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8482348 Class of power amplifiers for improved back off operation  
One embodiment of the present invention relates to a power amplifier comprising a plurality of amplifying elements connected in a serial-parallel matrix configuration, containing parallel columns...
8482355 Power amplifier  
There is provided a complementary metal oxide semiconductor (CMOS) power amplifier including: a load unit connected between an operating voltage supply terminal and an output terminal; an...
8466749 Variable gain amplifier  
A variable gain amplifier includes a source-grounded transistor, to a gate of which an input signal is supplied; a plurality of first cascode transistors, sources of which are connected to a drain...
8466741 Transimpedance amplifier, integrated circuit and system  
An integrated circuit according to one embodiment includes a first transimpedance amplifier and a second transimpedance amplifier. In the integrated circuit, one of the first transimpedance...
8461924 Systems and methods of RF power transmission, modulation, and amplification, including embodiments for controlling a transimpedance node  
Multiple-Input-Single-Output (MISO) amplification and associated VPA control algorithms are provided herein. According to embodiments of the present invention, MISO amplifiers driven by VPA...
8456241 Method and apparatus for improving amplifier linearity  
Aspects of the disclosure provide an amplifier. The amplifier includes a first path, a second path and a drain bias circuit. The first path includes a first transistor that operates in a...
8447259 Mode-switching low-noise amplifier and wide-band RF receiver  
A mode-switching LNA generally includes an input unit, an output unit and a bias voltage generator. The input unit amplifies an input signal to generate an amplified signal. The output unit...
8441322 Broadband linearization by elimination of harmonics and intermodulation in amplifiers  
An amplifier device includes an initial amplifier stage configured to receive a differential input signal at a first leg and a second leg; a final amplifier stage coupled to outputs of the initial...
8432217 Amplifier  
A configurable low noise amplifier circuit which is configurable between a first topology in which the low noise amplifier circuit includes a degeneration inductance stage whereby the low noise...
8427240 Low-noise amplifier with gain enhancement  
A low-noise amplifier (“LNA”) includes a first cascode gain stage including a first complementary metal oxide semiconductor (“CMOS”) transistor configured to receive a radio frequency (“RF”) input...
8427241 High efficiency, high frequency amplifiers  
The invention is an improvement in microwave and millimeter wave amplifiers. Capacitors are connected in parallel with the source and drain terminals of all of the amplifying elements in a series...
8405462 Phase-shift amplifier  
A cascode amplifier comprising at least two phase-shift stages controllable between an input transistor having a control terminal connected to an input terminal of the amplifier, and an output...
8400224 Programmable low noise amplifier and methods for use therewith  
A low noise amplifier includes a programmable input stage, having a first gain that is programmable based on a first control signal. A programmable cascode stage, has a second gain that is...
8395451 Low 1/f noise high-frequency broadband amplifier (DC-12 GHz)  
A N-Channel HJ-FET cascode amplifier, with a High Frequency NPN Transistor differential error amplifier, having low 1/f noise, a DC to 12 GHz bandwidth, flat frequency response, excellent...
8395452 Signal amplification circuits for receiving/transmitting signals according to input signal  
An exemplary signal amplification circuit includes an input stage, a plurality of output stages and a selecting stage. The input stage has an input node for receiving an input signal and an output...
8368469 Silicon-on-insulator high power amplifiers  
Illustrative embodiments of a power amplifier are disclosed which include a plurality of amplifier cells, each having an input and an output. The plurality of amplifier cells are formed on a...
8362838 Multi-stage amplifier with multiple sets of fixed and variable voltage rails  
A signal processing system and method utilizes a multi-stage amplifier to amplify an input signal. The multi-stage amplifier uses a mixed set of voltage rails to improve the operating efficiency...
8354889 Power amplifier with dynamically added supply voltages  
An amplifier for amplifying a radio signal to a defined power output level is presented, wherein the amplifier comprises an amplifier input port, an amplifier output port, a first transistor for...
8339205 Low power wide-band amplifier with reused current  
In one embodiment, an apparatus includes a first amplification block configured to receive a signal and a second amplification block configured to output the signal. The outputted signal is an...
8330547 Gain control linearity in an RF driver amplifier transmitter  
An exemplary apparatus is disclosed that comprises a plurality of voltage to current transducers to convert an input signal voltage into a plurality of input signal currents and a cascode stage....
8319562 System and method for amplifying a signal using multiple amplification stages sharing a common bias current  
An apparatus including cascaded amplification stages adapted to be biased by a common DC current to generate an amplified output signal from an input signal. A first amplification stage includes a...
8319555 Amplifier  
The invention relates to a configurable low noise amplifier circuit which is configurable between a first topology in which the low noise amplifier circuit includes a degeneration inductance...
8314660 System and method for effectively implementing a unit Gm cell  
An apparatus and method for effectively implementing a unit Gm cell includes an input P that receives an input P signal and an input N that receives an input N signal. The unit Gm cell further...
8310311 Semiconductor integrated circuit device and communication system  
According to an embodiment, a semiconductor integrated circuit device includes an amplifier and a feedback circuit. The amplifier includes an input terminal receiving an input signal and an output...
8310314 Signal amplification circuits for receiving/transmitting signals according to input signal  
One exemplary signal amplification circuit used for processing an input signal includes an input stage, a plurality of output stages, and a selecting stage. The input stage has an input node for...
8305148 Bias point setting for third order linearity optimization of class A amplifier  
An actual linear amplifier distorts an input signal, such as an RF signal, and generates third order intermodulation (IM3) products. In an embodiment of a Class A amplifier, the linear amplifier...
8305139 Methods and apparatuses for high power and/or high frequency devices  
Driver circuits and methods related thereto for driving high power and/or high frequency devices are described. The driver circuits comprise transistor stacks and capacitors coupled with the...
8294520 Switchable multiband LNA design  
A low noise amplifying (LNA) circuit comprising an amplifying section (11, 12) and a feedback means (14) arranged for providing input matching from the output to the input. The LNA circuit further...
8294515 Amplifier  
A configurable low noise amplifier circuit which is configurable between a first topology in which the low noise amplifier circuit comprises a degeneration inductance stage whereby the low noise...
8294523 Low distortion cascode amplifier circuit  
An audio amplifier circuit has a first cascode stage configured as a voltage gain stage and having an input for an audio signal, and an output. The circuit has a second cascode stage configured as...
8279008 CMOS millimeter-wave variable-gain low-noise amplifier  
A low-noise amplifier (LNA) includes a first cascode gain stage coupled to an input node for increasing an amplitude of an RF input signal. A first variable gain network is coupled to the first...
8274336 Saturated power amplifier system  
A saturated power amplifier system has a saturated power amplifier that receives an input signal. The saturated power amplifier has one or more stages, including one or more output stages. Each...
8264281 Low-noise amplifier with tuned input and output impedances  
A low-noise amplifier (LNA) includes a pair of transistors connected in a cascode configuration to provide amplification to an input signal. The LNA generates an amplified output in differential...
8258871 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Amplifier
 
The invention relates to a configurable low noise amplifier circuit which is configurable between a first topology in which the low noise amplifier circuit includes a degeneration inductance...
8258869 Low noise amplifier with current bleeding branch  
An LNA circuit for providing a wide range of gain while maintaining the output headroom. In a radio frequency (RF) receiver, the signal received by the receiver may be extremely small. For a...
8248166 Triplet transconductor  
To reduce a knee voltage of a Darlington amplifier, a negative voltage is applied by a depletion mode FET between the emitter of one amplifying transistor and the base of another amplifying...
8242844 LNA circuit for use in a low-cost receiver circuit  
A low-noise amplifier (LNA) includes an input terminal for receiving an input signal, an output terminal for providing an output signal related to the input signal. The LNA further includes a...
8242847 Method and apparatus for improving amplifier linearity  
Aspects of the disclosure provide an amplifier. The amplifier includes a first path configured to generate a first current that has a first polarity third-order coefficient corresponding to an...
8228125 Electronic circuit with cascode amplifier  
An electronic circuit has an amplifier with an amplifying transistor and a cascode transistor. A capacitive voltage divider applies a fraction of an RF signal swing from the drain of the cascode...
8217723 Low noise amplifier circuit  
Low noise amplifier circuit. The low noise amplifier circuit includes an amplifier that amplifies an input to provide an output. The amplifier is coupled to an input terminal. The circuit also...
8212291 Inverse mode SiGe HBT cascode device and fabrication method  
Disclosed is a device structure using an inverse-mode cascoded Silicon-Germanium (SiGe) Heterojunction Bipolar Transistor (HBT) beneficial in applications requiring radiation hardened circuitry....
8203388 Low noise amplifier  
An amplifier having multiple gain modes comprises a plurality of cascoded input transistors connected to an input and arranged in parallel, a degeneration stage connected to the input transistors...
8183933 High-voltage impulse amplifier  
A circuit includes a first transistor in a common-collector configuration and a heterojunction bipolar transistor (HBT) in a common-emitter configuration. The first transistor has a base coupled...
8159298 Linearization circuits and methods for power amplification  
Linearization circuits of the invention are used in conjunction with power amplification circuits that comprise a power amplifier core. Exemplary linearization circuits comprise a replica of the...
8149062 Power amplifier circuitry having inductive networks  
A method and apparatus is provided for use in power amplifiers for reducing the peak voltage that transistors are subjected to. A power amplifier is provided with first and second switching...
8149064 Power amplifier circuitry and method  
A method and apparatus is provided for use in power amplifiers for reducing the peak voltage that transistors are subjected to. A power amplifier is provided with first and second switching...
8143950 Power amplifier break down characteristic  
Disclosed herein is a power amplifier. The power amplifier includes a first common source transistor for amplifying an input signal into a predetermined level, a second common source transistor...
8138839 Wideband CMOS gain stage  
A CMOS gain stage includes biasing circuitry configured to insure saturation of a subsequent stage without a source follower circuit. The CMOS gain stage is optionally powered by a supply voltage...
8120428 Apparatus and method for low noise amplification  
Apparatus and methods are disclosed, such as those involving a low noise amplifier. One such apparatus includes a low noise amplifier circuit configured to receive a signal at an input node and to...
8111105 Variable gain BiCMOS amplifier  
An amplifier circuit comprising: a MOSFET amplifier circuit; a BJT amplifier circuit; a MOSFET switch circuit arranged for switching between the MOSFET amplifier circuit and the BJT amplifier...