⚡ 本页包含 AI 生成的分析内容，仅供参考
该论文提出了一种114GHz圆极化辐射单元，通过基频振荡器直接产生圆极化信号，避免了传统功率合成方法中的损耗和功耗问题。实现了14dBm EIRP、-99.3dBc/Hz@1MHz偏移的相位噪声，为毫米波/太赫兹成像和传感应用提供了高效低噪声的解决方案。
viable choice for imaging/sensing applications by offering faster scan time and robust source-detector alignment compared to linear radiation [1]. Power-efficient generation of a low-noise, highpower mm-wave/THz circular-polarized signal in silicon continues to be a challenging task. Due to limited output power of transistors at mm-wave, power combining methods (e.g., on-chip or spatial power combining) are employed to achieve high radiated power from multiple oscillator elements [1-5]. These methods, however, require lossy passive or power-hungry active coupling networks to lock the oscillators together, thereby degrading DC-to-RF efficiency
Radiating Element with 14dBm EIRP, -99.3dBc/Hz, Phase-Noise at 1MHz Offset and 3.7% Peak Efficiency
Peyman Nazari, Saman Jafarlou, Payam Heydari University of California, Irvine, CA Circular-polarized (CP) radiation is found to be a