Ara es mostren els items 10-28 de 28

    • 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 ...
    • 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 ...
    • 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
      Accés obert
      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 ...
    • Treball: l’Acceleròmetre 

      Mas Casals, Orestes Miquel; Miró Sans, Joan Maria; Moncunill Geniz, Francesc Xavier; Muñoz Medina, Olga; Sanz Postils, Margarita (Universitat Politècnica de Catalunya, 2016)
      Treball d'assignatura
      Accés obert
    • 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
      Accés obert