifting method
A multi-phase and phase shifter technology, applied in the field of phase shifters, can solve the problems of long debugging time, uncontrollable phase error, poor phase shifting accuracy, etc., and achieve the effect of short debugging time
Active Publication Date: 2022-01-21
GUANGZHOU HUIZHI MICROELECTRONICS
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Problems solved by technology
[0002] In order to solve the problem of inconsistent output load and poor phase shift accuracy caused by the difference between the I / Q two-way current of the differential adder in the multi-phase phase shifter, in related technologies, manually adjust the current value of the I / Q two-way , until the expected phase is restored, additional debugging is required, the debugging time is long, and the phase error is uncontrollable
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[0064] The present application will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the embodiments provided here are only used to explain the present application, and are not intended to limit the present application. In addition, the embodiments provided below are some embodiments for implementing the application, rather than providing all the embodiments for implementing the application. In the case of no conflict, the technical solutions described in the embodiments of the application can be combined in any manner implement.
[0065] It should be noted that, in the embodiments of the present application, the terms "comprising", "comprising" or any other variant thereof are intended to cover non-exclusive inclusion, so that a method or device comprising a series of elements not only includes the explicitly stated elements, but also include other elements not explicitly listed, or also include ...
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The embodiment of the present application proposes a multi-phase phase shifter and a multi-phase phase shifting method, including: a quadrature signal generator, a differential adder, a controller and an amplification circuit; the output terminal of the quadrature signal generator is connected to the The first input end of the differential adder is connected, and the quadrature signal generator is used to generate the first quadrature signal; the output end of the controller is connected with the second input end of the differential adder, and the controller uses Generate a control signal for controlling the differential adder based on a preset phase shift angle; the output end of the differential adder is connected to the input end of the amplification circuit, and the differential adder is used to control the differential adder based on the control signal. Perform vector synthesis and phase compensation on the first orthogonal signal to obtain a first equal phase shift signal; the amplifying circuit is configured to perform power amplification on the first equal phase shift signal to obtain a second equal phase shift after power amplification Signal.
Description
technical field [0001] The present application relates to phase shifter technology, in particular to a multiphase phase shifter and a multiphase phase shift method. Background technique [0002] In order to solve the problem of inconsistent output load and poor phase shift accuracy caused by the difference between the I / Q two-way current of the differential adder in the multi-phase phase shifter, in related technologies, manually adjust the current value of the I / Q two-way , until the expected phase is restored, additional debugging is required, the debugging time is long, and the phase error is uncontrollable. Contents of the invention [0003] Embodiments of the present application are expected to provide a multi-phase phase shifter and a multi-phase phase shift method. [0004] In the first aspect, the embodiment of the present application provides a multiphase phase shifter, including: a quadrature signal generator, a differential adder, a controller, and an amplifier...
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IPC IPC(8): H03H11/16
CPCH03H11/16
Inventor 彭洋洋李平李阳
Owner GUANGZHOU HUIZHI MICROELECTRONICS