Stmicroelectronics S.a.

Centre National De La Recherche Scientifique

Commissariat &#xc0; L'&#xc9;nergie Atomique Et Aux &#xc9;nergies Alternatives

Sgs-thomson Microelectronics S.a.

Universitë De Bordeaux

Institut Polytechnique De Bordeaux

Stmicroelectronics Gmbh

Commissariat a L'energie Atomique Et Aux Energies Alternatives

Didier Belot

Yann Deval

Eric Kerherve

Andreia Cathelin

Jean-Baptiste Begueret

Baudouin Martineau

Jean-François Carpentier

Francois Rivet

Alexandre Augusto Shirakawa

Stephane Razafimandimby

Patrick Bernard

Jean-Marie Pham

Pierre Jary

Hervé Lapuyade

Nathalie Deltimple

Pascal Persechini

Dominique Dallet

André Mariano

Laurent Dugoujon

Moustapha El Hassan

Thierry Taris

Jean-Baptiste Dore

Alexandre Shirakawa

Massimo Brandolini

Franck Badets

Vincent Knopik

Christophe Dubarry

Olivier Richard

Vincent Le Goascoz

Denis Pache

Patrice Garcia

Frédéric Hameau

Cyrille Tilhac

Andrea Cathelin

Francesco Svelto

Pierre Jarry

Francesco Foglia Manzillo

Aurelien Larie

Corinne Berland

Mathieu Egot

Jacques Quervel

Andréia Cathelin

Laurent Leyssenne

Nicolas Delaunay

Marco Sosio

Vincent Lagareste

Pierre Melchior

Jean-François Bercher

Isabelle Hibon

Martine Villegas

Jonathan Muller

Aurélien Larie

Jean-Baptiste Doré

Hervé Boutry

Olivier Valorge

Pierre-Olivier Lucas De Peslouan

Cédric Majek

Bernardo Leite

A microcircuit integrating a waveguide with a rectangular cross-section, the microcircuit including a first chip and a second chip assembled on each other, the waveguide being located in a junction zone between chips and extending in parallel to the chips, the waveguide including a first conductive plate located on the side of the first chip and parallel to the first chip, and a second conductive plate, located on the side of the second chip and parallel to the second chip, the waveguide being laterally delimited on one and the other side of the waveguide by one or more electrical connecting elements electrically connecting the first chip to the second chip.

Integrated waveguide microcircuit

A radio wave transceiver system, including: at least one waveguide made of a dielectric material; a transceiver circuit coupled to a first end of each of said at least one waveguide, capable of transmitting and/or of receiving radio waves respectively propagating in said at least one waveguide; and at least one antenna coupled to a second end of said at least one waveguide, capable of transmitting and/or of receiving said waves to/from a non-guided external medium.

Radio transceiver precise time delay measurement system

A system for bidirectional transmission in a plastic waveguide of a plurality of signals, between a first transceiver device and a second transceiver device, the plurality of signals comprising a payload carrier signal and one or more reference signals generated by one or more local oscillators on different frequencies, the first transceiver device being a power radio transceiver device, the second transceiver device being a multisignal transceiver device with no energy consumption which comprises a passive transmitter and a passive receiver.

System for bidirectional transmission of signals in a plastic waveguide

A millimeter-wave waveguide including at least one strip of a dielectric material having a dielectric constant in the range from 1 to 4, a sheath surrounding the strip, and at least four ribs connecting the strip to the sheath.

Millimeter-wave waveguide

Switch comprising at least one PCM portion that can be in a conducting or blocked state depending on the amorphous or crystalline state of the PCM that can change state when it is heated,

Switch with phase change material

A millimeter-wave transmission device including a waveguide made of a material having a dielectric constant in the range from 1 to 4, the waveguide being solid at each of its ends with an electronic unit embedded in the material of the waveguide, the electronic unit including a millimeter wave transceiver circuit, an antenna capable of transmitting and receiving the millimeter waves, a modulation-demodulation circuit, and input-output conductors.

Milimeter-wave transmission device

A method for generating a radio frequency signal, wherein a signal to be transmitted is decomposed into a weighted sum of periodic basic signals of different frequencies.

Radio frequency signal transmission method and device

A device for generating a signal, including: a balun; and a circuit capable of summing up, on a first access terminal of the balun, currents representative of signals received on first input terminals of the device, and on a second access terminal of the balun, currents representative of signals received on second input terminals of the device.

Signal generation device

The invention concerns a circuit for multi-standard wireless RF transmission comprising: input circuitry (to) for generating a transmission signal (I(t), Q(t)) based on an input data signal (I, Q); a power amplifier () adapted to amplify said transmission signal to provide an output signal (S(t)) for transmission via at least one antenna; and feedback circuitry (to) comprising at least one variable low-pass filter () for generating a feedback signal (I, Q) based on said output signal, wherein said input circuitry further comprises pre-distortion circuitry () adapted to modify said input data signal (I, Q) based on said feedback signal.

Multi-standard wireless transmitter

Continuous time analog/digital converter, comprising a sigma delta modulator (MSD) configured to receive an analog input signal (x(t)) and comprising high-pass filtering means (MF) the chopping frequency of which is equal to half of the sampling frequency (Fs) of the quantization means (QTZ) of the modulator (MSD).

Continuous time analogue/digital converter

Device comprising processing means (MT), transmission channels (VE, . . . VEn), an antenna array for transmitting signals comprising a number of antennas (A. . . A) respectively associated with the transmission channels, a number of digital-analog converters (DAC) and a number of phase-shifting means (MD, . . . MDn) respectively associated with the antennas, said phase-shifting means (MD, . . . MDn) being placed between the processing means (MT) and the digital-analog converters (DAC) and including digital all-pass filters of FIR type (PT), the processing means comprising control means (MC) configured to adjust the coefficients and/or the order of the all-pass filters of FIR type.

Phase-shifting device for antenna array

A filtering circuit with BAW type acoustic resonators having at least a first quadripole and a second quadripole connected in cascade, each quadripole having a branch series with a first acoustic resonator of type BAW and a branch parallel with each branch having an acoustic resonator of type BAW, the first acoustic resonator having a frequency of resonance series approximately equal to the frequency of parallel resonance of the second acoustic resonator, the branch parallel of the first quadripole having a first capacitance connected in series with the second resonator and, in parallel with the capacitance, a first switching transistor to short circuit the capacitance.

Bulk acoustic wave resonator filter being digitally reconfigurable, with process

Device for generating a signal of parametrizable frequency comprising a phase locked loop including a generator of a reference signal, a phase-frequency comparator comprising a first input for receiving the reference signal, an oscillator controlled on the basis of the result output by the phase-frequency comparator, a fractional divider coupled between an output of the oscillator and a second input of the phase-frequency comparator, and a selector selectively linking an input of the oscillator either with an input of the generator, or with the output of the oscillator as a function of the multiplication ratio of the fractional divider.

Device and method for generating a signal of parametrizable frequency

A bulk acoustic wave resonator has an adjustable resonance frequency. A piezoelectric element is provided having first and second electrodes. A switching element is provided in the form of a MEMS structure which is deformable between a first and second position. The switching element forms an additional electrode that is selectively disposed on top of, and in contact with, one of the first and second electrodes. This causes a total thickness of the electrode of the resonator to be changed resulting in a modification of the resonance frequency of the resonator.

Bulk acoustic wave resonator with adjustable resonance frequency and use of such a resonator in the field of telephony

Continuous time analogue/digital converter, comprising a sigma delta modulator (MSD) configured to receive an analogue input signal (x(t)) and comprising high-pass filtering means (MF) the chopping frequency of which is equal to half of the sampling frequency (Fs) of the quantization means (QTZ) of the modulator (MSD).

Growing community of inventors

Rives, France

Didier Belot