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| Application No. | Application Title | Issue Date |
| 20120049960 | PRE-DRIVER AND DIGITAL TRANSMITTER USING THE SAME A pre-driver includes first to fourth transistors and first and second impedance elements. The first transistor, coupled between the first output terminal and a first node, has a gate coupled to the first differential input terminal. The second transistor, coupled betwe... | 03/01/2012 |
| 20120039487 | FIRST STAGE AMPLIFIER CIRCUIT An external audio signal is input to an input terminal which is connected to the first terminal of a first resistor. The first terminal of a second resistor is connected to the second terminal of the first resistor. An operational amplifier is arranged such that its inv... | 02/16/2012 |
| 20120032740 | AMPLIFIER FOR RECEIVING INTERMITTENT OPTICAL SIGNAL An amplifier for receiving an optical signal is disclosed. The amplifier provides a response time controller including an integrator with two time constants, a linear amplifier, a hysteresis comparator, an another integrator, and a switch to change the time constant. Th... | 02/09/2012 |
| 20120001689 | NANOELECTRONIC DIFFERENTIAL AMPLIFIERS AND RELATED CIRCUITS IMPLEMENTED ON A SEGMENT OF A GRAPHENE NANORIBBON A multiple transistor differential amplifier is implemented on a segment of a single graphene nanoribbon. Differential amplifier field effect transistors are formed on the graphene nanoribbon from a first group of electrical conductors in contact with the graphene nanor... | 01/05/2012 |
| 20110316628 | COMPLIMENTARY SINGLE-ENDED-INPUT OTA-C UNIVERSAL FILTER STRUCTURES A complimentary single-ended-input OTA-C universal filter structures in terms of integrated circuits is provided. The integrated circuit comprises a plurality of amplifiers and a plurality of capacitors. In some capacitors, one electrode is electrically connected to the... | 12/29/2011 |
| 20110309883 | Integrated Linear Power Detection In An RF Power Amplifier A radio frequency (RF) power amplifier system having a power detection feature includes a balanced power amplifier, an in-phase branch current detector, an out-of-phase branch current detector, and detection circuitry. The balanced power amplifier includes a phase split... | 12/22/2011 |
| 20110291758 | DIFFERENTIAL COMPARATOR CIRCUIT HAVING A WIDE COMMON MODE INPUT RANGE In one embodiment of the invention, a circuit arrangement is provided. The circuit arrangement includes a plurality of differential amplifiers, coupled in parallel, including at least a first differential amplifier and a second differential amplifier. Each differential ... | 12/01/2011 |
| 20110291589 | MULTI-INPUT DIFFERENTIAL AMPLIFIER AND LIGHT EMITTING ELEMENT DRIVING DEVICE A multi-input differential amplifying device of the present invention includes: a differential amplifier having an inverting input terminal and a non-inverting input terminal; and an input portion configured to apply a first input voltage to a first input terminal that ... | 12/01/2011 |
| 20110241777 | CONVERSION CIRCUIT FROM SINGLE PHASE SIGNAL TO DIFFERENTIAL PHASE SIGNAL A differential amplifier showing a suppressed output offset is disclosed. The differential amplifier includes a pair of differential transistors, a pair of cascode transistors, and a reference generator. One of differential transistors receives an AC signal, while, the ... | 10/06/2011 |
| 20110222443 | LTE-ADVANCED (4G) FRONT END RADIO ARCHITECTURE A front end radio architecture (FERA) is disclosed that includes a power amplifier (PA). The PA includes first and second input terminals and first and second output terminals and a PA die having first and second half amplifier cells, each of which includes an output am... | 09/15/2011 |
| 20110215868 | Operational Amplifier Having Improved Slew Rate A slew rate improved operational amplifier circuit is provided to improve the slew rates of an operational amplifier with minimal sacrifices in power dissipation and other operational amplifier parameters. To improve the slew rates of operational amplifiers, additional ... | 09/08/2011 |
| 20110215870 | BURST MODE AMPLIFIER An integrator circuit cancels a DC offset component related to an average DC value of a burst mode input signal from the output of an amplifier. The integrator circuit outputs an average DC value of the input signal in a response time that is shorter than the preamble o... | 09/08/2011 |
| 20110210791 | INTEGRATED CIRCUIT DEVICES HAVING A DATA CONTROLLED AMPLIFIER AND METHODS OF OPERATING THE SAME An integrated circuit device includes an amplifier circuit that includes first and second differential transistor pairs that are selectively operable responsive to at least one bit of a multi-bit data signal.... | 09/01/2011 |
| 20110204977 | SOLID-STATE IMAGE PICKUP APPARATUS AND DRIVING METHOD THEREFOR An apparatus according to an embodiment of the present invention includes a conversion unit configured to generate electric charge, a first amplification unit configured to amplify a signal corresponding to an amount of the electric charge and output a first amplified s... | 08/25/2011 |
| 20110205098 | SWITCHED CAPACITOR AMPLIFIER A switched capacitor amplifier having an amplification unit adapted to amplify a differential signal; a first switched capacitor block including a first plurality of capacitors operable to sample a first differential input signal during a first sampling phase and to dri... | 08/25/2011 |
| 20110194368 | Regulator and semiconductor device A regulator including a differential amplifier including a differential input stage that differentially receives a reference voltage and an output terminal voltage of the regulator, a drive transistor that has an output connected to an output terminal of the regulator a... | 08/11/2011 |
| 20110193631 | AMPLIFIER According to embodiments, in a case that a source voltage is lowered and a potential difference between the source voltage and a ripple terminal voltage is below a constant potential difference, the ripple terminal voltage is lowered until the ripple terminal voltage re... | 08/11/2011 |
| 20110182129 | SENSE AMPLIFIER HAVING LOOP GAIN CONTROL Memories, sense amplifiers, and methods for amplifying a current input are disclosed, including a sense amplifier including a bias circuit configured to provide a bias voltage having a magnitude responsive to maintaining a substantially constant loop gain, and further i... | 07/28/2011 |
| 20110175660 | Semiconductor device, data transmission system and method of controlling semiconductor device A semiconductor device includes an amplifier section that receives a small-amplitude signal in which data is updated in synch with a clock, and an output section coupled to the output of the amplifier section. In synch with the clock, the amplifier section increases the... | 07/21/2011 |
| 20110157150 | SOURCE DRIVER AND ASSOCIATED DRIVING METHOD A source driver includes a first differential amplifier, a first output stage, a second differential amplifier, a second output stage and a multiplexer. The first differential amplifier is utilized for receiving a first differential input signal pair to generate a first... | 06/30/2011 |
| 20110148522 | INTEGRATED CIRCUIT HAVING A DUMMY TRANSIMPEDANCE AMPLIFIER Consistent with the present disclosure, a “dummy” transimpedance amplifier (dummy TIA) is provided on a substrate along with one or more other transimpedance amplifiers (TIAs) that are connected to photodiodes and output voltage signals for further processing. Typic... | 06/23/2011 |
| 20110140782 | Differential Gm-Boosting Circuit and Applications A fully-differential circuit includes a differential gm-boosting circuit and/or a differential output circuit. The use of differential gm-boosting and output circuits improves input common-mode and power-supply noise rejection relative to the prior art. The fully differ... | 06/16/2011 |
| 20110133970 | MULTIPATH AMPLIFIER Because of variations in open loop gain and bandwidth in successive approximate register (SAR) analog-to-digital converters (ADCs), designing amplifiers with the desired characteristics is difficult. Here, a multipath amplifier is provided that accounts for the variatio... | 06/09/2011 |
| 20110128077 | DIFFERENTIALLY COMPENSATED AMPLIFIER The invention is directed to an amplifier including an absolute value circuit. The absolute value circuit may be driven by differential potentials and may include a first pair of transistors modulating a tail current of the amplifier when a differential input voltage go... | 06/02/2011 |
| 20110123040 | DYNAMIC SWITCHABLE MODE DUAL BRIDGE POWER AMPLIFIER A dual bridge amplifier includes a first bridge amplifier receiving a first input signal and having a pair of drive outputs connecting to a first load, a second bridge amplifier receiving a second input signal and having a pair of drive outputs connecting to a second lo... | 05/26/2011 |
| 20110115561 | OUTPUT COMMON MODE VOLTAGE STABILIZER OVER LARGE COMMON MODE INPUT RANGE IN A HIGH SPEED DIFFERENTIAL AMPLIFIER A circuit includes a differential amplifier having a folded cascode architecture with a pair of cascode transistors. A sensing circuit senses a common mode input voltage of a differential input signal applied to the differential amplifier. A bias generator circuit gener... | 05/19/2011 |
| 20110109390 | TRANSCONDUCTOR CIRCUIT A transconductor circuit, particularly according to the multi-tanh principle, having a first input node and a second input node, a first differential amplifier coupled to the first and second input nodes, and having a first offset voltage, and a second differential ampl... | 05/12/2011 |
| 20110109388 | DIFFERENTIAL RF AMPLIFIER An RF amplifier including first and second branches coupled in parallel between first and second supply voltage terminals, and a differential pair including first and second transistors each having first and second main current terminals, the second main current termina... | 05/12/2011 |
| 20110102081 | AMPLIFIER CIRCUIT WITH OVERSHOOT SUPPRESSION An amplifier circuit with overshoot suppress scheme including an input amplifier, an output amplifier, and a diode is provided. A first and a second input ends of the output amplifier are coupled to a differential output pair of the input amplifier. A first end of the d... | 05/05/2011 |
| 20110096240 | HIGH DYNAMIC RANGE LOW-POWER DIFFERENTIAL INPUT STAGE A low-power high dynamic range RF input stage (200) with a noiseless degeneration component, such as a capacitor (201), is provided. High dynamic range means a combination of low noise contribution by the stage (200) and a low level of intermodulati... | 04/28/2011 |
| 20110063028 | POWER AMPLIFIER A power amplifier comprises a plurality of primary inductors provided on a substrate in a circular geometry as a whole; a plurality of amplifier pairs; a secondary inductor; and a connection wiring. Each amplifier pair is coupled to two ends of a corresponding primary i... | 03/17/2011 |
| 20110062937 | Low Voltage Bandgap Voltage Reference Circuit A temperature compensated low voltage reference circuit can be realized with a reduced operating voltage overhead and reduced spatial requirements This is accomplished in several ways including integrating one or more bipolar junction transistors into a current differen... | 03/17/2011 |
| 20110043295 | Semiconductor device having an ESD protection circuit A semiconductor integrated circuit, includes an operational amplifier including a first input terminal, a second input terminal, and an output terminal, a first transistor which has a source-drain route connected between an external terminal and a first voltage, and a g... | 02/24/2011 |
| 20110043281 | DYNAMICALLY ADJUSTABLE LOW NOISE, LOW POWER INSTRUMENTATION AMPLIFIER A circuit in accordance with an embodiment of the present invention includes an instrumentation amplifier, a dynamically adjustable low pass filter, at least one monitor and a controller. The instrumentation amplifier includes a pair of buffered operational amplifiers t... | 02/24/2011 |
| 20110025280 | REGULATOR HAVING PHASE COMPENSATION CIRCUIT A regulator circuit includes an output transistor that generates an output current in accordance with a control voltage that is applied to a control terminal of the output transistor. A differential amplifier provides feedback control of the control voltage in accordanc... | 02/03/2011 |
| 20110025655 | OPERATIONAL AMPLIFIER AND SEMICONDUCTOR DEVICE USING THE SAME An operational amplifier is provide with: a first MOS transistor pair connected to a non-inverting input terminal and an inverting input terminal; an intermediate stage connected to the first MOS transistor pair connected to the first MOS transistor pair; a first output... | 02/03/2011 |
| 20100301937 | OUTPUT CIRCUIT An output circuit that occupies a small area includes a control unit, X, Y, and Z axes amplification units, and first and second common circuits. The control unit outputs a temperature coefficient offset for correcting the temperature dependence of a sensor output. The ... | 12/02/2010 |
| 20100295615 | CML OUTPUT DRIVER An integrated circuit (IC) for driving a light emitting semiconductor device is provided. The IC includes an input stage configured to receive a first input signal with a first differential pair of bipolar transistors and a second input signal with a second differential... | 11/25/2010 |
| 20100283652 | SEMICONDUCTOR DEVICE AND DIFFERENTIAL AMPLIFIER CIRCUIT THEREFOR A differential amplifier circuit comprising a differential amplifier capacitor and a mismatch error cancellation circuitry, a first pair of capacitors, a second pair of capacitors consisting of switching network. The switching network is arranged to operate in a first c... | 11/11/2010 |
| 20100283541 | SIGNAL LEVEL DETECTOR WITH HYSTERESIS CHARACTERISTIC A signal level detector is disclosed, in which the noise tolerance of the signal detection is enhanced without increasing power consumption of the circuit. The signal detector includes two amplifiers, whose gain is fixed but different from each other, a switch to select... | 11/11/2010 |
