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9042860 |
Monolithically integrated circuit
A monolithically integrated circuit, particularly an integrated circuit for radio frequency power applications, may include a transistor and a spiral inductor. The spiral inductor is arranged... |
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9042859 |
Dual carrier amplifier circuits and methods
A circuit includes first and second transconductance stages that generate first and second currents, respectively, in response to an input signal. A current combiner circuit selectively couples... |
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9020458 |
Mixer with channel impedance equalization
A passive mixer with channel impedance equalization is disclosed. In an exemplary embodiment, an apparatus includes replica devices configured to generate replica output signals and an error... |
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9020457 |
Phased-array receiver for mm-wave applications
The present disclosure relates to a circuit for providing a signal gain, comprising: a first stage comprising a first set of variable gain transconductors arranged for receiving an input signal... |
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9020011 |
Enabling RX signal path synchronization and alignment signals in a highly integrated TX RFIC
A transmit (TX) signal path circuit in a multiple-input, multiple-output (MIMO) transceiver responsive to a digital front end (DFE) for generating receive (RX) path phase alignment signals is... |
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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... |
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9014655 |
Wireless communication system
A wireless communication system includes: a filter; and a semiconductor chip including a signal processing integrated circuit having an amplifier, wherein a main surface of the semiconductor chip... |
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9014649 |
Low-complexity diversity reception
A system may comprise a plurality of signal processing paths, a bin-wise combiner, an inverse transformation block, and a DAC. Each signal processing path may comprise a transformation block that... |
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9007116 |
Up-conversion mixer having a reduced third order harmonic
An up-conversion mixer includes a mixer cell having at least one output node configured to generate an output. The up-conversion mixer further includes a first cascaded transconductance input... |
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8983529 |
Communication system, information recording medium, and relay communication device
The disclosed communication system, information recording medium, and relay communication device allow communication via electromagnetic induction, allow the use of low-cost information recording... |
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8976781 |
Apparatus and method for calibrating a component of a transceiver via a calibration circuit operating in different calibration modes
A system including a component of a transceiver, a comparator, a counter, and a calibration circuit. The component receives an input signal comprising packets and based on the input signal,... |
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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... |
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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... |
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8952838 |
Time domain switched analog-to-digital converter apparatus and methods
A time domain switching analog-to-digital converter apparatus and methods of utilizing the same. In one implementation, the converter apparatus comprises a carrier signal source, and at least one... |
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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... |
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8923779 |
Systems and methods for tuning an antenna for a frequency modulation transceiver
Systems and methods for tuning an antenna for a frequency modulation (FM) transceiver are provided. A representative system includes: a network of electrical adjustable passive components that... |
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8914082 |
Mobile terminal and method of operating antenna thereof
A mobile terminal and a method of operating an antenna thereof are provided. The mobile terminal includes a plurality of antennas. A resonance frequency moving unit moves a resonance frequency of... |
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8913978 |
RTWO-based down converter
A multiphase mixer using a rotary traveling wave oscillator is disclosed. In addition to the oscillator, the mixer includes first and second mixer circuits. The rotary traveling wave oscillator... |
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8897832 |
Semiconductor device and communication system including the same
Disclosed is a semiconductor device including a semiconductor chip and a semiconductor package. The semiconductor package includes an antenna formed of a lead frame, a first wire that connects the... |
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8892158 |
Semiconductor device
An object is to achieve low power consumption and a long lifetime of a semiconductor device having a wireless communication function. The object can be achieved in such a manner that a battery... |
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8886141 |
Semiconductor device and adjustment method therefor
Provided is a semiconductor device that is capable of performing background calibration during a reception operation without adversely affecting reception characteristics. During a reception... |
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8868022 |
Broadband transconductance amplifier
A transconductance amplifier having an input terminal for receiving an input signal and an output terminal for communicating an output signal based on the input signal, the transconductance... |
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8838028 |
Multi-mode cellular IC for multi-mode communications
An RFIC includes an RF section, a memory interface, a display interface, an audio codec, a bus matrix, and a processing unit. The RF section converts a first inbound RF signal into a first inbound... |
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8838059 |
High-frequency circuit module
Provided is a high-frequency module that can prevent a transmission signal from reaching a reception circuit and that can achieve high mounting density. A first duplexer for a first frequency band... |
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8824994 |
Wireless communication system
A wireless communication system includes: a filter; and a semiconductor chip including a signal processing integrated circuit having an amplifier, wherein a main surface of the semiconductor chip... |
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8818307 |
Tuner input circuit
Disclosed is a tuner input circuit. The tuner input circuit includes an integrated including a low noise amplifier and a band pass filter embedded in one chip. |
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8818296 |
Noise cancellation for a magnetically coupled communication link utilizing a lead frame
An integrated circuit package includes an encapsulation and lead frame with a portion of the lead frame disposed within the encapsulation. The lead frame includes a first conductor formed in the... |
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8818318 |
Frequency up and down converter
A frequency up and down converter, in which, when down converting a high frequency signal into an intermediate frequency signal or up converting an intermediate frequency signal into a high... |
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8818319 |
Signal distribution and filtering in low noise block downconverters
Various embodiments implement waveguides for signal distribution or signal filtering in satellite receivers. According to some embodiments, a low noise block downconverter (LNB) is implemented... |
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8816750 |
High frequency mixer with tunable dynamic range
A high frequency mixer with a tunable dynamic range is disclosed. One embodiment provides a mixer apparatus including multiple first transistors at an input branch that receive a differential... |
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8805274 |
Frequency translation module interface
An architecture and protocol enables signal communications between either a frequency translation module and a decoder within a dwelling, or between an antenna and a decoder within a dwelling.... |
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8798561 |
Radio-frequency circuit having a transcoupling element
An RF circuit having a transcoupler, a multifunctional RF-circuit element that can operate both as an impedance inverter and as a signal coupler. When connected to a fixed load impedance, the... |
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8792848 |
Programmable wireless communication device
A wireless communication device includes a processing module, a receiver section, a transmitter section, and an antenna system. The processing module is operable to generate tuning information and... |
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8792847 |
Linearity in passive mixer circuits
A circuit used in a mixer configured to receive a signal made up of a relatively small modulation signal and a relatively large carrier signal is described. The mixer includes multiple switches. A... |
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8787831 |
Smart data storage apparatus and data transmitting method for the same
A smart data storage apparatus and data transmitting method for the same are to combine the hard disk with the dual interface memory, and are to use radio frequency identification (RFID)... |
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8781433 |
Semiconductor device
A semiconductor device is provided with a power supply circuit having a function to generate a power supply voltage from a wireless signal and an A/D converter circuit having a function to detect... |
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8781537 |
Semiconductor integrated circuit, noncontact/contact electronics device using the same and mobile terminal
The semiconductor integrated circuit includes: a pair of antenna terminals; a rectifier; a source-voltage terminal; a shunt regulator; a series regulator. When the voltage of the inside source... |
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8781432 |
Circuit coupling
An apparatus for coupling a baseband integrated circuit that uses a first signalling standard to a radio frequency integrated circuit that uses a second signalling standard includes a buffer... |
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8768284 |
Radio frequency integrated circuit with noise immunity border
An integrated circuit includes an analog module, digital circuitry, and a border section. The analog module is susceptible to noise and is on a substrate of the integrated circuit. The digital... |
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8768278 |
Switching a PLL clock source to reduce wireless communication interference
Adjusting a phase locked loop (PLL) clock source to reduce wireless communication (e.g., radio frequency (RF)) interference within a device. The PLL may be included in a high speed serial... |
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8750819 |
Integrating components in a radio tuner integrated circuit (IC) for a tracking filter
In one embodiment, the present invention includes a method for configuring a single chip radio tuner having a configurable front end, which may be adapted within an integrated circuit (IC). The... |
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8729948 |
High frequency switch
There is provided a high frequency switch which is satisfactory in terms of both insertion loss characteristics and harmonic characteristics. The high frequency switch includes: a common port... |
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8731486 |
High-frequency circuit module
Provided is a high-frequency module that can prevent a transmission signal from reaching a reception circuit and that can achieve high mounting density. A first duplexer for a first frequency band... |
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8725087 |
High-frequency circuit module
Provided is a high-frequency module that can prevent a transmission signal from reaching a reception circuit and that can achieve high mounting density. A first duplexer for a first frequency band... |
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8725086 |
High-frequency circuit module
Provided is a high-frequency module that can prevent a transmission signal from reaching a reception circuit and that can achieve high mounting density. A first duplexer for a first frequency band... |
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8706056 |
High-frequency circuit module
Provided is a high-frequency module that can prevent a transmission signal from reaching a reception circuit and that can achieve high mounting density. A first duplexer for a first frequency band... |
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8699980 |
Car audio system including an integrated module comprising a tuner unit and an active antenna
A car audio system having a tuner unit and an active antenna integrated into a single module, the car audio system being connected to an antenna for a vehicle and receiving broadcast signals, is... |
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8698545 |
Analog multiplier and method for current shunt power measurements
Multiplier circuitry includes first multiplier circuit including a first transistor having an emitter coupled to a first conductor, a base coupled to a second conductor, and a collector coupled to... |
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8700098 |
Mobile terminal
A mobile terminal includes a terminal body; a window coupled to the terminal body, including a display region for displaying an image, and including a print region which encompasses the display... |
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8693974 |
MEMS based multiband receiver architecture
A receiving apparatus is provided. The receiving apparatus comprises a chip carrier including at least one stack of layers, wherein at least one layer in the stack supports radio frequency... |