With the rapid development of wireless communication technology, high-performance miniaturized RF circuits are becoming more complicated, and more functions and signals are being packed into a small, tight space, resulting in a significant level of electromagnetic (EM) interference and signal crosstalk. In modern wireless communication systems, a higher signal-to-noise ratio is desirable and can be attained using differential signals and circuits. Using the differential technique, commonmode (CM) interference is rejected, enhancing signal transparency. Thus, lots of attention has been drawn to differential/balanced circuits, owing to their advantages over traditional single-ended circuits, such as immunity to interference, high reliability, considerable output power, harmonic suppression, and so on [1]. Corresponding to this trend, differential topologies have been used to design basic and key devices for RF front-end systems, such as filters [2], [3], power dividers [4], antennas [5], [6], and active components [7].

中文翻译：

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差分馈电介质谐振器：在滤波器和天线中的应用

随着无线通信技术的飞速发展，高性能微型射频电路变得越来越复杂，越来越多的功能和信号被封装在一个小而紧凑的空间中，导致了显着的电磁（EM）干扰和信号串扰。在现代无线通信系统中，需要更高的信噪比，并且可以使用差分信号和电路来实现。使用差分技术，共模 (CM) 干扰被拒绝，增强了信号透明度。因此，由于差分/平衡电路与传统单端电路相比具有抗干扰能力强、可靠性高、输出功率大、谐波抑制等优点，因此受到了广泛关注[1]。顺应这一趋势，