Browsing by Author "Moncunill Geniz, Francesc Xavier"Més informacióMés informació

Now showing items 1-17 of 17

  • A BPSK superregenerative receiver. Preliminary results 

    Palà Schönwälder, Pere; Moncunill Geniz, Francesc Xavier; Bonet Dalmau, Jordi; Águila López, Francisco del; Giralt Mas, Ma. Rosa (IEEE Press. Institute of Electrical and Electronics Engineers, 2009-05)
    Conference report
    Open Access
    This paper describes a bit-synchronous superregenerative receiver suitable for BPSK demodulation. The output of the superregenerative oscillator (SRO), which reproduces the phase information of the input signal, is ...

  • A direct-sequence spread-spectrum super-regenerative receiver 

    Moncunill Geniz, Francesc Xavier; Mas Casals, Orestes Miquel; Palà Schönwälder, Pere (Institute of Electrical and Electronics Engineers (IEEE), 2000)
    Conference lecture
    Open Access
    Current applications of the super-regenerative receiver use narrowband modulations. In this paper a new architecture that allows incoherent detection of spread-spectrum signals is presented. A pseudorandom code generator ...

  • A high-resolution UWB IR superregenerative receiver front end with an SRD quench shaper 

    Moncunill Geniz, Francesc Xavier; Bonet Dalmau, Jordi; Palà Schönwälder, Pere; Águila López, Francisco del; Giralt Mas, Ma. Rosa (2012-02-03)
    Article
    Restricted access - publisher's policy
    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 ...

  • A low in-band radiation superregenerative oscillator 

    Palà Schönwälder, Pere; Bonet Dalmau, Jordi; Moncunill Geniz, Francesc Xavier; Águila López, Francisco del; Giralt Mas, Ma. Rosa (2013-05-27)
    Article
    Open Access
    This brief describes a superregenerative (SR) voltage-controlled oscillator as a building block for SR receivers where most of the oscillator spectrum components are outside the reception frequency band. This allows ...

  • Design and performance comparison of a superregenerative MPSK transceiver 

    Bonet Dalmau, Jordi; López Riera, Alexis; Palà Schönwälder, Pere; Moncunill Geniz, Francesc Xavier; Babí Oller, Albert (2015)
    Conference lecture
    Open Access
    In this paper we present a superregenerative transceiver able to switch among BPSK, QPSK and 8PSK modulations. An HF-band proof-of-concept transceiver is implemented on an FPGA with a minimum of analog circuitry. The ...

  • Design of a synchronous superregenerative receiver at 2.4 GHz 

    Moncunill Geniz, Francesc Xavier (2003-06)
    External research report
    Open Access
    En aquest treball es descriu el procés de disseny i avaluació d'un receptor superregeneratiu per a la banda ISM de 2.4 GHz. El receptor utilitza un nou mode de funcionament en el qual el senyal d'extinció opera síncronament ...

  • Examen 1er quadrimestre 

    Mas Casals, Orestes Miquel; Moncunill Geniz, Francesc Xavier; Muñoz Medina, Olga; Sanz Postils, Margarita (Universitat Politècnica de Catalunya, 2013-01-07)
    Exam
    Restricted access to the UPC academic community

  • Examen Final 

    Mas Casals, Orestes Miquel; Moncunill Geniz, Francesc Xavier; Muñoz Medina, Olga; Sanz Postils, Margarita (Universitat Politècnica de Catalunya, 2012-01-19)
    Exam
    Restricted access to the UPC academic community

  • Joint symbol and chip synchronization for a burst-mode-communication superregenerative MSK receiver 

    López Riera, Alexis; Águila López, Francisco del; Palà Schönwälder, Pere; Bonet Dalmau, Jordi; Giralt Mas, Ma. Rosa; Moncunill Geniz, Francesc Xavier (2017-01-05)
    Article
    Open Access
    In this paper we describe a superregenerative (SR) MSK receiver able to operate in a burst-mode framework where synchronization is required for each packet. The receiver is based on an SR oscillator which provides samples ...

  • A proof-of-concept superregenerative QPSK transceiver 

    López Riera, Alexis; Palà Schönwälder, Pere; Bonet Dalmau, Jordi; Moncunill Geniz, Francesc Xavier; Águila López, Francisco del; Giralt Mas, Ma. Rosa (2014)
    Conference lecture
    Open Access
    In this paper we present a description and experimental verification of an HF-band proof-of-concept superregenerative transceiver for QPSK signals. We describe a simple implementation of an all-digital, FPGA-based, QPSK ...

  • Receptor superregenerativo para comunicaciones opticas no guiadas 

    Miguel López, José María; Moncunill Geniz, Francesc Xavier; Puerta Notario, Antonio (Universidad de Málaga, 1992)
    Conference report
    Open Access

  • 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)
    Conference lecture
    Restricted access - publisher's policy
    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 ...

  • 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)
    Conference lecture
    Open Access
    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 ...

  • 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
    Open Access
    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
    Open Access
    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 ...

  • 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)
    Conference report
    Open Access
    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)
    Part of book or chapter of book
    Open Access