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9042847 Filter, receiver, transmitter and transceiver  
Embodiments of the present invention provide a filter, a receiver, a transmitter, and a transceiver. The filter includes a resonant cavity component, a microstrip filtering component, and two...
9042844 Transceiver and related switching method applied therein  
A transceiver includes: a power amplifying circuit arranged to generate differential output signals during a transmitting mode of the transceiver; a balance-unbalance circuit arranged to convert...
9042825 Wireless coexistence through antenna switching  
Systems, methods, and other embodiments associated with wireless coexistence through antenna switching are described. According to one embodiment, a method includes selecting one or both of a...
9037096 Reducing insertion loss in LNA bypass mode by using a single-pole-triple-throw switch in a RF front end module  
A microwave radio frequency (RF) front end module (FEM) having a low noise amplifier (LNA) with a bypass mode uses a single-pole-triple-throw RF switch that reduces insertion loss to about 1 dB...
9035716 High frequency switch  
There is provided a high frequency switch having a reduced circuit scale while maintaining satisfactory harmonic characteristics in a transfer path of a high frequency signal. The high frequency...
9037097 Circuit for controlling switching time of transmitting and receiving signal in wireless communication system  
Disclosed herein is a circuit for controlling a switching time of a transmitting and receiving signal in a wireless communication system including: a high speed switch circuit unit receiving a...
9030252 High frequency switching device, and bias voltage outputting device  
A high frequency switch device includes a branch transmission line corresponding to each output terminal provided with a switching part. In the branch transmission line, the switching part...
9031517 Transmit-receive front end  
The present invention discloses a transmit-receive (TR) front end. The TR front end includes a low-noise amplifier (LNA); a power amplifier (PA); a transformer, coupled to the PA, for increasing a...
9031518 Concurrent hybrid matching network  
A concurrent hybrid matching network is disclosed. In an exemplary embodiment, an apparatus includes a phase shifting coupler having a first terminal connected to an antenna, a second terminal...
9026063 Complementary metal-oxide semiconductor direct current to direct current converter  
Disclosed embodiments include a direct current to direct current (DC-DC) converter including one or more charge pumps and configured to receive an input voltage and a first clock signal and a...
9025500 Simultaneous bidirectional transmission for radio systems  
Disclosed are methods, systems, and apparatus for maximizing the spectral efficiency of a communications spectrum by providing a means to transmit information continuously in both directions of a...
9020447 Electronic devices, methods, and computer program products for making a change to an antenna element based on a power level of a transmission power amplifier  
A method of operating an electronic device includes providing a plurality of antenna elements, determining that a change is to be made to at least one of the plurality of antenna elements, and...
9020449 Software-defined radio with broadband amplifiers and antenna matching  
Mobile phone handsets include a CMOS front end configured for operating across multiple transmit and receive frequencies. The front end typically includes multiple receivers, each covering a...
9020448 Switch control circuit, semiconductor device, and radio communication device  
A switch control circuit has level shifters connected to a switch circuit to convert voltage levels of control signals, a negative potential generating circuit connected to the level shifter, to...
9020018 Systems for calibration of wireless electronic devices  
A calibration system may be provided for calibrating wireless communications circuitry in an electronic device during manufacturing. The calibration system may include data acquisition equipment...
9014654 Semiconductor apparatus  
A semiconductor apparatus includes multiple field effect transistors provided between an antenna terminal to be connected to an antenna and multiple external terminals through which RF signals are...
9006934 Power feeding apparatus, power receiving apparatus, wireless power feeding system and method for wireless transfer of power  
A power feeding apparatus, power receiving apparatus, wireless power feeding system, and method for wireless transfer of power are provided. The power feeding apparatus includes an impedance...
9007131 Integrated circuit with calibrated pulling effect correction  
A frequency-control circuit includes a phase frequency detector configured to receive a reference frequency signal and generate an output detection signal. The phase frequency detector can be...
9008602 Radio frequency switch for diversity receiver  
A diversity receiver switch includes at least one second stage switch configured to communicate with a transceiver. The diversity receiver switch may also include at least one first stage switch...
9000860 Low-loss TX-to-RX isolation using electrical balance duplexer with noise cancellation  
A circuit for a low-loss electrical balance duplexer (EBD) with noise cancellation may include an EBD circuit. The EBD circuit may be coupled to one or more output nodes of a transmit (TX) path,...
9002296 Communication terminal having TDD switch with isolating function and driving method thereof  
A communication terminal and a driving method thereof are provided. The driving method of a communication terminal includes: forming a transmitting path and an absorption path by controlling a...
8995934 Wireless communications circuitry with a triplexer for separating radio-frequency signals in adjacent frequency bands  
A wireless electronic device may be used to communicate using multiple wireless standards in adjacent frequency bands. The wireless standards may include Wi-Fi® and cellular standards such as Long...
8989678 Transceiver and method thereof  
The transceiver has a transmitter, a receiver, and a three-port network. The transmitter is configured to transmit an outgoing RF signal. The receiver is configured to receive an incoming RF...
8989677 Apparatus and method for switching from reception to transmission  
The invention is related to an apparatus comprising: at least one definition unit configured to define signal characterizing parameters of a transmission; and at least one routing unit configured...
8989679 Dual use transistor  
A circuit for amplifying radio frequency signals comprising: a terminal for connection to an antenna; a common amplifier arranged in a common-gate configuration between a first node and said...
8983380 Adaptive tuning method and apparatus for a combo wireless system  
An adaptive tuning method comprises the steps of: obtaining a statistical result; determining whether an adaptive tuning procedure is to be performed in accordance with the statistical result;...
8983533 Multimode communication terminal and multimode communication implementation  
A method for enabling a MIMO operation mode in a multimode communication terminal includes switching a first channel module to have parameter characteristics consistent with those of a second...
8977217 Switching device with negative bias circuit  
Embodiments provide a switching device including one or more field-effect transistors (FETs). In embodiments, a negative bias circuit is configured to generate a negative voltage signal based on a...
8971220 Dual mode base station  
A base station including at least a transceiver switch is provided enabling the base station to transmit and receive data in either FDD or TDD mode from an antenna. The base station may be...
8970282 High frequency switch  
There is provided a high frequency switch including: a first signal transferring unit including a plurality of first switching devices; a second signal transferring unit including a plurality of...
8971827 Module for an active antenna system  
A module for an active antenna system for receiving and transmitting radio signals sealed in a housing. It comprises a power connector placed at the outside of the housing for supplying the module...
8965303 Quad-band tunable diversity antenna for global applications  
An electronic device includes a main antenna and a diversity antenna. The diversity antenna includes a first portion configured to enable a transceiver to receive a signal in a first low-band...
8965304 Multi-mode I/O circuitry supporting low interference signaling schemes for high speed digital interfaces  
A multi-mode I/O circuit or cell (10) is provided for transmitting and receiving data between ICs, where each IC contains at least one of the I/O circuits. Each data link includes transmitter...
8958759 Method and storage medium for adjusting working frequency of electronic device, and electronic device  
A method for adjusting a working frequency of an electronic device includes the following. First, determining a current working frequency of the electronic device, a minimum average frequency...
8958766 Electronic device comprising an operating mode switching unit  
An electronic appliance comprising an electrical circuit and an operating mode switching unit which can be awakened out of a sleep state into a working state in which the current consumption of...
8954019 Mobile wireless communications device with LNA front end circuit and related methods  
A mobile wireless communications device may include an antenna, LTE RF differential inputs, and a front end circuit. The front end circuit may include band pass filters coupled to the antenna,...
8948707 Duplex filter arrangements for use with tunable narrow band antennas having forward and backward compatibility  
A transceiver module and duplexer within a communication device supports a minimized antenna volume and enhances a transfer gain for transmit and receive channels. The duplexer is communicatively...
8948709 Transmit/receive switch  
A transceiver includes a first circuit having a connector for connection to an antenna and receiving circuitry, and a second circuit having transmitting circuitry. The first and second circuits...
8942643 Routing for a package antenna  
An apparatus is provided. A plurality of transceiver antennas are arranged to form a phased array, where each antenna include a differential transmit antenna and a differential receive antenna...
8942651 Cascaded converged power amplifier  
A first radio frequency (RF) power amplifier (PA) stage, a second RF PA stage, and an alpha RF switch are disclosed. The first RF PA stage provides a first RF output signal. During a first alpha...
8942644 Systems and methods for protecting microelectromechanical systems switches from radio-frequency signals using switching circuitry  
Electronic devices may be provided that contain wireless communication circuitry. The wireless communications circuitry may include microelectromechanical systems (MEMS) switches that receive...
8938203 Process for achieving spur mitigation in an integrated circuit including a wide band receiver  
A radio transceiver including—an antenna (201) switch having a control lead (226); —a RF and front end circuit (202) coupled to said antenna switch and operating in at least one 2G mode and at...
8929843 Antenna power coupler having a variable coupling factor  
An antenna power coupler having a variable coupling factor is disclosed. In an exemplary embodiment, an apparatus includes a coupler configured to generate a power detection signal based on...
8929960 Voice call processing method and apparatus for mobile terminal  
A voice call processing method and apparatus for a mobile terminal are provided for improving voice communication quality by switching between matching circuits that are optimized for respective...
8929945 Transceivers with a transformer supporting multiband operation  
Several multiband transceivers are disclosed. An exemplified multiband transceiver supporting different bands has a transformer, an inbound switch circuit, and an outbound switch circuit. The...
8923783 Transmit and receive transmission circuits coupled to a common antenna for a wireless communication device  
Provided is a wireless communication device in which an antenna switch module is omitted. The wireless communication device includes a PA that amplifies a transmission signal, a transmission...
8923781 Semiconductor switch and wireless device  
According to one embodiment, a semiconductor switch includes a voltage generator, a voltage controller, a driver, and a switch unit. The voltage generator generates a negative first potential. The...
8923923 Multi-frequency band antenna feeder sharing method and base station radio frequency unit  
Embodiments of the present disclosure provide a multi-frequency band antenna feeder sharing method and a base station radio frequency unit. The method includes: receiving a signal of a frequency...
8923782 Switching device with diode-biased field-effect transistor (FET)  
Embodiments provide a switching device including a field-effect transistor (FET) having a source terminal, a drain terminal, a gate terminal, and a body terminal. The FET may be switchable between...
8923780 Method and system for sharing low noise amplifier circuitry in a single chip bluetooth and wireless local area network  
Aspects of a method and system for sharing low noise amplifier (LNA) circuitry in a single chip Bluetooth and wireless local area network (WLAN) system are disclosed. Aspects of the system may...