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本文描述能连续可调相位和幅度控制的Ku波段微带移相器。三级双栅场效应晶体管放大器提供了可变的幅度矢量,那些可变的幅度矢量由120°角分开并且通过正交耦合器电路相加。该移相器提供360°相移,具有大于20分贝的幅度加权能力。
This article describes a Ku-band microstrip phase shifter with continuously adjustable phase and amplitude control. Three-stage double-gate field effect transistor amplifiers provide variable amplitude vectors that are separated by a 120 ° angle and summed by a quadrature coupler circuit. The phase shifter provides a 360 ° phase shift with amplitude weighting greater than 20 dB.