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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...
9024704 Electronically tunable active duplexer system and method  
This invention provides a novel electronically tunable active duplexer for wireless transceiver applications. It relates to an active duplexer with full-duplex operation, permitting simultaneous...
9013237 Distributed transconductance amplifier  
An apparatus having an input transmission line, a plurality of amplifiers and an output transmission line is disclosed. The input transmission line may include a plurality of first inductors...
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...
8890622 Cascode amplifier  
A cascode amplifier includes: first transistors; second transistors cascode-connected with respective first transistors; a first line connected at spaced points to control terminals of the first...
8836430 Wideband distributed amplifier with integral bypass  
An improved distributed amplifier (200) includes an input transmission line (201) terminated with an input lead configured to accept an input signal and an output transmission line (202)...
8823455 Matrix distributed power amplifier  
Disclosed is a matrix distributed amplifier (DA) having an input transmission line, an intermediate transmission line, and an output transmission line. A first plurality of amplifiers has inputs...
8786368 Distributed amplifier with improved stabilization  
A distributed amplifier with improved stabilization includes an input transmission circuit, an output transmission circuit, at least one cascode amplifier coupled between said input and output...
8742851 CMOS linear differential distributed amplifier and distributed active balun  
A CMOS distributed amplifier with distributed active input balun is disclosed. Each gm cell within the distributed amplifier employs dual-output two-stage topology that improves gain and linearity...
8736375 Doherty amplifier  
A Doherty amplifier has a distributor for branching an input signal into two signals, a carrier amplifier to which one of the signals is inputted from the distributor, a peak amplifier to which...
8704592 Traveling wave amplifier with pre-emphasis function  
A traveling wave amplifier (TWA) primarily for driving a semiconductor optical device is disclosed. The TWA of an embodiment provides a plurality of differential amplifiers of the first type and...
8698570 Resonator circuit and amplifier circuit  
A passive frequency divider in a CMOS process. More specifically, an electrical distributed parametric oscillator to realize a passive CMOS frequency divider with low phase noise. Instead of using...
8698563 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Doherty amplifier
 
A Doherty amplifier has a distributor for branching an input signal into two signals, a carrier amplifier to which one of the signals is inputted from the distributor, a peak amplifier to which...
8698557 Hybrid coupler  
A circuit for amplifying an input signal can comprise a plurality of couplers. A splitting coupler of the plurality of couplers can receive the input signal and a combining coupler of the...
8686790 Distributed amplifier for band pass radio front-end  
A distributed amplifier is provided that is broadband and band pass with controllable bandwidth. In the distributed amplifier circuit, termination impedance of the input transmission line is not...
8669812 High power amplifier  
A high power amplifier architecture is disclosure. One example configuration includes a first plurality of distributed amplification stages operatively coupled in a first string. A conductive...
8618883 N-way doherty distributed power amplifier with power tracking  
A power amplifier using N-way Doherty structure with adaptive bias supply power tracking for extending the efficiency region over the high peak-to-average power:ratio of the multiplexing modulated...
8610502 Re-configurable amplifier  
An amplifier stage in a radar system including an input matching stage, a transistor stage and an output matching stage. At least one of the matching stages includes a switch. Each switch is...
8576009 Broadband high power amplifier  
A broadband high power amplifier architecture is disclosed. One example configuration includes a first plurality of distributed amplification cells connected in a first string, wherein a...
8571507 Analog signal processing device for phased array antennas  
A signal processing device includes a device package, processing circuitry and biasing circuitry. The processing circuitry is packaged in the device package and is operative to receive one or more...
8558620 Radial power amplification device with phase dispersion compensation of the amplification paths  
A radial power combination system is provided. The system comprises a radial divider comprising ports in the form of rectangular waveguides on the periphery, a radial combiner superposed on the...
8547176 Distributed power amplifier with active matching  
A distributed power amplifier arranged to operate over a bandwidth. An input side with an input terminal is arranged to receive an input signal and connected to an input transmission line. An...
8536948 Power amplifier  
A power amplifier according to the present invention includes: an input-side transformer which has an annular primary coil which is a first metal line and a plurality of linear secondary coils...
8487703 Radiofrequency amplifier  
An integrated radiofrequency amplifier with an operational frequency includes first and second Doherty amplifiers each having a main device, and a peak device connected at respective inputs and...
8463324 Antenna and quasi-optic power amplifier element and array for a radio frequency system  
An antenna and power amplifier element assembly may include an antenna assembly and a quasi-optic power amplifier. The quasi-optic power amplifier may include an output transistor coupled to the...
8461930 Monolithic microwave integrated circuit (MMIC) including air bridge coupler  
A monolithic microwave integrated circuit (MMIC) includes a transistor, coupled line and multiple air bridges. The coupled line is configured to output a coupled signal from the transistor, the...
8456238 Tapered attenuator network for mitigating effects of direct current (DC) bias inductor self-resonance in traveling wave amplifiers  
A traveling wave amplifier includes a tapered attenuator network for mitigating the effects of DC bias inductor self-resonance. The amplifier includes a gain stages connected in a ladder network...
8451059 Capacitively-coupled distributed amplifier with baseband performance  
The present disclosure relates to a capacitively-coupled distributed amplifier (DA) having an input line and an output line that are coupled to one another through a broadband interface network...
8432218 Harmonic-rejection power amplifier  
A harmonic-rejection power amplifier is disclosed. In an embodiment, the harmonic-rejection power amplifier includes a plurality of stages, each stage comprising a respective signal-generation...
8421537 Electronic circuit  
An electronic circuit includes: a first transistor having a control terminal, a first terminal, and a second terminal; a second transistor having a control terminal connected to the second...
8368465 Power amplification apparatus  
A power amplification apparatus includes a first amplifier turned on at a preset low input power; and a second amplifier connected in parallel with the first amplifier and turned off at a low...
8368470 RF power amplifiers with linearization  
Designs and techniques associated with power amplifiers for amplifying RF signals to provide variable power amplification and improved linearity in various RF amplification circuits, including...
8346198 Low noise amplifier for a radio receiver  
In one embodiment, the present invention includes an amplifier having a transistor stage coupled between a supply voltage and a bias current. The transistor stage has an input to receive a radio...
8344807 Distributed low noise amplifier  
A distributed low noise amplifier (DLNA) comprises at least a first amplifier part 30.1 providing a first path 36.1 form an input of the amplifier to an output of the amplifier and a second...
8339196 Combined cell doherty power amplification apparatus and method  
A Doherty power amplification apparatus and method using a combined cell are provided. The Doherty power amplification apparatus includes, a power splitter for splitting an input power, and...
8319556 Transformer coupled distributed amplifier  
An amplifier having an input transmission network with a plurality of input transformers having serially coupled primary windings. Each one of the input transformers has a secondary winding...
8305141 Distributed Doherty power amplifier  
Provided is a distributed Doherty power amplifier exhibiting high efficiency and linearity at a wide range of bandwidths, the distributed Doherty power amplifier including a first amplifier; a...
8279009 Distributed doherty amplifiers  
Doherty and distributed amplifier (DA) designs are combined to achieve, wideband amplifiers with high efficiency dynamic range. A modified Doherty amplifier includes a wideband phase shifter...
8274332 N-way Doherty distributed power amplifier with power tracking  
A power amplifier using N-way Doherty structure with adaptive bias supply power tracking for extending the efficiency region over the high peak-to-average power ratio of the multiplexing modulated...
8264279 Electronic circuit  
An electronic circuit includes a first transistor having a first terminal grounded, a second transistor having a control terminal coupled with a second terminal of the first transistor, a first...
8264278 Amplifier  
An amplifier is realized by a distributed-constant-type amplifier including an input-side transmission line and an output-side transmission line, and a plurality of unit circuits coupled between...
8258866 Power amplifiers  
Various aspects of the disclosure provide high power and high efficiency power amplifier systems that can be integrated on a chip using integrated circuit processes such as a standard CMOS and...
8258873 Constructive feedback traveling wave device and method  
An apparatus and method include a transmission line carrying a propagating signal between an inlet port and an outlet port. The propagating signal can include a forward traveling wave and...
8207791 Amplifier circuit with a first and a second output line  
An amplifier circuit including an amplifier to amplify a signal and to output the amplified signal in a first output, a coupling line connected to the first output line in a first connection point...
8190099 Switch-less bidirectional amplifier  
A bi-directional amplifier, transceiver, integrated circuit, mobile unit, telecommunication infrastructure for amplification of signals received or signals to be transmitted in a communication...
8169264 Distributed Doherty amplifiers  
Doherty and distributed amplifier (DA) designs are combined to achieve, wideband amplifiers with high efficiency dynamic range. A modified Doherty amplifier includes a wideband phase shifter...
8164396 Harmonic processing circuit and amplifying circuit using the same  
The present invention provides a harmonic processing circuit capable of miniaturizing a circuit, and an amplifier circuit using this harmonic processing circuit. A first impedance adjustment...
8135357 Integrated transmitter/receiver switch with impedance matching network  
A switchable inductor-capacitor-inductor (L-C-L) network, which includes an integrated T/R switch, can advantageously bridge a PA and an LNA of a wireless device. The first inductor can function...
8085094 High frequency amplifier  
A high frequency amplifier includes a package substrate, an amplifying active device disposed on a top surface of the package substrate, a transmission line connected to the amplifying active...
8076975 Broadband high power amplifier  
A broadband high power amplifier architecture is disclosed. One example configuration includes a first plurality of distributed amplification cells connected in a first string, wherein a...