Kathrein-Werke Kg

Tdk-Micronas Gmbh

Ubidyne, Inc.

Lothar Schmidt

Udo Karthaus

Christoph Kutscher

A method and apparatus for computing the angle (&#x3b1;) of rotation of a rotational-angle sensor apparatus () with a first Hall measuring plate () and a second Hall measuring plate () which are arranged orthogonally to each other.

Method and apparatus for computing an angle of rotation

A semiconductor arrangement () with an electrostatic discharge (ESD) protection circuit is disclosed. The semiconductor arrangement () comprises a first semiconductor chip () with a first integrated circuit () and a second semiconductor chip () with a second integrated circuit (). The semiconductor arrangement has an ESD protection circuit (). The first semiconductor chip () is isolated otherwise form the second semiconductor chip () and the first integrated circuit () is connected to the second integrated circuit () exclusively via the ESD protection circuit ().

Semiconductor arrangement with protection circuit

An amplifier arrangement for amplifying a radio signal comprising at least a first amplifier module and a second amplifier module is presented wherein a splitter stage for dividing an amplifier stage input signal into several signal portions. The signal portions are amplified in the at least two parallel amplifier modules. A combiner stage combines the separate amplifier output signals into a single amplifier arrangement output signal.

Amplifier arrangement

A combination of an interconnect board and a module board for connecting a plurality of electronic modules to a processing unit is described. The interconnect board comprises a plurality of interconnect data lines connected between a plurality of interconnect board input terminals and interconnect board output terminals. The module board comprises at least one electronic module connected to a module connection input terminal, a plurality of module board data lines connected between a plurality of module board input terminals and a plurality of module board output terminals, and an unconnected module board output terminal. A first one of the interconnect board output terminals is connectable to the module connection input terminal, and the unconnected module board output terminal is connectable to one of the interconnect board input terminals.

Interconnect board

A Doherty amplifier () is described which comprises an input terminal () for receiving an input signal () and an output terminal () for providing an amplified signal () of the input signal (). The Doherty amplifier is supplied by a first supply voltage and a second supply voltage which have opposite polarities in respect to a reference level.

Active antenna arrangement with Doherty amplifier

A filter arrangement for filtering a radio signal comprising at least a first filter stage is presented wherein the at least first filter stage comprises a divide stage for dividing a filter stage input signal into several signal portions. The signal portions are filtered in at least two parallel filter elements. A combine stage combines the separate filter output signals into a single filter stage output signal.

Filter arrangement

An amplifier arrangement with an amplifier arrangement input and an amplifier arrangement output is disclosed. The amplifier arrangement comprises a first transistor and a first ballast resistance, wherein the first ballast resistance connects a first transistor base of the first transistor to a common base terminal at least one second transistor and at least one second ballast resistance, wherein the at least one second ballast resistance connects a second transistor base of the at least second transistor to the common base terminal; and a feedback device comprising a feedback input terminal for sensing at least a base voltage of the first transistor and further comprising a feedback output terminal that is connected to the common base terminal.

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Erbach, Germany

Lothar Schmidt