Patent application number | Description | Published |
20080303117 | Integrated circuit with multi-stage matching circuit - An integrated circuit with a multi-stage matching circuit with an inductive conductive structures with a first end and a second end in the integrated circuit and a capacitor structure in the integrated circuit connected to a tap between the ends of the inductive conductive structure between the inductive conductive structure and a reference potential. | 12-11-2008 |
20080303165 | CIRCUIT ARRANGEMENT AND INTEGRATED CIRCUIT - A circuit arrangement includes a plurality of type-identical and identically operated active components, or separate sections of an active component, and includes a branched wiring structure for the interconnection of component connections. In each case the wiring end portions lie between a branching point and an input of different components or sections, wherein the wiring end portions are formed with predetermined geometrical asymmetry with respect to one another in such a way that there is an electrical symmetry of the interconnection configuration between all the connected type-identical components or sections. More particularly, the impedance values between the branching point and the different inputs and outputs are substantially identical. | 12-11-2008 |
20110026174 | Electrostatic Discharge Protection Element and Electrostatic Discharge Protection Chip and Method of Producing the Same - An electrostatic discharge (ESD) protection element is described, the ESD protection element including a collector area, a first barrier area, a semiconductor area, a second barrier area and an emitter area. The collector area has a first conductivity type. The first barrier area borders on the collector area and has a second conductivity type. The semiconductor area borders on the first barrier area and is an intrinsic semiconductor area, or has the first or second conductivity type and a dopant concentration which is lower than a dopant concentration of the first barrier area. The second barrier area borders on the semiconductor area and has the second conductivity type and a higher dopant concentration than the semiconductor area. The emitter area borders on the second barrier area and has the first conductivity type. | 02-03-2011 |
20110199146 | High-Frequency Switching Circuit - A high-frequency switching circuit includes a high-frequency switching transistor, wherein a high-frequency signal-path extends via a channel-path of the high-frequency switching transistor. The high-frequency switching circuit includes a control circuit and the control circuit is configured to apply at least two different bias potentials to a substrate of the high-frequency switching transistor, depending on a control signal received by the control circuit. | 08-18-2011 |
20110201281 | High Frequency Switching Circuit and Method for Determining a Power of a High Frequency Signal - A high frequency switching circuit, including a high frequency switching element. The high frequency switching element including a first channel terminal and a second channel terminal, wherein the high frequency switching element is configured to switchably route a high frequency signal via a channel path between the first channel terminal and the second channel terminal. The high frequency switching circuit further includes a power detection circuit, wherein the power detection circuit is configured to obtain a first measurement signal from the first channel terminal and a second measurement signal from the second channel terminal, and to combine the first measurement signal and the second measurement signal to derive, in dependence on both the first measurement signal and the second measurement signal, a power signal describing a power value of the high frequency signal routed via the channel path of the high frequency switching element. | 08-18-2011 |
20110260302 | SHIELDING DEVICE - One aspect of the invention relates to a shielding device for shielding from electromagnetic radiation, including a shielding base element, a shielding cover element and a shielding lateral element for electrically connecting the base element to the cover element in such that a circuit part to be shielded is arranged within the shielding elements. Since at least one partial section of the shielding elements includes a semiconductor material, a shielding device can be realized completely and cost-effectively in an integrated circuit. | 10-27-2011 |
20120062306 | Chip Comprising a Radio Frequency Switch Arrangement, Circuit Arrangement and Method for Producing a Radio Frequency Circuit Arrangement - A chip includes an RF switch arrangement that has a plurality of RF switches arranged jointly on the chip. Each of the RF switches has at least one first RF connection accessible from outside the chip and one second RF connection accessible from outside the chip. Furthermore, each of the RF switches is designed to activate, in response to a driving, at least one RF path between two of its RF connections. The RF connections of different switches from among the RF switches are separated from one another in terms of radio frequency. | 03-15-2012 |
20120319137 | Electrostatic Discharge Protection Element and Electrostatic Discharge Protection Chip and Method of Producing the Same - An electrostatic discharge (ESD) protection element includes a collector area, a first barrier area, a semiconductor area, a second barrier area and an emitter area. The collector area has a first conductivity type. The first barrier area borders on the collector area and has a second conductivity type. The semiconductor area borders on the first barrier area and is an intrinsic semiconductor area, or has the first or second conductivity type and a dopant concentration which is lower than a dopant concentration of the first barrier area. The second barrier area borders on the semiconductor area and has the second conductivity type and a higher dopant concentration than the semiconductor area. The emitter area borders on the second barrier area and has the first conductivity type. | 12-20-2012 |
20130207872 | Adjustable Impedance Matching Network - An impedance matching network includes a first terminal, a second terminal, and a reference potential terminal. The impedance matching network further includes a first shunt branch between the first terminal and the reference potential terminal, the first shunt branch including a capacitive element. The impedance matching network also includes a second shunt branch between the second terminal and the reference potential terminal, the second shunt branch including an inductive element. Furthermore, the impedance matching network includes a transmission line transformer with a first inductor path and a second inductor path, wherein the first inductor path connects the first terminal and the second terminal. An alternative impedance matching network includes a transformer and an adaptive matching network. The transformer is configured to transform an impedance connected to a first port so that a corresponding transformed impedance lies within a confined impedance region in a complex impedance plane. | 08-15-2013 |
20130278323 | High-Frequency Switching Circuit - A high-frequency switching circuit includes a high-frequency switching transistor, wherein a high-frequency signal-path extends via a channel-path of the high-frequency switching transistor. The high-frequency switching circuit includes a control circuit and the control circuit is configured to apply at least two different bias potentials to a substrate of the high-frequency switching transistor, depending on a control signal received by the control circuit. | 10-24-2013 |
20130307576 | System and Method for Testing an Integrated Circuit - In accordance with an embodiment, a method of testing an integrated circuit, includes receiving a supply voltage on the integrated circuit via a first input pin, providing power to circuits disposed on the integrated circuit via the first input pin, comparing the supply voltage to an internally generated voltage, generating a digital output value based on the comparing, and applying the digital output value to a pin of the integrated circuit. | 11-21-2013 |
20130328178 | SHIELDING DEVICE - One aspect of the invention relates to a shielding device for shielding from electromagnetic radiation, including a shielding base element, a shielding cover element and a shielding lateral element for electrically connecting the base element to the cover element in such that a circuit part to be shielded is arranged within the shielding elements. Since at least one partial section of the shielding elements includes a semiconductor material, a shielding device can be realized completely and cost-effectively in an integrated circuit. | 12-12-2013 |
20130344835 | Mobile Communication Device - Embodiments provide a mobile communication device comprising an adaptive filter for filtering a RF signal and a controller. The adaptive filter comprises a first terminal, a second terminal, a reference terminal for providing a reference potential, a first filter structure connected in series between the first terminal and the second terminal, a second filter structure connected in series between the first terminal and the reference terminal, and a third filter structure connected in series between the second terminal and the reference terminal, wherein at least one filter structure of the first, second and third filter structures comprises at least one switchable filter element. The controller is configured to selectively activate or deactivate the at least one switchable filter element based on the RF signal or a baseband version thereof. | 12-26-2013 |
20140001491 | Electrostatic Discharge Protection Element and Electrostatic Discharge Protection Chip and Method of Producing the Same | 01-02-2014 |
20140011461 | System and Method for Attenuating a Signal in a Radio Frequency System - In accordance with an embodiment, a method includes coupling power from a transmitter to form a first signal, conditioning the first signal to form a second signal, and coupling the second signal to an input of a receiver. Conditioning includes adjusting the second signal to combine in anti-phase with a leakage signal coupled from the transmitter to the input of the receiver such that the leakage signal is attenuated. | 01-09-2014 |
20140015593 | RF Switch, Mobile Communication Device and Method for Switching an RF Signal - An RF switch includes a switchable RF transistor. The switchable RF transistor includes a stripe of a plurality of adjacent RF transistor fingers and at least one non-switchable dummy transistor that is arranged at an end of the stripe of the switchable RF transistor. | 01-16-2014 |
20140073271 | System and Method for Transmitting a Radio Frequency Signal Through a Speaker Coil - In accordance with an embodiment, a system has an audio amplifier configured to be coupled to a speaker coil port via a parallel resonant circuit, and a radio frequency (RF) amplifier configured to transmit a RF signal at a first RF transmission frequency. The speaker coil port is configured to be coupled to a speaker coil, and the parallel resonant circuit has a resonance frequency of about the first RF transmission frequency. | 03-13-2014 |
20140077892 | DC Power Supply Circuit, Oscillator Circuit and Method for Generating a DC Power Supply Signal - A DC power supply circuit comprises an output configured to provide a power supply signal to an RF element for generating an RF output signal. Furthermore, the DC power supply circuit comprises an input configured to receive the RF output signal. The DC power supply circuit is configured to generate the DC power supply signal based on the received RF output signal. | 03-20-2014 |
20140104132 | Impedance Matching Network with Improved Quality Factor and Method for Matching an Impedance - An impedance matching network comprises a first and a second signal terminal and a reference potential terminal. The network further comprises a first shunt branch between the first signal terminal and the reference potential terminal, the first shunt branch comprising a variable inductive element and a first capacitive element. The impedance matching network also comprises a second shunt branch between the second signal terminal and the reference potential terminal and comprising a second capacitive element. A series branch between the first signal terminal and the second signal terminal comprises a third capacitive element. Optionally, the first, second, and/or third capacitive element may be implemented as a variable capacitive element. The variable capacitive element comprises a plurality of transistors, wherein a combination of off-capacitances C | 04-17-2014 |
20140252540 | Semiconductor Device and Method of Manufacturing Thereof - A semiconductor device includes a semiconductor substrate having a first main surface in which a recess is formed. Further, the semiconductor device includes an electrical interconnect structure which is arranged at a bottom of the recess. A semiconductor chip is located in the recess. The semiconductor chip includes a plurality of chip electrodes facing the electrical interconnect structure. Further, a plurality of electrically conducting elements is arranged in the electrical interconnect structure and electrically connected to the plurality of chip electrodes. | 09-11-2014 |
20140340181 | System and Method for a Switchable Capacitance - In accordance with an embodiment, a switchable capacitance circuit includes a plurality of capacitance-switch cells that each has a first semiconductor switching circuit and a capacitance circuit having a first terminal coupled to the first semiconductor switching circuit. A resistance of the first semiconductor switching circuit of a first switch-capacitance cell of the plurality of capacitance-switch cells is within a first tolerance of a resistance of the first semiconductor switching circuit of a second capacitance-switch cell of the plurality of capacitance-switch cells, and a capacitance of the capacitance circuit of the first capacitance-switch cell is within a second tolerance of a capacitance of the capacitance circuit of the second capacitance-switch cell. | 11-20-2014 |
20140375514 | Antenna Tuning Circuit, Method for Tuning an Antenna, Antenna Arrangement and Method for Operating the Same - An antenna tuning circuit is provided. The antenna tuning circuit includes an antenna, an inductor and a variable capacitance. The antenna includes a first terminal, which serves as a feed terminal, and a second terminal, which is separate from the first terminal. The inductor and the variable capacitance are coupled to the second terminal, to tune the antenna. | 12-25-2014 |