Infineon Technologies Ag

Infineon Technologies Austria Ag

Technische Universitaet Graz

Albert Missoni

Walter Kargl

Richard Sbuell

Thomas Leutgeb

Josef Haid

Christoph Saas

Thomas Jean Ludovic Baglin

Stefan Schneider

Matthias Pichler

Christian Klapf

Maximilian Hofer

Elmar Bach

Guenter Hofer

Josef Gruber

Gerhard Nebel

Dietmar Scheiblhofer

Juergen Hoelzl

Josef Riegebauer

Bernd Zimek

Thomas Jackum

Christoph Mayerl

Helmut Koroschetz

Dennis Tischendorf

Thomas Baglin

Admir Alihodzic

Frank Praemassing

Stefan Berger

Markus Auer

Robert Hofer

Philip Teichmann

Friedrich Skofitsch

Markus Unterlercher

Edin Ibrahimagic

A voltage regulating circuit including a conversion circuit configured to convert a voltage pulse sequence into a filtered analog voltage, wherein the voltage pulse sequence represents a predefined operating limiting voltage, and a regulator configured to receive the filtered analog voltage as regulation variable and to regulate an output voltage of the voltage regulating circuit to a predefined desired voltage.

Voltage regulation based on a filtered analog voltage

An integrated circuit having a plurality of field-effect transistors, wherein at least a proportion of the field-effect transistors implement a plurality of logic cells, a substrate, a well which is arranged in the substrate, and a supply circuit which is designed to connect the well to a supply potential, wherein the supply circuit is constituted by one or more field-effect transistors of the plurality of field-effect transistors.

Integrated circuit with supply circuit comprising field-effect transistors

An integrated circuit having a node that is supplied by a first supply potential and is connected to a second supply potential in such a way that a leakage current flows between the node and the second supply potential, a detection circuit that is configured to detect a signal injected between the node and the second supply potential, the temporal variation of which is fast compared to a temporal variation of the leakage current, and a compensation circuit that is configured to compensate for a deviation in the potential of the node from the first supply potential with a delay which is large compared to the temporal variation of the signal.

Integrated circuit

A Near Field Communication (NFC) device for transmitting a signal, including an NFC transceiver circuit having a transmission terminal and a reception terminal connected to an antenna; an electronic signal damping circuit; and a controller configured to control the electronic signal damping circuit to dampen a signal at the reception terminal to have a lower impedance during a transmission mode of the NFC device, during which the NFC device transmits the signal by means of the antenna, as compared with during a reception mode of the NFC device.

Near field communication device, method for operating a near field communication device, chip card and wearable

A slave device for a serial synchronous full duplex bus system, which has a data input stage, a clock input stage, an interface logic, a synchronization delay flip-flop, and a data output stage. The slave device is manufactured using nanometer technologies. Also, a method for operating the slave device.

Slave device for a serial synchronous full duplex bus system

In various embodiments, an electronic component is provided. The electronic component may include a supply bus configured to provide a supply voltage for an electronic circuit. The electronic component may further include a voltage-controlled oscillator, which is coupled to the supply bus and is configured to generate a clock signal with a clock frequency according to the supply voltage. The electronic component may further include at least one reference oscillator, which is configured to generate a reference clock signal with a reference clock frequency, and a comparator, which is coupled to the voltage-controlled oscillator and the at least one reference oscillator and is configured to compare the clock signal with the reference clock signal and, on the basis of the comparison, either to output the clock signal to the electronic circuit or to suppress it.

Voltage comparator arrangement, electronic component, chip card, embedded secure element

According one embodiment, a circuit is described comprising a first reference voltage generating circuit comprising an output to provide a first reference voltage and a second reference voltage generating circuit comprising an input receiving a value representative of the first reference voltage, the second reference voltage generating circuit being configured to generate a second reference voltage based on the received value.

Circuit and method for providing a secondary reference voltage from an initial reference voltage

Different exemplary embodiments provide a power supply apparatus for providing a voltage from an electromagnetic field, which apparatus has a conversion device which is set up to derive a voltage from a wirelessly received electromagnetic field, and a decoupling device which is coupled to the conversion device and has a first connection and a second connection, at each of which a supply voltage is provided, the decoupling device suppressing an effect of the circuits coupled to the first and second connections on the power supply apparatus.

Power supply apparatus for providing a voltage from an electromagnetic field

In accordance with various embodiments, a smart card including one or more components to be supplied and a current source, which is configured to provide a supply current with a predefined current intensity to the one or more components to be supplied, is described.

Smart card

A voltage regulator includes an output stage including a control terminal and a load path, with the load path coupled between the input terminal and the output terminal. The voltage regulator also includes a control circuit with an input stage, a first current mirror, and a second current mirror. The input stage includes a first control input configured to receive a first reference voltage, a second control input configured to receive a second reference voltage, a feedback input coupled to the output terminal, a first output terminal, and a second output terminal. The first current mirror includes a reference current path coupled between a first supply terminal and the first output terminal of the input stage, and an output current path coupled between the first supply terminal and the control terminal of the pass device.

Voltage regulator having input stage and current mirror

A contactless communication device including an energy interface configured to activate the contactless communication device or a contactless communication partner based on a first carrier signal; and a contactless high speed data interface configured to enable data communication between the contactless communication device and the contactless communication partner based on a second carrier signal having a frequency greater than a high frequency (HF).

Contactless communication via a plurality of interfaces

A demodulator is provided for demodulating a phase-modulated data signal. The demodulator includes a phase frequency detector to output a voltage representing a phase difference between a received phase-modulated data signal and a reference clock signal. The voltage is input to first and second phase change detectors, which are provided to measure the phase difference of the phase-modulated data signal during first and second time periods, respectively.

Circuit for demodulating a phase modulated signal

Transponder circuit arrangement having antenna connections for application of a voltage signal, a load-reduction modulation device, which is coupled to the antenna connections and is designed to modulate the applied, unmodulated voltage signal, which is at a first level, and a voltage conversion device, which is coupled to the load-reduction modulation device and is designed to provide a supply voltage, the magnitude of whose level is greater than the first level.

Transponder device and method for providing a supply voltage

An antenna interface of a contactless device including a current source configured to provide a current signal which is dependent on a radio frequency field; and a pause detector coupled to the current source and configured to detect a field pause from the current signal and output a field pause signal.

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Graz, Austria

Albert Missoni