Ara es mostren els items 21-33 de 33

    • Signal and noise power spectra in superregenerative oscillators 

      Bonet Dalmau, Jordi; Palà Schönwälder, Pere; Moncunill Geniz, Francesc Xavier; Águila López, Francisco del; Giralt Mas, Ma. Rosa (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Comunicació de congrés
      Accés obert
      This paper presents a method to quantify noise in superregenerative oscillators. A frequency domain technique, originally intended to determine the signal response, can also be used to determine the noise response. This ...
    • SNR measurement of superregenerative oscillators 

      Bonet Dalmau, Jordi; Palà Schönwälder, Pere; Moncunill Geniz, Francesc Xavier (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
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      In this paper a method to measure the signal-to-noise ratio of superregenerative oscillators is presented. A spectrum analyzer can easily be coupled to a superregenerative oscillator without paying attention to possible ...
    • Steady state analysis of Chua's circuit with RLCG transmission line 

      Bonet Dalmau, Jordi; Palà Schönwälder, Pere; Águila López, Francisco del (Institute of Electrical and Electronics Engineers (IEEE), 1999)
      Text en actes de congrés
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      In this paper we present a new technique to compute the steady state response of nonlinear autonomous circuits with RLCG transmission lines. Using multipoint Pade approximants, instead of the commonly used expansions around ...
    • Steady state analysis of class-E amplifier with non-linear capacitor by means of discrete-time techniques 

      Águila López, Francisco del; Palà Schönwälder, Pere; Bonet Dalmau, Jordi; Giralt Mas, Ma. Rosa (The Institute of Electrical and Electronics Engineers, 2000)
      Text en actes de congrés
      Accés obert
      A new method to determine the steady state response of switched nonlinear circuits is proposed. The method is based on a Gear discretization of the circuit equations. Additional samples of the waveform are used to describe ...
    • Sub-nanosecond pulse filtering and amplification through firts-order controlled circuit instability 

      Moncunill Geniz, Francesc Xavier; Palà Schönwälder, Pere; Bonet Dalmau, Jordi; Águila López, Francisco del; Giralt Mas, Ma. Rosa (2009)
      Comunicació de congrés
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      In this paper we investigate how to use controlled circuit instability in the filtering and amplification of narrow pulses. The basic circuit consists of a first-order RC network coupled to a negative resistance controlled ...
    • Super-regenerative receiver for OFDM communication 

      Moncunill Geniz, Francesc Xavier; Bonet Dalmau, Jordi; Águila López, Francisco del; Demirkol, Ilker Seyfettin; Palà Schönwälder, Pere (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Comunicació de congrés
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      In this paper, we demonstrate the suitability of the super-regenerative receiver in OFDM communication. The wellknown property of super-regenerative oscillators to preserve the amplitude and phase information is exploited ...
    • Super-regenerative receiver wake-up radio solution for 5G New Radio communications 

      Moncunill Geniz, Francesc Xavier; Águila López, Francisco del; Demirkol, Ilker Seyfettin; Bonet Dalmau, Jordi; Palà Schönwälder, Pere (2023-12-14)
      Article
      Accés obert
      Wake-up radio is a promising solution to reduce the energy wasted by mobile devices during an idle state. In this paper, we propose a new wake-up radio solution for 5G mobile devices based on a super-regenerative receiver ...
    • Superregeneration revisited: from principles to current applications 

      Palà Schönwälder, Pere; Bonet Dalmau, Jordi; Águila López, Francisco del; Moncunill Geniz, Francesc Xavier; Giralt Mas, Ma. Rosa (2020-02-01)
      Article
      Accés obert
      Wireless communications play a central role in our modern connected lives; at the same time, they constitute a very broad and deep area of research. The elements that make wireless communications possible are a transmitter, ...
    • A superregenerative QPSK receiver 

      Palà Schönwälder, Pere; Bonet Dalmau, Jordi; Moncunill Geniz, Francesc Xavier; Águila López, Francisco del; Giralt Mas, Ma. Rosa (2014-01)
      Article
      Accés obert
      In this paper we present a description and experimental verification of a superregenerative receiver (SR) for QPSK signals. Exploiting the fact that a conventional SR generates pulses which preserve the input phase ...
    • Superregenerative reception of narrowband FSK modulations 

      Palà Schönwälder, Pere; Bonet Dalmau, Jordi; López Riera, Alexis; Moncunill Geniz, Francesc Xavier; Águila López, Francisco del; Giralt Mas, Ma. Rosa (2015-03-01)
      Article
      Accés obert
      In this paper we investigate the possibilities of narrowband FSK detection using a superregenerative (SR) receiver. Previous SR FM demodulation techniques rely on detecting the amplitude variations caused by the different ...
    • Teaching symbolic language to non-native speakers 

      Bonet Dalmau, Jordi; Alsina Aubach, Montserrat (2012)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      In this paper, we describe how an on-line resource, primarily intended to improve the proficiency in a foreign language, can also facilitate the understanding of the symbolic language in an engineering degree course. We ...
    • The nonlinear class-E amplifier: a case study of harmonic balance applied to switched circuits 

      Bonet Dalmau, Jordi; Águila López, Francisco del; Moncunill Geniz, Francesc Xavier; Palà Schönwälder, Pere (IEEE Press. Institute of Electrical and Electronics Engineers, 2009-05)
      Text en actes de congrés
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      Nonlinear switched circuits are usually analyzed in the time domain. The use of frequency-domain methods to analyze the steady-state of switched circuits is usually restricted to linear circuits and, although Volterra ...
    • Ultra wideband impulse radio superregenerative reception 

      Moncunill Geniz, Francesc Xavier; Palà Schönwälder, Pere; Bonet Dalmau, Jordi; Águila López, Francisco del; Giralt Mas, Ma. Rosa (Intech, 2011-07-31)
      Capítol de llibre
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