Hybrid broadband high-precision phase shifter integrated circuit
A technology of integrated circuits and phase shifters, which is applied in the field of hybrid broadband high-precision phase shifter integrated circuits, which can solve the problems of difficult to meet the design requirements of broadband high-precision phase shifters, difficult to guarantee phase shift accuracy at the frequency band edge, and phase dependence, etc. problems, to achieve the effect of improving phase shifting accuracy, expanding phase shifting bandwidth, and reducing insertion loss
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[0034] The purpose and effects of the present invention will become clearer by describing the present invention in detail according to the accompanying drawings and preferred embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0035] Such as figure 1 As shown, the hybrid broadband high-precision phase shifter integrated circuit proposed by the present invention consists of a π-type L-C phase shifter unit, a 22.5° switch type phase shifter unit, a 45° switch type phase shifter unit, a broadband quadrature signal generator and a quadrant The selection unit and the transformer are cascaded in sequence; among them, the π-type L-C phase-shifting unit generates two phase-shifting states of 5.625° and 11.25° by controlling the 2-bit capacitor array, and the 22.5° and 45° switch-type phase-shifting units are respectively used for Generate 22.5° and 45° phase shift state...
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