Abstract: A device for receiving and demodulating an amplitude-modulated RF signal, comprising: a first antenna; a first amplifier coupled to the first antenna; a receiving module including: a) a second antenna; b) a second amplifier coupled to the second antenna; c) a phase-shifter coupled to the second amplifier and applying a phase-shift ?; d) a mixer comprising inputs coupled to the phase-shifter and to the first amplifier, and outputting a product of signals received at the input, and wherein the value of the phase-shift ? is such that the device performs a demodulation of the RF signal when a wavefront of the RF signal forms, with an axis of alignment of the antennas, an angle ? having a particular value a which depends on the phase-shift ? and on a distance between the antennas.

Abstract: A radiofrequency transmission/reception integrated circuit includes at least one radiofrequency signal amplifier (PA, LNA), the at least one amplifier being configured, in operational mode, so as to perform a function of amplifying a radiofrequency signal applied at input, wherein the amplifier is configured so as to perform an oscillator function in a self-test mode of the integrated circuit, to generate a radiofrequency signal on at least one of the input or the output of said amplifier. A self-test method for such an integrated circuit is also provided.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A device for receiving and demodulating an amplitude-modulated RF signal, comprising: a first antenna; a first amplifier coupled to the first antenna; a receiving module including: a) a second antenna; b) a second amplifier coupled to the second antenna; c) a phase-shifter coupled to the second amplifier and applying a phase-shift ?; d) a mixer comprising inputs coupled to the phase-shifter and to the first amplifier, and outputting a product of signals received at the input, and wherein the value of the phase-shift ? is such that the device performs a demodulation of the RF signal when a wavefront of the RF signal forms, with an axis of alignment of the antennas, an angle ? having a particular value a which depends on the phase-shift ? and on a distance between the antennas.

Abstract: A radiofrequency transmission/reception integrated circuit includes at least one radiofrequency signal amplifier (PA, LNA), the at least one amplifier being configured, in operational mode, so as to perform a function of amplifying a radiofrequency signal applied at input, wherein the amplifier is configured so as to perform an oscillator function in a self-test mode of the integrated circuit, to generate a radiofrequency signal on at least one of the input or the output of said amplifier. A self-test method for such an integrated circuit is also provided.

Abstract: A carrier recovery system for a receiver of a phase-modulated signal N-PSK, the system including a first pre-conditioning circuit of the signal received (S(t)), with the pre-conditioned signal (SP(t)) having a component, non-modulated in phase, at the frequency Nƒc where ƒc is the carrier used for the modulation N-PSK, and a carrier regeneration circuit to regenerate two sinusoidal signals in quadrature at the frequency ƒc, with these signals being phase locked with respect to said non-modulated component in phase of the pre-conditioned signal.

Abstract: 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.

Abstract: 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.

Abstract: A voltage-controlled oscillator, including a voltage-controlled LC resonator including at least one first output node; an amplifier including at least one first dual-gate MOS transistor including first and second gates, coupling the first output node to a second node of application of a reference potential; and a regulation circuit capable of applying to the second gate of the first transistor a bias voltage variable according to the amplitude of the oscillations of a signal delivered on the first output node of the oscillator.

Abstract: 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, in which the PCM portion is continuous and has an elongated shape such that an input and an output of the switch are connected to two ends of the PCM portion respectively that are separated from each other by a distance corresponding to the largest dimension of the PCM portion, and comprising a control device of the state of the switch capable of passing heating currents through the PCM portion, approximately perpendicular to the largest dimension of the PCM portion, from at least two input points separated from each other and separated from the ends of the PCM portion, to at least two output points separated from each other and separated from the ends of the PCM portion.

Abstract: 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.

Abstract: 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, in which the PCM portion is continuous and has an elongated shape such that an input and an output of the switch are connected to two ends of the PCM portion respectively that are separated from each other by a distance corresponding to the largest dimension of the PCM portion, and comprising a control device of the state of the switch capable of passing heating currents through the PCM portion, approximately perpendicular to the largest dimension of the PCM portion, from at least two input points separated from each other and separated from the ends of the PCM portion, to at least two output points separated from each other and separated from the ends of the PCM portion.

Abstract: 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.

Abstract: A multichannel splitter formed from 1 to 2 splitters. An input terminal of a first 1 to 2 splitter defines an input of the multichannel splitter. The 1 to 2 splitters are electrically series-connected. First respective outputs of the 1 to 2 splitters define output terminals of the multichannel splitter.

Abstract: 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.

Abstract: A radiofrequency receiver device including: a local oscillator oscillating at an adjustable local frequency; a mixer receiving radiofrequency signals and the output of the local oscillator for the supply of intermediate-frequency signals; a filtering system configured and positioned to filter the signals according to a bandpath with an adjustable frequency bandwidth; and a data detector in the intermediate-frequency signals. It further includes means for adjusting the local frequency of the local oscillator, between minimum and maximum oscillation frequencies, and for adjusting the bandpath of the filtering system, between minimum and maximum frequency bandwidths, wherein the adjusting means are suitable for adjusting the local frequency and the bandpath until the detector detects a predetermined identification code in one of the intermediate-frequency signals.

Abstract: A connector for a plastic waveguide includes a connector body having first and second openings aligned with one another. The first opening is configured to receive the plastic waveguide. A radio frequency (RF) antenna is positioned within the second opening of the connector body.

Abstract: A voltage-controlled oscillator, including a voltage-controlled LC resonator including at least one first output node; an amplifier including at least one first dual-gate MOS transistor including first and second gates, coupling the first output node to a second node of application of a reference potential; and a regulation circuit capable of applying to the second gate of the first transistor a bias voltage variable according to the amplitude of the oscillations of a signal delivered on the first output node of the oscillator.