X波段地面雷达微波平衡放大器设计

    • 摘要: 本文设计了一种面向地面雷达的X波段平衡式放大器,采用型号为CE3512K2的砷化镓微波低噪声放大器作为信号放大基本器件,通过设计工作频点为9.35GHz的定向耦合器对微波能量进行功分与合并。文中提出单级平衡式放大器和双级平衡式放大器的设计方法,详细给出两种放大器各个电路的优化方案,所设计的平衡式放大器带宽为100MHz,在工作频点9.35GHz处单级平衡式放大器的增益9.62dB,双级平衡式放大器的增益为21.76dB,电路未发生自激振荡,能够稳定工作,满足微波工程的实际应用。

       

      Abstract: An X-band balanced amplifier for the application of the ground based radar is designed in this work. The CE3512K2 gallium arsenide (GaAs) microwave low-noise amplifier is employed as the fundamental signal amplification device, while a directional coupler operating at 9.35 GHz is engineered to achieve power division and recombination of microwave energy. Design methodologies for both single-stage and two-stage balanced amplifiers are proposed, with detailed optimization schemes provided for each circuit section. The implemented balanced amplifiers exhibit a bandwidth of 100 MHz, achieving a gain of 9.62 dB for the single-stage configuration and reaching a gain of 21.76 dB for the two-stage configuration at 9.35 GHz. No oscillation is observed, confirming stable operation and demonstrating effectiveness for practical microwave engineering applications.

       

    /

    返回文章
    返回