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本文提出了一种基于塑料基底薄膜晶体管和天线的超再生无线电,实现了在大型柔性 sheets 上的分布式无线通信。该工作解决了大面积电子学中长距离无线通信的关键挑战,利用超再生架构在塑料 TFT 上实现了低功耗射频链路。
Josue Sanz-Robinson, Sigurd Wagner, James C. Sturm, Naveen Verma Princeton University, Princeton, NJ Large-area electronics presents new form factors, enabling ubiquitous systems that are flexible and capable of scaling to very large areas. By processing thinfilm transistors (TFTs) at low temperatures on plastic (using organics, amorphous silicon, metal oxides, etc.), blocks such as ADCs, amplifiers, and processors can be realized [1,2]; however, aside from short-range RFID tags [3], wireless links for long-range communication have not been achieved. A key challenge is that wireless systems typically depend on the ability to generate and operate at high frequencies, yet TFTs are limited to very low performance (ƒt ~1MHz). Specifically, the challenge is low device gm, due to low mobility and limited gate-dielectric scalability, as well as high device capacitance, due to limited feature scalability and large overlaps for alignment margining on flexible substrates. This work presents a su
Liechao Huang, Warren Rieutort-Louis, Yingzhe Hu,