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| Number | Title | Issue Date |
| 7724083 | Method and apparatus for Josephson distributed output amplifier The disclosure generally relates to a method and apparatus for providing high-speed, low signal power amplification. In an exemplary embodiment, the disclosure relates to a method for providing a wideband amplification of a signal by forming a first transmission lin... | 05/25/2010 |
| 7432922 | Source driver and source driving method A source driver for LCD devices, used for driving at least one data line, comprises an input for receiving a predetermined voltage; an output electrically being connected to the data line and having an output voltage; a voltage clamping circuit for clamping the outp... | 10/07/2008 |
| 7336940 | Frequency conversion techniques using antiphase mixing A frequency upconverter using mixers operating on one or more signals and inverted versions thereof and a subtractor, such as a balun, for subtractively combining the mixer outputs to produce an upconverted signal. ... | 02/26/2008 |
| 7315206 | Travelling-wave amplifier A traveling-wave amplifier includes amplifiers coupled anti-parallel to transmission lines. Phase(s) of the amplifiers provide phase matching, which may additionally or alternately be provided by couplers or spatial offset of the amplifiers and couplers. The traveli... | 01/01/2008 |
| 7279980 | Non-uniform distributed multi-stage circuits Provided herein is a non-uniform multi-stage distributed circuit capable of operation with an improved gain-bandwidth product. The circuit can include an input port, an output port and a transmission line coupled therebetween. Two or more amplifier stages can be cou... | 10/09/2007 |
| 7271657 | Traveling wave amplifier A traveling wave amplifier comprises a first normally off MOS transistor having a drain, source and gate terminal. The drain terminal is connected to a node of a drain line, which is connected to a first supply voltage potential via a connecting resistor. The gate t... | 09/18/2007 |
| 7268627 | Pre-matching of distributed and push-pull power transistors Pre-matching of distributed push-pull and power transistors enabling the effective use of high-power and high-frequency transistor arrays. In accordance with the invention, a pre-matching element is connected between stages of multi-transistor arrays. The pre-matchi... | 09/11/2007 |
| 7239852 | Asymmetric, optimized common-source bi-directional amplifier A common source, bi-directional microwave amplifier is described. More particularly, the present invention is a microwave, common source, bi-directional amplifier that includes a first amplification path and a second amplification path wherein the signal directional... | 07/03/2007 |
| 7233207 | System and method for providing an input to a distributed power amplifying system A system and a method for providing an input to a distributed power amplifying system are provided. In an embodiment, a distributed power amplifying system includes a plurality of amplifying sections (102, 104, 106, and 108) and a plurality of drivers ... | 06/19/2007 |
| 7227430 | Multichip module A bondwire transition arrangement for interconnecting a signal port on one IC of a multichip module with a signal port on another, adjacent, IC of the same module employs a distributed signal-transition process in which the signal on one port appears as subsignals a... | 06/05/2007 |
| 7218910 | High impedance circuit A high impedance circuit of the present invention includes an LC parallel resonance circuit for raising circuit impedance, and a diode, which is connected in parallel to the LC parallel resonance circuit, causing a loop current to flow back via the diode and an indu... | 05/15/2007 |
| 7199665 | Single to dual non-overlapping converter A converter includes an input circuit to receive a single-ended input signal to generate a number of control signals. The control signals have a delay different from one another relative to the single-ended input signal. The converter also includes a first output ci... | 04/03/2007 |
| 7194390 | Predictor of minimal noise figure for wideband amplifier A predictor allows the computation of the greatest lower bound of the noise figure pertaining uniformly over the operating band of a wideband amplifier. This computation is done directly from noise-parameter data of the amplifier. ... | 03/20/2007 |
| 7154329 | Method and apparatus for compensating amplifier output for temperature and process variations An amplifier circuit includes a calibration circuit with a controllable circuit element such as a digital resistor. One or more properties of the controllable circuit element (e.g., the resistance in a digital resistor) is varied by a digital calibration word such t... | 12/26/2006 |
| 7142052 | Travelling wave amplifiers A traveling wave amplifier (TWA) comprising two or more amplification modules, the inputs of adjacent amplification modules being connected together by a first inductance component of a first characteristic impedance, a second inductance component of a second charac... | 11/28/2006 |
| 7138884 | Circuit package integrating passive radio frequency structure In general, the invention is directed to integration of passive radio frequency (RF) structures with at least one integrated circuit in a single integrated circuit (IC) package. An IC package in accordance with the invention may include, for example, a radio IC, a d... | 11/21/2006 |
| 7132894 | Differential traveling wave driver amplifier In one embodiment, the present invention includes a differential traveling wave amplifier having a lumped differential preamplifier stage and a distributed differential amplifier stage coupled by a differential end termination interface. In certain embodiments, the ... | 11/07/2006 |
| 7129783 | Hybrid active combiner and circulator The hybrid active combiner and circulators serves as a coupler and is a three port network that integrates a directional coupler topology with active devices placed in the coupling paths in order to synthesize a low-loss active combiner circuit or a circulator devic... | 10/31/2006 |
| 7129804 | Reflection loss suppression circuit An object is to suppress a reflection loss in any desired frequency band outside a required band, without affecting circuit characteristics in the required frequency band. The output impedance of a circuit in a specified frequency band is transformed into a high imp... | 10/31/2006 |
| 7058555 | Predictor for optimal selective power transfer A predictor for optimal transducer power gain computes the maximum transducer power gain attainable by a lossless matching network for a given load operating over selected non-overlapping (disjoint) sub-bands within a frequency band of operation. ... | 06/06/2006 |
| 7015722 | Current-controlled CMOS circuits with inductive broadbanding Various circuit techniques for implementing ultra high speed circuits use current-controlled CMOS (C3MOS) logic with inductive broadbanding fabricated in conventional CMOS process technology. Optimum balance between power consumption and speed for each ci... | 03/21/2006 |
| 6930557 | Multi-stage amplifier A multi-stage amplifier includes first and second amplifier stages, and first and second capacitors. The first amplifier stage includes a input line having a first input end and a second input end; an input terminal block connected to the second input end; an amplif... | 08/16/2005 |
| 6930556 | Active-loop, spatially-combined amplifier A system for amplifying a signal is provided. The system includes a wave guide and an active loop amplifier disposed in the wave guide. The active loop amplifier receives the signal and generates a magnetic field in response to the signal, such as one that couples t... | 08/16/2005 |
| 6924697 | Semiconductor device and method thereof A signal along a voltage reference bus of an RF device is rectified to provide an indication of the amplitudes of the RF voltage swings that are the result of rapidly varying RF currents. The indication is proportional to the peak RF currents through the RF device a... | 08/02/2005 |
| 6900695 | Reconfigurable broadband active power splitter ditto power combiner and ditto bidirectional power splitter/power combiner and circuits based on these A distribution network which can be an active power splitter or an active power combiner or alternatingly power splitter and such a power combiner. The power splitter consists of two distributed amplifiers with a common input and one output each, and the power combi... | 05/31/2005 |
| 6894566 | Active load device that enables biasing of a very wide band distributed amplifier circuit with gain control The invention relates to a very wide band amplifier circuit including a distributed amplification cell (100) connected to a biasing cell (200), the amplification cell (100) including several transistors (T1) connected in parallel between ... | 05/17/2005 |
| 6794934 | High gain wideband driver amplifier Methods and circuitry for implementing monolithic high gain wideband amplifiers. The invention implements an amplifier with a limiter that also performs a signal dividing function. In a specific embodiment, the limiter is designed to make available two in-phase outp... | 09/21/2004 |
| 6788149 | Broad-band biasing system for biasing an electronic circuit and an amplifier incorporating the system A biasing system for biasing an electronic circuit includes a resistance connected in series with a transmission line which has a characteristic impedance substantially equal to the resistance and comprises a conductive line and a plurality of current sources distri... | 09/07/2004 |
| 6778015 | Distributed amplifier A distributed amplifier having a plurality of cascode amplifying circuits, and which causes little deterioration of the output waveform. In a preferred embodiment, the source potentials of the source-grounded transistors of the respective amplifying circuits are set... | 08/17/2004 |
| 6768378 | Distributed RF power amplifier with load compensation A radio frequency power amplifier circuit according to certain embodiments of the present invention uses a distributed radio frequency amplifier 110 having a plurality of stages each with an input. The distributed radio frequency amplifier 110 drives a... | 07/27/2004 |
| 6759907 | Distributed level-shifting network for cascading broadband amplifiers A distributed and adjustable level-shifting network is integrated with cascaded amplifiers, eliminating the need for a direct current (dc) blocking capacitor between the amplifiers. The level-shifting network can be adjusted to compensate for process variations and ... | 07/06/2004 |
| 6747511 | Distributed amplifier with pi-configuration analysis and synthesis lines A distributed amplifier for wide-band, high power application is disclosed. The amplifier consists of an analysis module, a gain module and a synthesis module. In the analysis and synthesis modules, inductors such as transmission lines are connected to gain elements... | 06/08/2004 |
| 6741126 | Low noise amplifier arrangement An amplifier arrangement (10) comprises an input node (24) and an output node (26). A plurality of amplifiers (20.1) to 20.4) are connected in respective parallel paths (28.1 to 28.4) extending between the input node ... | 05/25/2004 |
| 6737921 | Distributed amplifier and differential distributed amplifier Four unit FETs are linearly disposed in the length direction of the belt-shaped gate electrode. The neighboring drain electrodes and the neighboring gate electrodes are connected through high-impedance transmission lines, respectively. The end opposite to the output... | 05/18/2004 |
| 6650200 | Dynamic combiner/splitter for RF signal systems A circuit for dynamically combining/splitting power amplifier outputs having at least four power input ports. The input ports are joined by a 360 degree transmission line having three switches spaced 90 degrees apart. Two coupled line circuits are connect... | 11/18/2003 |
| 6597243 | Distributed amplifier having a tapered transconductance architecture A distributed amplifier having an improved transimpedance and/or gain comprises an input transmission line, the input transmission line forming an input of the distributed amplifier and having a characteristic impedance associated therewith, and an output... | 07/22/2003 |
| 6567327 | Driving circuit, charge/discharge circuit and the like To provide a driving circuit constituted by a first output stage including a charging means and a first constant current circuit, a second output stage including a discharging means and a second constant current circuit, a precharge/predischarge circuit c... | 05/20/2003 |
| 6486756 | Superconductor signal amplifier A superconductor signal amplifier which receives an extremely small high-frequency signal having a frequency of tens of GHz generated in a superconductive circuit, amplifies the voltage of the high-frequency signal without a decrease in frequency, and out... | 11/26/2002 |
| 6342815 | Manufacturable HBT power distributed amplifier for wideband telecommunications A power distributed amplifier that provides a high power output and a wide bandwidth. The amplifier includes an input and output load termination resistors opposite respective input and output ends of a transmission line. A plurality of amplifying devices... | 01/29/2002 |
| 6121833 | High-gain amplifier To implement a high-gain amplifier in a microwave frequency band, it is proposed to interconnect amplification circuits and to cover the housing that contains them with a lid. In the space between the lid and the amplification circuits, inside the housing... | 09/19/2000 |
