Abrégé

A thermonuclear reactor of the invention comprises an ion cyclotron resonance heating system, the ion cyclotron resonance heating system comprising: a tunable antenna (1) having 4 signal ports, the tunable antenna allowing a transfer of power from its signal ports to an electromagnetic field produced in a vacuum chamber (2); a multiple-input-port and multiple-output-port tuning unit (4) having 4 input ports and 4 output ports, each of the output ports being indirectly coupled to one and only one of the signal ports through a coaxial transmission line (3); 4 high-power radio-frequency amplifiers (6), the output of each of which being indirectly coupled to one and only one of the 4 input ports through a coaxial transmission line (5); and a signal generation and control unit (7).

Classes IPC  ?

• H03H 7/40 - Adaptation automatique de l'impédance de charge à l'impédance de la source
• G21B 1/11 - Réacteurs de fusion thermonucléaire Détails
• H04B 1/04 - Circuits

Abrégé

A thermonuclear reactor of the invention comprises an ion cyclotron resonance heating system, the ion cyclotron resonance heating system comprising: an antenna (1), the antenna having 4 signal ports, the antenna allowing a transfer of power from its 4 signal ports to an electromagnetic field produced by the antenna in a vacuum chamber (2) of the thermonuclear reactor; a multiple-input-port and multiple-output-port tuning unit (4) having 4 input ports and 4 output ports, each of the output ports being indirectly coupled to one and only one of the signal ports through a coaxial transmission line (3); 4 high-power radio-frequency amplifiers (6), the output of each of which being indirectly coupled to one and only one of the 4 input ports through a coaxial transmission line (5); and a signal generation and control unit (7).

Classes IPC  ?

• H03H 7/40 - Adaptation automatique de l'impédance de charge à l'impédance de la source
• H04B 1/04 - Circuits
• G21B 1/11 - Réacteurs de fusion thermonucléaire Détails

Abrégé

The invention relates to a method and a device for pseudo-differential transmission through interconnections used for sending a plurality of electrical signals. An interconnection (1) having 4 transmission conductors and a return conductor (10) distinct from the reference conductor cannot be modeled as a uniform multiconductor transmission line. Each end of the interconnection (1) is connected to a termination circuit (4). Three damping circuits (8) are connected between the return conductor (10) and the reference conductor. The transmitting circuits (5) receive at their inputs the signals from the 4 channels of the two sources (2), and are connected to the interconnection (1). The receiving circuits (6) are connected to the interconnection (1), each receiving circuit (6) being such that the signals of the 4 channels of a source (2) connected to a transmitting circuit (5) in the activated state are sent to the four channels of the destinations (3), without noticeable echo, internal crosstalk and external crosstalk.

Classes IPC  ?

• H04B 3/32 - Réduction de la diaphonie, p. ex. par compensation
• H04B 3/46 - SurveillanceTests

Abrégé

The invention relates to a method and a device for transmission through interconnections used for sending a plurality of electrical signals. An interconnection (1) having 4 transmission conductors and a reference conductor cannot be modeled as a uniform multiconductor transmission line. Each end of the interconnection (1) is connected to a termination circuit (4). The transmitting circuits (5) receive at their inputs the signals from the 4 channels of the two sources (2), and are connected to the interconnection (1). A transmitting circuit (5) in the activated state produces modal electrical variables, each modal electrical variable being allocated to one and only one channel. The receiving circuits (6) are connected to the interconnection (1), each receiving circuit (6) being such that the signals of the 4 channels of a source (2) connected to a transmitting circuit (5) in the activated state are sent to the four channels of the destinations (3), without noticeable echo and internal crosstalk.

Classes IPC  ?

• H04B 3/32 - Réduction de la diaphonie, p. ex. par compensation
• H04B 3/46 - SurveillanceTests

Abrégé

The invention relates to a device for pseudo-differential transmission through interconnections used for sending a plurality of electrical signals. An interconnection (1) comprises 4 transmission conductors (11) (12) (13) (14) and 5 elementary return conductors (101) (102) (103) (104) (105) which are distinct from the reference conductor (7). One end of the interconnection (1) is connected to a termination circuit (4). A transmitting circuit (5) receives at its input the signals from the 4 channels of a source (2), and is connected to the conductors of the interconnection (1). Each output signal of a receiving circuit (6) is mainly determined by one or more of the voltages between one of its signal terminals connected to the transmission conductors (11) (12) (13) (14) and its common terminal connected to the elementary return conductors (101) (102) (103) (104) (105). The signals of the 4 channels of the source (2) are sent to the four channels of the destinations (3) without noticeable external crosstalk.

Classes IPC  ?

• H04B 3/02 - Systèmes à ligne de transmission Détails
• H04L 25/08 - Modifications pour réduire les perturbationsModifications pour réduire les effets des défauts de ligne
• H04L 25/02 - Systèmes à bande de base Détails

Abrégé

The invention relates to an interfacing device for transmission through interconnections used for sending a plurality of electrical signals. The interfacing device of the invention comprises signal terminals (101) and a common terminal ( 100). A transmitting circuit (5) receives the "input signals of the transmitting circuit" coming from a source (2). The output of the transmitting circuit (5) delivers, when the transmitting circuit (5) is in the activated state, voltages between one of said signal terminals (101) and the reference terminal (ground). A receiving circuit (6) delivers, when the receiving circuit is in the activated state, "output signals of the receiving circuit" determined each by the voltage between one of said signal terminals (101) and said common terminal (100), to the destination (3). In the closed state, the common terminal switching circuit (9) is, for the common terminal (100), equivalent to a voltage source delivering a constant voltage, connected in series with a passive two-terminal circuit element presenting a low impedance.

Classes IPC  ?

• H04B 3/18 - Réglage de la transmissionÉgalisation caractérisés par un réseau à impédance négative utilisé dans lequel le réseau comporte des dispositifs semi-conducteurs
• H05K 1/02 - Circuits imprimés Détails
• H03K 19/0185 - Dispositions pour le couplageDispositions pour l'interface utilisant uniquement des transistors à effet de champ
• H04L 25/02 - Systèmes à bande de base Détails
• H04L 25/08 - Modifications pour réduire les perturbationsModifications pour réduire les effets des défauts de ligne

Abrégé

The invention relates to a method and a device for pseudo-differential transmission in interconnections used for sending a plurality of electrical signals. The ends of an interconnection (1) having 4 transmission conductors and a return conductor (10) distinct from the reference conductor (7) are each connected to a termination circuit (4). Three damping circuits (8) are connected between the return conductor (10) and the reference conductor (7). The transmitting circuits (5) receive at their inputs the signals from the 4 channels of the two sources (2), and are connected to the conductors of the interconnection (1). A transmitting circuit (5) in the activated state produces modal electrical variables, each modal electrical variable being allocated to one and only one channel. The receiving circuits (6) are connected to the conductors of the interconnection (1), each receiving circuit (6) being such that the 4 channels of a source (2) connected to a transmitting circuit (5) in the activated state are sent to the four channels of the destinations (3), without noticeable echo, internal crosstalk and external crosstalk.

Classes IPC  ?

• H04B 3/32 - Réduction de la diaphonie, p. ex. par compensation
• H04L 25/02 - Systèmes à bande de base Détails

Abrégé

The invention relates to a method and a device for pseudo-differential transmission in interconnections used for sending a plurality of electrical signals. The ends of an interconnection (1) having 4 transmission conductors and a return conductor (10) distinct from the reference conductor (7) are each connected to a termination circuit (4). Three damping circuits (8) are connected between the return conductor (10) and the reference conductor (7). The transmitting circuits (5) receive at their inputs the signals from the 4 channels of the two sources (2), and are connected to the conductors of the interconnection (1). A transmitting circuit (5) in the activated state produces natural electrical variables, each natural electrical variable being allocated to one and only one channel. The receiving circuits (6) are connected to the conductors of the interconnection (1), each receiving circuit (6) being such that the 4 channels of a source (2) connected to a transmitting circuit (5) in the activated state are sent to the four channels of the destinations (3) without noticeable echo, internal crosstalk and external crosstalk.

Classes IPC  ?

• H04B 3/32 - Réduction de la diaphonie, p. ex. par compensation
• H04L 25/02 - Systèmes à bande de base Détails

Abrégé

The invention relates to a receiving circuit for transmission through interconnections used for sending a plurality of electrical signals. Each of the 'output signals of the receiving circuit' produced by the receiving circuit of the invention is delivered to an output (68) which is an output of a combining circuit (64) having 4 inputs and 4 outputs. Each signal terminal (101) is connected to a first input terminal of a differential circuit (61), said differential circuit also having a second input terminal and a single output terminal. The common terminal (100) is connected to the second input terminal of each of said differential circuits (61). Each input of said combining circuit (64) is coupled to the output terminal of one of said differential circuits (61). Each of said 'output signals of the receiving circuit' is a linear combination of the voltages between one of said signal terminals (101) and said common terminal (100).

Classes IPC  ?

• H04B 3/32 - Réduction de la diaphonie, p. ex. par compensation
• H04L 25/02 - Systèmes à bande de base Détails

Abrégé

Multiple-input and multiple-output amplifier having pseudo-differential inputs The invention relates to an amplifier capable of delivering a plurality of output signals, these output signals being controlled by a plurality of input signals.A multiple-input and multiple-output amplifier of the invention comprises a common input terminal (10), 4 signal input terminals (11) (12) (13) (14), 4 signal output terminals (21) (22) (23) (24), a common terminal amplifier (9), 4 active sub-circuits (30) and a feedback network (40). Each active sub-circuit (30) has a sub-circuit input terminal connected to one of the signal input terminals (11) (12) (13) (14), a sub-circuit output terminal connected to one of the signal output terminals (21) (22) (23) (24) and a sub-circuit common terminal. The feedback network (40) has 4 "C" terminals and one "R" terminal. Each of said "C" terminals of the feedback network (40) is coupled to the sub-circuit common terminal of one of said active sub-circuits (30). The output terminal of the common terminal amplifier (9) is coupled to said "R" terminal of the feedback network (40).

Classes IPC  ?

• H03F 3/45 - Amplificateurs différentiels
• H03F 3/68 - Combinaisons d'amplificateurs, p. ex. amplificateurs à plusieurs voies pour stéréophonie
• H04B 3/32 - Réduction de la diaphonie, p. ex. par compensation

Abrégé

The invention relates to an interfacing device for transmission through interconnections used for sending a plurality of electrical signals. The interfacing device of the invention comprises signal terminals (101) and a common terminal (100). A receiving circuit (6) delivers, when the receiving circuit (6) is in the activated state, "output signals of the receiving circuit" determined each by a linear combination of the voltages between one of said signal terminals (101) and said common terminal (100), to the destination (3). A termination circuit (4) is such that, when it is in the activated state, it is approximately equivalent, for said signal terminals (101) and said common terminal (100), to a (m + l)-terminal network such that, for small signals, the impedance matrix, with respect to said common terminal, of said (m + l)-terminal network is equal to a wanted non-diagonal matrix of size m x m.

Classes IPC  ?

• H04L 25/02 - Systèmes à bande de base Détails
• H04B 3/32 - Réduction de la diaphonie, p. ex. par compensation

Abrégé

The invention relates to an interfacing device for transmission through interconnections used for sending a plurality of electrical signals. The interfacing device of the invention comprises signal terminals (101) and a common terminal (100). A transmitting circuit (5) receives the "input signals of the transmitting circuit" coming from a source (2) and delivers, when the transmitting circuit (5) is in the activated state, currents to the signal terminals (101), each of said currents being mainly determined by one or more of said "input signals of the transmitting circuit", one or more of said currents being not mainly determined by only one of said "input signals of the transmitting circuit". The balancing circuit (9) is such that, when the transmitting circuit is in the activated state, the current flowing out of the common terminal (100) approximates the opposite of the sum of the currents flowing out of the signal terminals (101).

Classes IPC  ?

• H04B 3/32 - Réduction de la diaphonie, p. ex. par compensation
• H04L 25/02 - Systèmes à bande de base Détails

Abrégé

The invention relates to a method and a device for pseudo-differential transmission in interconnections used for sending a plurality of electrical signals The ends of an interconnection (1) having 4 transmission conductors and a return conductor (10) distinct from the reference conductor (7) are each connected to a termination circuit (4). Three damping circuits (8) are connected between the return conductor (10) and the reference conductor (7). The transmitting circuits (5) receive at their inputs the signals from the 4 channels of the two sources (2), and are connected to the conductors of the interconnection (1). The receiving circuits (6) are connected to the conductors of the interconnection (1), each receiving circuit (6) being such that the 4 channels of a source (2) connected to a transmitting circuit (5) in the activated state are sent to the four channels of the destinations (3) without noticeable external crosstalk.

Classes IPC  ?

• H04B 3/32 - Réduction de la diaphonie, p. ex. par compensation
• H04L 25/08 - Modifications pour réduire les perturbationsModifications pour réduire les effets des défauts de ligne
• H04L 25/02 - Systèmes à bande de base Détails

Abrégé

The invention relates to an interfacing device for pseudo-differential transmission through interconnections used for sending a plurality of electrical signals. The interfacing device of the invention comprises signal terminals (101) and a common terminal ( 100). A transmitting circuit (5) receives the 'input signals of the transmitting circuit' coming from a source (2). The output of the transmitting circuit (5) delivers, when the transmitting circuit is in the activated state, voltages between one of said signal terminals (101) and said common terminal (100). A receiving circuit (6) delivers, when the receiving circuit is in the activated state, 'output signals of the receiving circuit' determined each by the voltage between one of said signal terminals (101) and said common terminal (100), to the destination (3). The balancing circuit (9) is such that, when the transmitting circuit is in the activated state, the current flowing out of the common terminal (100) approximates the opposite of the sum of the currents flowing out of the signal terminals (101).

Classes IPC  ?

• H04L 25/02 - Systèmes à bande de base Détails
• H04B 3/32 - Réduction de la diaphonie, p. ex. par compensation
• H04B 3/30 - Réduction des perturbations dues aux courants de déséquilibre dans une ligne normalement équilibrée
• H04L 25/08 - Modifications pour réduire les perturbationsModifications pour réduire les effets des défauts de ligne

Abrégé

The invention relates to an interfacing device for pseudo-differential transmission through interconnections used for sending a plurality of electrical signals. The interfacing device of the invention comprises signal terminals (101) and a common terminal ( 100). A transmitting circuit (5) receives the 'input signals of the transmitting circuit' coming from a source (2). The output of the transmitting circuit (5) delivers, when the transmitting circuit is in the activated state, voltages between one of said signal terminals (101) and the reference terminal (ground). A receiving circuit (6) delivers, when the receiving circuit is in the activated state, 'output signals of the receiving circuit' determined each by the voltage between one of said signal terminals (101) and said common terminal (100), to the destination (3). In the closed state, the common terminal switching circuit (9) is, for the common terminal (100), equivalent to a voltage source delivering a constant voltage, connected in series with a passive two-terminal circuit element presenting a low impedance.

Classes IPC  ?

• H04L 25/08 - Modifications pour réduire les perturbationsModifications pour réduire les effets des défauts de ligne
• H04B 3/32 - Réduction de la diaphonie, p. ex. par compensation

Abrégé

The invention relates to an interfacing device for pseudo-differential transmission through interconnections used for sending a plurality of electrical signals. The interfacing device of the invention comprises signal terminals (101) and a common terminal (100) distinct from the reference terminal (ground). A transmitting circuit (5) receiving the 'input signals of the transmitting circuit' coming from a source (2) delivers, when the transmitting circuit (5) is in the activated state, currents to the signal terminals (101). A receiving circuit (6) delivers, when the receiving circuit (6) is in the activated state, 'output signals of the receiving circuit' determined each by the voltage between one of said signal terminals (101) and said common terminal (100), to the destination (3). A termination circuit (4) is such that, when it is in the activated state, it is approximately equivalent, for said signal terminals (101) and said common terminal (100), to a network consisting of 4 branches, each branch being connected to the common terminal (100) and to one of said signal terminals (101).

Classes IPC  ?

• H03K 19/0185 - Dispositions pour le couplageDispositions pour l'interface utilisant uniquement des transistors à effet de champ
• H04L 25/02 - Systèmes à bande de base Détails
• H04B 3/32 - Réduction de la diaphonie, p. ex. par compensation
• H04L 25/08 - Modifications pour réduire les perturbationsModifications pour réduire les effets des défauts de ligne
• H04L 5/20 - Dispositions destinées à permettre l'usage multiple de la voie de transmission utilisant différentes combinaisons de lignes, p. ex. exploitation de circuits fantômes
• H04B 3/46 - SurveillanceTests