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Match Document Document Title
9026068 Tunable system and method for tuning a system  
There is provided a system that includes a tunable amplification module, a coupler, an interface module; a detector that is arranged to output an impedance indicative signal and a power indicative...
9026050 Communication circuit  
In a communication circuit, an RFIC includes an IO terminal and a control IC includes an IO terminal. A variable capacitance element includes control terminals, a capacitance element with a...
9020446 Method and apparatus for calibrating a communication device  
A system that incorporates teachings of the present disclosure may include, for example, a computer-readable storage medium having computer instructions to perform actual measurements of one or...
8976302 Radio frequency front end for television band receiver and spectrum sensor  
A radio frequency front end for a television band receiver and spectrum sensor includes a low noise amplifier that amplifies a received signal output of a radio frequency antenna connected to the...
8977216 Limited Q factor tunable front end using tunable circuits and microelectromechanical system (MEMS)  
A wireless device is described. The wireless device includes a tunable front end module. The tunable front end module includes a Tx microelectromechanical system bandpass filter. The tunable front...
8934856 System and method to calibrate the frequency response of an electronic filter  
A system and method provide for calibrating the frequency response of an electronic filter. The system and method include a radio transmitter with both in-phase and quadrature baseband paths. Each...
8923770 Cognitive use of multiple regulatory domains  
A wireless communication system that concurrently communicates information in multiple regulatory domains to facilitate audio/video media streaming and other high bandwidth operations. One domain...
8902015 Radio frequency power load and associated method  
A radio frequency power load and associated method. A radio frequency power load apparatus may include a container with an ionized fluid therein. The apparatus may include one conductor immersed...
8903002 Communication device and communication method  
A computational processor uses a binary signal, being a set of 1- or 0-valued elements of a same number as a number of elements in an input signal, to generate computational data whose elements...
8868014 Immersible UHF antenna with low power auto tuning system  
An antenna is provided having a good matching characteristics when immersed in a fluid such as saline water, oil, or other liquids (“the phantom liquid”). In some embodiments, the antenna provides...
8855579 System and method for correcting integral nonlinearity in an oscillator system  
A method may include measuring a frequency difference between an actual frequency and an expected frequency associated with a frequency control calibration signal value for each of a plurality of...
8855708 Data rate in mobile communication networks  
A method is provided for operating a mobile telecommunications device including a cellular communication device operable to communicate with a cellular telecommunications network base station and...
8837635 Controlling a transmit path based on monitored error vector magnitude (EVM) performance  
Embodiments provide systems and methods to dynamically control a radio frequency (RF) transmitter based on monitored error vector magnitude (EVM) performance. Embodiments are enabled by a feedback...
8787845 Method and apparatus for calibrating a communication device  
A system that incorporates teachings of the present disclosure may include, for example, a computer-readable storage medium having computer instructions to perform actual measurements of one or...
8787907 Frequency selection and transition over white space  
A method of wireless communication includes determining at least one neighboring apparatus from which to obtain information, obtaining information related to a plurality of channels from the at...
8781417 Hybrid techniques for antenna retuning utilizing transmit and receive power information  
An embodiment of the present invention provides an apparatus, comprising a transceiver, an antenna tuner connecting said transceiver to an antenna, a power sensor adapted to acquire measurements...
8761697 Signal processing device and method for providing a first analog signal and a second analog signal  
A signal processing device for providing first and second analog signals includes first and second clocked digital signal path circuits and a transit time difference measuring device. The first...
8744513 Interaction between maximum power reduction and power scaling in wireless networks  
Methods, apparatuses, and articles of manufacture are disclosed for adjusting a power level in connection with transmitting parallel uplink channels. In one aspect, a user equipment determines a...
8718578 Circuit arrangement with improved decoupling  
A circuit arrangement includes a component having a closed signal path, that closed signal path connected to a first port, a second port and at least a third port. The component has a directed...
8706051 Device and method for adjusting loop filter gain in automatic frequency controller  
Provided is a device and a method for adjusting a loop filter gain in an automatic frequency controller, which can allow the automatic frequency controller to operate while maintaining an optimal...
8620236 Techniques for improved adaptive impedance matching  
An embodiment of the present invention provides a method for limiting tuning of a matching network having variable reactive elements coupled to a variable load impedance to at least reduce an...
8611831 Transmission device  
Numeric values “a” representing a respective order of transmission by a plurality of transmitting units, and a numeric value N representing the total number of transmitting units, are set for each...
8606198 Directional coupler architecture for radio frequency power amplifier with complex load  
Various embodiments may provide a circuit including a radio frequency (RF) power amplifier (PA) and a coupler (e.g., a directional coupler). The coupler may be coupled between a first impedance...
8583065 Digitally controlled antenna tuning circuit for radio frequency receivers  
A novel digitally controlled antenna tuning circuit that enables the implementation of low cost, wideband tuning circuits for antennas in receive applications. The invention is operative to switch...
8532592 Integrated signal analyzer for adaptive control of mixed-signal integrated circuits  
A mixed-signal adaptive integrated circuit may comprise a primary function circuit, a digitally controlled analog sub-system cooperatively connected with the primary function circuit, and an...
8472904 Antenna with integrated tuning detection elements  
In various embodiments, systems and methods for automatically tuning an antenna to a desired frequency utilize a tuning detection element that sends or receives a signal in accordance with one...
8472888 Method and apparatus for calibrating a communication device  
A system that incorporates the present disclosure may include, for example, a computer-readable storage medium having computer instructions to perform actual measurements of one or more...
8457569 Hybrid techniques for antenna retuning utilizing transmit and receive power information  
An embodiment of the present invention provides an apparatus, comprising a transceiver, an antenna tuner connecting said transceiver to an antenna, a power sensor adapted to acquire measurements...
8442460 Method for compensating signal distortions in composite amplifiers  
A method for compensating signal distortions in multiple transmitting branches (3, 5; 43, 45, 46) entering a composite amplifier (1; 1′). According to the invention the method comprises the steps...
8437714 Advanced load-switch circuit with zero phase rotation  
The present disclosure relates to the efficient transmission of voice and data signals using mobile terminals, and in particular to optimizing the power added efficiency (PAE) of a power amplifier...
8433256 Communication devices with integrated thermal sensing circuit and methods for use therewith  
A communication device includes an integrated circuit having an on-chip thermal sensing circuit that generates a temperature signal based on a temperature of the integrated circuit. A processing...
8433261 RF communications device with inverse function for coupler therein and related methods  
A radio frequency (RF) communications device may include a power amplifier, an antenna, a tunable coupler between the power amplifier and the antenna, a processor, and an exciter module coupled...
8428545 Filter circuitry  
Circuitry for use in a direct conversion transmitting or receiving chains includes mixing circuitry which converts baseband signal to radio frequency or vice versa. A local oscillator to provide a...
8417195 Method and apparatus adapted to transmit data  
The present invention relates to the field of data transmission. The invention has application to amplifiers, the transmission of data modulated signals, filters and/or matching circuits connected...
8406710 Method and apparatus of minimizing extrinsic parasitic resistance in 60 GHz power amplifier circuits  
Very high frequency circuits suffer from parasitic resistances. At 60 GHz, conventional layout techniques can introduce loss into the circuit at critical locations. One critical interconnect...
8374561 Non-foster impedance power amplifier  
A non-Foster impedance power amplifier has a current amplifying device coupled in either an emitter-follower or source-follower configuration with a reactive load such as an antenna load. A...
8369906 Antenna compensation system and method in a communications device  
A communications device is provided. The communications device includes an antenna port, transmitter circuitry configured to broadcast a radio frequency (RF) output signal across the antenna port,...
8350970 Radio frequency front end for television band receiver and spectrum sensor  
A radio frequency front end for a television band receiver and spectrum sensor includes a first plurality of adaptive matching networks connected to a signal summer that combines signals received...
8335481 Load modulation arrangement  
The present invention concerns a load modulation arrangement adapted to be connected to an amplifying device. The load modulation arrangement comprises a first reactive element, a second reactive...
8320851 Wireless communication device, wireless communication method, and computer program  
A wireless commutation device includes: an antenna unit including antennas transmitting and receiving wireless signals; an analog processing unit including transmitting analog circuits and...
8280314 Method and apparatus for compensating for transceiver impairments  
A method for compensating a transceiver for impairments includes transmitting a plurality of partial bandwidth training signals using a transmitter. A plurality of response signals of a receiver...
8280319 Tuning circuitry in a communications device  
A communications device is provided. The communications device includes a first antenna port coupled to a signal line, transmitter circuitry coupled to the signal line and configured to broadcast...
8270907 Method and system for matching an integrated FM system to an antenna utilizing on-chip measurement of reflected signals  
Aspects of a method and system for matching an integrated system to an antenna utilizing on-chip measurement of reflected signals are provided. In a chip comprising at least a portion of a...
8260223 Dual-mode mixer circuit and method  
The present invention relates to a mixer circuit and method of frequency transformation, wherein an input signal is switched in accordance with a first local oscillator signal and in accordance...
8260213 Method and apparatus to adjust a tunable reactive element  
A system that incorporates teachings of the present disclosure may include, for example, a method involving a step to tune a plurality of tunable reactive elements by measuring a drift in...
8229377 Dual antenna communications device  
A communications device is provided. The communications device includes first output stage circuitry configured to generate a first radio frequency (RF) output signal in response to receiving an...
8229352 Wireless architecture for 60GHZ  
A device has an RF mixer, an IF mixer module, a single synthesizer, a frequency divider, a single side band mixer and a frequency quadrupler. The single synthesizer generates a signal to the IF...
8229366 Tunable duplexer with common node notch filter  
A mobile station with a tunable duplexer is disclosed. The mobile station includes a processor and memory in electronic communication with the processor. The mobile station includes a receive path...
8213886 Hybrid techniques for antenna retuning utilizing transmit and receive power information  
An embodiment of the present invention provides an apparatus, comprising a transceiver, an antenna tuner connecting the transceiver to an antenna, a power sensor adapted to acquire measurements...
8213383 Method and system to guarantee service reception within broadcast system  
A system and method is provided for ensuring that time for tuning to another RF channel between two TF frames in TF slicing exists while reception with a single hopping-tuner is enabled, and...

Matches 1 - 50 out of 137 1 2 3 >