Ku波段高增益8通道T/R组件设计与实现

Design and implementation of a Ku-band high gain eight-channel T/R module

利用低温共烧陶瓷(LTCC)高集成化设计优势,设计并实现了一款Ku波段高增益8通道T/R组件。该组件通过双向放大器的合理运用,有效提高了组件的收发增益,同时利用液态金属材料的特性,将硅铝壳体与铝合金散热齿进行有机结合,大大提高了组件在连续波发射工作模式下的热量传导能力,保证了组件小体积下工作的可靠性。最终设计实现的Ku波段高增益8通道T/R组件,体积仅84 mm×48 mm×6 mm,质量约60 g,发射功率增益大于45 dB,发射输出功率大于1 W,接收增益大于29 dB,接收噪声系数小于3.5 dB。该组件8个通道收发性能一致性好,性能稳定,具有良好的工程实用价值。

A Ku-band high gain eight-channel Transmitter and Receiver(T/R)module is discussed and fabricated with the advantages of highly integrated design of Low Temperature Co-fire Ceramic(LTCC)technologies.The module improves the transmit and receive gains of the component effectively by using bidirectional amplifier.By combining the silicon aluminum shell and the aluminum alloy heat dissipation teeth,the heat conduction ability of the module under continous wave emission conditions is improved greatly.A transmitting power level of 1 W,an emission gain greater than 45 dB,and a receiving gain greater than 29 dB,a receiving circuit noise less than 3.5 dB of the eight-channel T/R module are realized,with a size of 84 mm×48 mm×6 mm,and a low weight of 60 grams.The eight channels of the module have good consistency and stable performance.The module has a good engineering applicability value.