Abstract:
A passive integrated circuit formed on a substrate, including contact areas of a conductive material specifically capable of receiving bonding pads, wherein the conductive material further creates connections between regions of a lower metallization level.
Abstract:
A method and circuit for evaluating a charge impedance at the output of a directional coupling having a first line adapted to convey a wanted signal between a first terminal and a second terminal adapted to be connected to an antenna, and having a second line coupled to the first one including a third terminal on the side of the first terminal and a fourth terminal on the side of the second terminal, wherein the signal present on the fourth terminal is submitted to a homodyne detector having its local oscillator signal sampled from the third terminal.
Abstract:
A vertical bidirectional protection diode including, on a heavily-doped substrate of a first conductivity type, first, second, and third regions of the first, second, and first conductivity types, these regions all having a doping level greater than from 2 to 5×1019 atoms/cm3 and being laterally delimited by an insulated trench, each of these regions having a thickness smaller than 4 μm.
Abstract:
A circuit for converting the state of a sensor into a signal interpretable by an electronic circuit, including: a comparator of the voltage level of an input terminal with respect to a reference level, the sensor being intended to be connected between a terminal of application of a first power supply voltage and the input terminal; a current-limiting element between said input terminal and the ground; and a switching element in series with the current source and intended to be controlled by a pulse train.
Abstract:
A method for forming a lithium-ion type battery including the steps of forming, over an at least locally conductive substrate, an insulating layer having a through opening; successively and conformally depositing a stack comprising a cathode collector layer, a cathode layer, an electrolyte layer, and an anode layer, this stack having a thickness smaller than the thickness of the insulating layer; forming, over the structure, an anode collector layer filling the space remaining in the opening; and planarizing the structure to expose the upper surface of the insulating layer.
Abstract:
A power supply circuit capable of providing two regulated voltages based on a D.C. input voltage, including a boost converter and a buck-boost converter, the circuit including a single inductive element common to the boost and buck-boost converters.
Abstract:
A common-mode filter including, in series between a first input terminal and a first output terminal, a first and a second positively coupled inductive elements; in series between a second input terminal and a second output terminal, a third and a fourth positively coupled inductive elements; and in series between each midpoint of said series connections of inductive elements and the ground, a capacitive element and a fifth inductive element.
Abstract:
A balun including on the common-mode side, an inductive element in series with a first capacitive element between a first common-mode access terminal and the ground; and on the differential-mode side, two inductive windings in series having first respective ends defining differential access terminals and having second common ends connected to ground, second capacitive elements being respectively connected in parallel on the differential-mode windings.
Abstract:
A distributed-line directional coupler including: a first conductive line between first and second ports intended to convey a signal to be transmitted; and a second conductive line, coupled to the first one, between third and fourth ports, the second line being interrupted approximately at its middle, the two intermediary ends being connected to attenuators.