Title:
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A high-resolution UWB IR superregenerative receiver front end with an SRD quench shaper
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Author:
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Moncunill Geniz, Francesc Xavier; Bonet Dalmau, Jordi; Palà Schönwälder, Pere; Águila López, Francisco del; Giralt Mas, Ma. Rosa
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Other authors:
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Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Universitat Politècnica de Catalunya. Departament de Disseny i Programació de Sistemes Electrònics; Universitat Politècnica de Catalunya. CIRCUIT - Grup de Recerca en Circuits i Sistemes de Comunicació |
Abstract:
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We present a simple receiver front end that makes use of the baseband superregeneration principle to detect ultrawideband (UWB) impulse radio signals. The UWB antenna is directly connected to the core circuit consisting of a resistor-capacitor (RC) network coupled to a negative resistance that varies under the control of an external quench generator. Due to a step-recovery-diode quench shaper, 50-ps time-domain sensitivity windows are generated that filter the received pulses and reject noise and interference. The circuit achieves high gain, exhibits automatic gain control, and directly demodulates binary phase modulations. |
Abstract:
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Peer Reviewed |
Subject(s):
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-Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Antenes i agrupacions d'antenes -Antennas (Electronics) -Microwave measurements -ultrawideband (UWB) communication. -Circuit stability -impulse radio (IR) -low-power design -radio receivers -step recovery diode (SRD) -superregenerative receiver -Antenes de microones -Microones -- Mesurament |
Rights:
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Document type:
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Article - Published version Article |
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