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Smart Receivers with Modular and Multifunctional Front-End Blocks: The Benefits of Using Programmable Modulators and Demodulators
摘要： This article presents a technique to convert a standard TV receiver into an intelligent communication hub for smart home applications. The transformation of a standard TV receiver is achieved by introducing a modular front-end block, designed with a programmable modulator and demodulator based on the software-defined radio (SDR) concept. Programmable modulators and demodulators can receive different types of signals and transform one type of signal to another. A multifunctional front-end block will transform a standard TV receiver into a smart receiver.
关键词： modular front-end,software-defined radio,smart receivers,programmable modulators,smart home,demodulators
更新于2025-09-04 15:30:14
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Towards the Realization of Graphene Based Flexible Radio Frequency Receiver
摘要： We report on our progress and development of high speed flexible graphene field effect transistors (GFETs) with high electron and hole mobilities (~3000 cm2/V·s), and intrinsic transit frequency in the microwave GHz regime. We also describe the design and fabrication of flexible graphene based radio frequency system. This RF communication system consists of graphite patch antenna at 2.4 GHz, graphene based frequency translation block (frequency doubler and AM demodulator) and graphene speaker. The communication blocks are utilized to demonstrate graphene based amplitude modulated (AM) radio receiver operating at 2.4 GHz.
关键词： AM radio receiver,demodulators,speaker,transistor,antenna,graphene
更新于2025-09-04 15:30:14