Abstract:
The present disclosure relates to an antenna (6) comprising two planar coils (62, 64) mechanically disposed face to face and electrically connected in series.
Abstract:
Integrated mask-programmable device, having a plurality of metal levels including a top metal level, a bottom metal level and a first intermediate metal level formed between the top and bottom metal levels, and a plurality of via levels arranged between the bottom and the first intermediate metal levels and between the first intermediate and the top metal levels and connecting each metal level to adjacent metal levels. The plurality of metal levels forms a first, a second and at least a third terminal, the top and bottom metal levels having at least two metal regions, and the first intermediate metal level having at least three metal regions. The first terminal is connected to third terminal or the second terminal is connected to the third terminal by modifying a single metal or via level.
Abstract:
Integrated mask-programmable device, having a plurality of metal levels including a top metal level, a bottom metal level and a first intermediate metal level formed between the top and bottom metal levels, and a plurality of via levels arranged between the bottom and the first intermediate metal levels and between the first intermediate and the top metal levels and connecting each metal level to adjacent metal levels. The plurality of metal levels forms a first, a second and at least a third terminal, the top and bottom metal levels having at least two metal regions, and the first intermediate metal level having at least three metal regions. The first terminal is connected to third terminal or the second terminal is connected to the third terminal by modifying a single metal or via level.
Abstract:
The invention relates to an electronic amplifier (100) for driving a capacitive load (C), which comprises a first and a second differential input terminals (IN1, IN2) to receive an input signal (Vin), and first (OUT1) and second (OUT2) differential output terminals to provide a differential output signal (Vout). The amplifier further comprises: - a first (101) operational device having a first (S-) and a second (S+) differential inputs connected to the first and second input terminals (IN1, IN2), respectively, and an output connected to the first output terminal (OUT1), and - a second (102) operational device having a further first (T+) and a further second (T-) differential inputs connected to the first and second input terminals (IN1, IN2), respectively, and a further output connected to the second output terminal (OUT2). The first (101) and second (102) operational devices are operatively configured so that both the first (OUT1) and the second (OUT2) output terminals are sunk to a same reference potential (GND) during periods in which a module of differential output signal (Vout) amplitude decrease.
Abstract:
A control device (100) for regulating the constant output current of a flyback converter is disclosed. The flyback converter has an input voltage (Vinr) and outputs a direct output voltage (Vout) with a constant output current (Iout) to supply the load (6); the flyback converter comprises a transformer (10) with a primary winding (L1) coupled with the direct input voltage and a secondary winding (L2) coupled with the direct output voltage and a switch (M) coupled to the primary winding to regulate the current (Ip) flowing through the primary winding and regulate the output direct voltage. The control device (100) is adapted to control the switch determining the on time period (Ton) and the off time period (Toff) of the switch and comprises first means (5) adapted to multiply a first signal (14) representative of the current flowing through the primary winding and a second signal (V3) representative of the direct input voltage and outputting a signal (V2) representative of said multiplication, second means (4) adapted to compare the output signal (V2) of the first means and a third signal (V1) representative of the direct output voltage. The control device is adapted to determine, on the base of the output signal (E) of said second means, said on time period and said off time period of the switch so that the output signal of the first means is made equal to the signal representative of the direct output signal to have the constant output current of the flyback converter.
Abstract:
The invention concerns a circuit comprising a first sensitive node, a first component connected between the first sensitive node and a first terminal of a first switch, said first switch controlled by a first control signal variable between a supply voltage level and a second voltage level, and a second switch comprising a first terminal connected to the first terminal of said first switch, and a second terminal connected to a clean voltage level, said second switch controlled to connect the first node of said first switch to said clean voltage level when said first switch is in a non-conducting state.
Abstract:
An electric motor including a plurality of windings (A, B, C), may be driven by: _ - sensing (12) currents ( i a *, i b *, i c *) in the motor windings (A, B, C), - generating (14, 16) a motor rotation angle signal (θ) from the currents sensed ( i a *, i b *, i c *), - generating (10) motor control voltages ( V a , V b , V c ) as a function of the motor rotation angle signal (θ), - driving (18) the motor windings with motor drive voltages ( V a *, V b * , V c ) obtained by injecting into the motor control voltages ( V a , V b , V c ) injection pulses ( V ainj , V binj , V cinj ), wherein the currents sensed ( i a *, i b * , i c *) include torque components ( i a0 , i b0 , i c0 ), and injection components ( i ainj , i binj , i cinj ), and - generating (14, 16) the motor rotation angle signal (θ) as a function of the injection components ( i ainj , i binj , i cinj ) of the currents sensed ( v a *, i b * , i c *).
Abstract:
In an embodiment, a method of managing memories (10) includes: - providing a first (11) memory module and a second memory module (12) each including a first (R1, R2) and a second (R4, R3) partition, - writing first data (DATA1) in the first partition (R1) of the first memory module (11) and second data (DATA2) in the first partition (R2) of the second memory module (12), and - selectively operating the first (11) and second (12) memory modules in a first operating mode or a second operating mode, where: - in the first operating mode, parity bits (PAR1) for the first data (DATA1) are written in the second partition (R3) of the second memory module (12) and parity bits (PAR2) for the second data (DATA2) are written in the second partition (R4) of the first memory module (11), - in the second operating mode, further data (ED1, ED2) are written in the place of parity bits (PAR1, PAR2) in the second partition (R4, R3) of one or both the first memory module (11) and the second memory module (12).