Ara es mostren els items 1-20 de 27

    • 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)
      Text en actes de congrés
      Accés obert
      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)
      Comunicació de congrés
      Accés obert
      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
      Accés restringit per política de l'editorial
      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
      Accés obert
      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 ...
    • Amplificació de potència per àudio: una introducció simplificada 

      Mas Casals, Orestes Miquel; Sanz Postils, Margarita; Moncunill Geniz, Francesc Xavier (Universitat Politècnica de Catalunya, 2017-05)
      Apunts
      Accés obert
    • Col·lecció de problemes 

      Mas Casals, Orestes Miquel; Miró Sans, Joan Maria; Moncunill Geniz, Francesc Xavier; Sanz Postils, Margarita (Universitat Politècnica de Catalunya, 2023-03-21)
      Problema, exercici
      Accés obert
    • 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)
      Comunicació de congrés
      Accés obert
      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)
      Report de recerca
      Accés obert
      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)
      Examen
      Accés restringit a la comunitat UPC
    • Examen Final 

      Mas Casals, Orestes Miquel; Moncunill Geniz, Francesc Xavier; Muñoz Medina, Olga; Sanz Postils, Margarita (Universitat Politècnica de Catalunya, 2012-01-19)
      Examen
      Accés restringit a la comunitat UPC
    • 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
      Accés obert
      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 ...
    • MICROELECTRÒNICA (Material docent 1r quadrimestre) 

      Moncunill Geniz, Francesc Xavier (Universitat Politècnica de Catalunya, 2020-06)
      Problema, exercici
      Accés obert
    • P-Spice para teoría de circuitos 

      Miguel López, José María; Sanz Postils, Margarita; Miró Sans, Joan Maria; Moncunill Geniz, Francesc Xavier; Mas Casals, Orestes Miquel (Edicions UPC, 1999)
      Llibre
      Accés restringit a la comunitat UPC
      Sobre PSPICE se han escrito muchos y buenos libros.Pero creo sinceramente que al lector que se acerca al tema por primera vez con uno de ellos le puede suceder lo mismo que al ecologista novel:Que los árboles le impidan ...
    • 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)
      Comunicació de congrés
      Accés obert
      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)
      Text en actes de congrés
      Accés obert
    • 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 ...
    • Simulació de circuits amb SPICE : una introducció simplificada 

      Mas Casals, Orestes Miquel; Moncunill Geniz, Francesc Xavier; Sanz Postils, Margarita (Universitat Politècnica de Catalunya, 2021-03)
      Apunts
      Accés obert
    • 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
      Accés obert
      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 ...
    • 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
      Accés obert
      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
      Accés obert
      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 ...