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| Application No. | Application Title | Issue Date |
| 20120126898 | AMPLIFYING APPARATUS An amplifying apparatus includes a first amplifier that amplifies an input signal on the basis of a value of a drain voltage and outputs a transmission signal, a distortion compensator that corrects a power amplitude of the input signal on the basis of a difference in p... | 05/24/2012 |
| 20120082174 | Sense Amplifier with Selectively Powered Inverter A sense amplifier includes a first inverter responsive to a first output of a latch. The first inverter is powered by a sense enable signal. The sense amplifier also includes a second inverter responsive to a second output of the latch. The second inverter is also power... | 04/05/2012 |
| 20120038423 | 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 circuit to implement different gain modes of the amplifier circuit.... | 02/16/2012 |
| 20120032741 | Integrated Bluetooth and Wireless LAN Transceivers Having Merged Low Noise and Power Amplifier A group of transistors operate as a combined power amplifier, to amplify signals to be transmitted, and as a low noise amplifier, to amplify signals which are received. In a first mode, the group of transistors is configured to amplify the signals to be transmitted by t... | 02/09/2012 |
| 20120021713 | Concurrent impedance and noise matching transconductance amplifier and receiver implementing same According to one embodiment, a concurrent impedance and noise matching transconductance amplifier designed for implementation in a receiver comprises an input device configured to couple to a matching network of the receiver, and a boost capacitor connected to the input... | 01/26/2012 |
| 20120007679 | Integrated RF Front End with Stacked Transistor Switch A monolithic integrated circuit (IC), and method of manufacturing same, that includes all RF front end or transceiver elements for a portable communication device, including a power amplifier (PA), a matching, coupling and filtering network, and an antenna switch to cou... | 01/12/2012 |
| 20120007678 | Broadband Transistor Bias Network An amplifying circuit for use in, for example, broadband transceivers is described. A bias filter is connected between an amplifying transistor and a power supply to block a wide range of frequencies associated with amplified RF input signals from reaching the power sup... | 01/12/2012 |
| 20110316632 | OPTICAL COMMUNICATION DEVICE An optical communication device which can be operated at high speed is provided. For example, the optical communication device includes: a pre-amplifier circuit PREAMP1 amplifying a current signal Iin from a photodiode PD, and converting an amplified signal into ... | 12/29/2011 |
| 20110316631 | 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 first transistor having a first source coupled to the input terminal through t... | 12/29/2011 |
| 20110304396 | POWER AMPLIFIER AND PROCESSING DEVICE UTILIZING THE SAME A processing device including a control unit and a power amplifier is disclosed. The control unit generates a plurality of control signals according to an input signal. The power amplifier includes a plurality of switches. The control signals control the switches to tur... | 12/15/2011 |
| 20110304397 | HIGH EFFICIENCY AUDIO AMPLIFIER SYSTEM A high efficiency amplifier system may include multiple output stages cooperatively operating to produce an amplified output signal. The amplifier system may be used in an audio system. The amplifier system may include a non-switchmode amplifier stage cooperatively oper... | 12/15/2011 |
| 20110291762 | INTEGRATED CIRCUIT AND SEMICONDUCTOR MEMORY DEVICE A semiconductor memory device includes a cell array including a plurality of unit cells, a first amplification circuit amplifying an input signal received from at least one unit cell among the unit cells, a signal transmission unit to transmit the signal to the first am... | 12/01/2011 |
| 20110291761 | HIGH-SPEED SENSING FOR RESISTIVE MEMORIES Embodiments of the present disclosure use one or more gain stages to generate an output voltage representing whether a resistive memory element of a data cell stores a high data value or a low data value. In a particular embodiment, an apparatus includes a sensing circu... | 12/01/2011 |
| 20110279184 | AREA EFFICIENT CONCURRENT MATCHING TRANSCEIVER An integrated circuit for transmit and receive matching is described. The integrated circuit includes a transmit amplifier. The transmit amplifier includes a first transistor, a second transistor and a first inductor. The first inductor couples the first transistor to t... | 11/17/2011 |
| 20110254592 | SAMPLING CIRCUIT AND IMAGE SIGNAL AMPLIFYING CIRCUIT EACH INCLUDING FEEDBACK CLAMP BLOCK AND IMAGE SENSOR INCLUDING THE IMAGE SIGNAL AMPLIFYING CIRCUIT A sampling circuit samples an input signal by using at least one switch, at least one capacitor, an amplifier, and a clamp block connected between an output terminal and a negative input terminal of the amplifier. The clamp block prevents a difference between a voltage ... | 10/20/2011 |
| 20110254627 | SIGNALING SYSTEMS, PREAMPLIFIERS, MEMORY DEVICES AND METHODS Signaling systems, preamplifiers, memory devices and methods are disclosed, such as a signaling system that includes a transmitter configured to receive a first digital signal. The transmitter provides a transmitted signal corresponding to the digital signal to a signal... | 10/20/2011 |
| 20110255359 | Sense-Amplification With Offset Cancellation For Static Random Access Memories An offset cancellation scheme for sense amplification is described. The scheme consists of group of transistors which are selectively coupled to high and low voltage levels via multi-phase timing. This results in a voltage level on nodes of interest which are a function... | 10/20/2011 |
| 20110248783 | CIRCUIT FOR AMPLIFYING A SIGNAL REPRESENTING A VARIATION IN RESISTANCE OF A VARIABLE RESISTANCE AND CORRESPONDING SENSOR A circuit for amplifying a signal representing a variation in resistance of a variable resistance comprising at least one first load linked to an output terminal of a first transistor whose other terminal is associated with a variable resistance, in such a way as to all... | 10/13/2011 |
| 20110241781 | Variable Class Characteristic Amplifier A power amplifier (PA) adjustably operable between two classes of operation. The range of operation lies in a range of operation between a conventional, linear, conjugately matched Class AB characteristic amplifier and a higher efficiency switching Class E characteristi... | 10/06/2011 |
| 20110235689 | POWER AMPLIFIER AND SEMICONDUCTOR INTEGRATED CIRCUIT In general, according to one embodiment, a power amplifier includes an envelope detector, a limiter, and a combiner. The envelope detector is configured to sense an envelope component of an input signal. The limiter includes a PMOS (Positive channel Metal Oxide Semicond... | 09/29/2011 |
| 20110215871 | Electronic circuits including a MOSFET and a dual-gate JFET Electronic circuits and methods are provided for various applications including signal amplification. An exemplary electronic circuit comprises a MOSFET and a dual-gate JFET in a cascode configuration. The dual-gate JFET includes top and bottom gates disposed above and ... | 09/08/2011 |
| 20110205193 | Operational amplifier with decreased through current, and display panel driver and display device incorporating the same An operational amplifier is provided with: a high-side output transistor connected between an output terminal and a positive power supply line; a low-side output transistor connected between the output terminal and a negative power supply line; a first capacitor element... | 08/25/2011 |
| 20110195677 | Stacked CMOS power amplifier and RF coupler devices and related methods Stacked CMOS power amplifier (PA) and radio frequency (RF) coupler devices and related methods are disclosed. The stacked device includes a CMOS PA die configured to receive a transmit input signal and to output an amplified transmit signal, and a RF coupler device conf... | 08/11/2011 |
| 20110181360 | Stacked linear power amplifier with capacitor feedback and resistor isolation A power amplifier with stacked, serially connected, field effect transistors is described. DC control voltage inputs are fed to the gates of each transistor. Capacitors are coupled to the transistors. The inputs and the capacitors are controlled to minimize generation o... | 07/28/2011 |
| 20110183636 | RADIO FREQUENCY TRANSMITTER HAVING AN AMPLIFIER WITH POWER SUPPLY MODULATION A circuit including a carrier amplifier having an input, an output, a first transistor coupled to a first power supply voltage terminal for receiving a modulated power supply voltage, and a second transistor coupled to a second power supply voltage terminal for receivin... | 07/28/2011 |
| 20110169570 | AMPLIFIER An amplifier includes a first amplifier comprising an N-type field-effect transistor receiving a reference voltage at a gate, a P-type field-effect transistor connected between a drain of the N-type field-effect transistor and a power supply voltage line, and a constant... | 07/14/2011 |
| 20110169571 | 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 arranged to connect or disconnect a corresponding at least one grounded matchin... | 07/14/2011 |
| 20110163812 | ULTRA LOW-POWER CMOS BASED BIO-SENSOR CIRCUIT An apparatus configured to identify a material having an electric charge, the apparatus having: an inverting gain amplifier including a first field-effect transistor (FET) coupled to a second FET; wherein a gate of the first FET is configured to sense the electric charg... | 07/07/2011 |
| 20110156817 | POWER AMPLIFIER 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 for compensating for input capacitance and performing auxiliary amplificatio... | 06/30/2011 |
| 20110148526 | Low noise amplifier with variable frequency response The present invention relates a low noise amplifier with adaptive frequency responses and method of altering frequency responses thereof. The low noise amplifier comprises an inductive degeneration circuit, N cascode circuits and N switches. The inductive degeneration c... | 06/23/2011 |
| 20110140784 | Amplifier Circuit An amplifier circuit includes a pair of amplifying devices, a first balun coupled between an input port of the amplifier circuit and RF input ports of the pair of amplifying devices and a second balun coupled between RF output ports of the pair of amplifying devices and... | 06/16/2011 |
| 20110140783 | DOHERTY AMPLIFIER WITH COMPOSED TRANSFER CHARACTERISTIC HAVING MULTIPLE PEAK AMPLIFIERS A combination amplifier (1,1a) is provided which comprises a carrier amplifier (7,7a) and a series connection of a first peak amplifier (9,9a) and a second peak amplifier (11,11a) which are provided with a phase-sh... | 06/16/2011 |
| 20110133838 | LOW OUTPUT IMPEDANCE RF AMPLIFIER A radio frequency (RF) power amplifier includes a low impedance pre-driver driving the input of a common-source output amplifier stage. The preamplifier includes a first transistor that has a first terminal coupled to a preamplifier RF input node, a second terminal coup... | 06/09/2011 |
| 20110123049 | Systems and Methods for Offset Cancellation Method for DC-Coupled Audio Drivers Direct current (DC) offset in and audio driver can cause a constant drain on power even when there is no sound. Furthermore it can cause an audible pop when the audio driver is enabled. A scaled replica output stage can be employed to perform DC offset cancellation offl... | 05/26/2011 |
| 20110121903 | POWER AMPLIFIER There is provided a power amplifier that can increase power efficiency by preventing power consumption caused by DC components from an RF input signal. A power amplifier according to an aspect of the invention may include: an inverter amplification section amplifying an... | 05/26/2011 |
| 20110109391 | Power Amplifier with Stabilising Network A power amplifier circuit comprising a transistor for receiving a signal to be amplified at an input and for outputting an amplified signal at an output; a modulated power supply connected to the transistor output; and a resistive element connected at the transistor out... | 05/12/2011 |
| 20110102087 | DC SLOPE GENERATOR A system for generating a tunable DC slope includes: a first stage, supplied with an external voltage, for receiving a process, voltage and temperature (PVT) insensitive reference voltage and generating a voltage independent current; a second stage, coupled to the first... | 05/05/2011 |
| 20110102088 | 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 includes a device in a cascode connection with the amplifier. The circuit fur... | 05/05/2011 |
| 20110095824 | RF POWER AMPLIFIER INTEGRATED CIRCUIT AND UNIT CELL A novel RF power amplifier integrated circuit (PA IC), unit cell, and method for amplifying RF signals are disclosed. One embodiment of a PA IC includes at least two linear arrays comprising transistor device units, and at least one linear array comprising capacitors. T... | 04/28/2011 |
| 20110095825 | Error Amplifier One of the objects of the present invention is to suppress variations in the frequency response of a feedback circuit due to variations in the value of a passive element in an error amplifier. One of the embodiments of the present invention provides a configuration allo... | 04/28/2011 |
