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| Number | Title | Issue Date |
| 7956667 | Power supply voltage forming device and polar modulation transmission device Provided is a power voltage forming device which can correct an offset voltage of a high-frequency power amplifier without degrading distortion characteristic of a high-frequency power amplifier. The power voltage forming device (100) includes: a level adjust... | 06/07/2011 |
| 7834676 | Method and apparatus for accounting for changes in transistor characteristics A device for accounting for changes in characteristics of a transistor is presented. The device includes a transistor and a comparator receiving a feedback signal from the transistor and a reference signal. The comparator provides an output to a bias voltage generat... | 11/16/2010 |
| 7405610 | Temperature compensation circuit A temperature compensation circuit consists of a thermo sensitive resistance, a fixed resistance, a logic buffer, and a logic inverter, without incorporating any operational amplifier. A resistance value of the thermo sensitive resistance is changed by temperature c... | 07/29/2008 |
| 7368974 | Signal adder circuit capable of removing effects due to phase error or amplitude error of I and Q signals A signal adder circuit includes: an adding unit that includes at least a pair of amplification elements in which a constant current flows between ground terminals and a ground, input signals having different phases are input to input terminals, and output terminals ... | 05/06/2008 |
| 7356309 | Directional coupler for communication system An improved directional coupler that significantly reduces the signal degradation problems associated with distortion caused by circuit elements used to measure the transmitted power. In a selected embodiment, the directional coupler of the present invention compris... | 04/08/2008 |
| 7352231 | Method and circuit for perturbing removable singularities in coupled translinear loops A translinear network (34) has first (Q1, Q2, Q3, Q4) and second (Q4, Q3, Q5, Q6) translinear loops. A Trafton-Hastings clamp circuit (36) is connected to generate ... | 04/01/2008 |
| 7342432 | Mixer circuit having improved linearity and noise figure A mixer circuit having improved linearity and noise figure is disclosed. The mixer circuit comprises an amplification unit having an input terminal and an output terminal, the amplification unit amplifying a signal applied to the input terminal to output it to the o... | 03/11/2008 |
| 7339427 | Analogue power control in a saturated amplifier A circuit is disclosed having a first series circuit path including a first switching transistor, a cascode transistor disposed in cascode arrangement with the first switching transistor, a transformer, and a fourth switching transistor. The circuit also has a secon... | 03/04/2008 |
| 7321628 | Data transmission system with reduced power consumption System and method for reducing power consumption and noise in a transmission system with an asymmetrically terminated transmission line. A preferred embodiment comprises encoding data words to reduce the number of times a given state appears in a code word. The pref... | 01/22/2008 |
| 7312509 | Digital temperature sensing device using temperature depending characteristic of contact resistance A digital temperature sensing device uses temperature depending characteristic of contact resistance of a MOS transistor and a self-refresh driving device adjusts its self-refresh period depending on temperature using the digital temperature sensing device. The self... | 12/25/2007 |
| 7313588 | Locally executing software agent for retrieving remote content and method for creation and use of the agent A software agent is provided which executes instructions on a local user's computer to retrieve potentially changing information content from remote target sources, including web pages, over a computer network, such as the Internet. Different types of software agent... | 12/25/2007 |
| 7288990 | Reference buffer with dynamic current control A method can allow a system to selectively control increasing of a bias source in a reference buffer or decreasing impedance looking into a output of the reference buffer for a temporary or selective time period, which can result in an increased overall efficiency o... | 10/30/2007 |
| 7283865 | Device and method for determining a cardiac condition using a complex signal formed from a detected cardiac signal In a device and a method for determining a cardiac condition from a detected cardiac signal, an input signal is formed from the detected cardiac signal and supplied to an analysis unit. The analysis unit forms an analysis signal from the input signal, having a real ... | 10/16/2007 |
| 7279937 | Programmable amplitude line driver Embodiments of the invention include an integrated circuit including a line driver. The integrated circuit includes a voltage mode driver comprising complementary first and second input voltage drivers, a programmable resistor network and a current mode driver. The ... | 10/09/2007 |
| 7279951 | DC offset cancellation circuit, differential amplification circuit with DC offset cancellation circuit, photo-electric pulse conversion circuit, pulse shaping circuit, and pulse generation circuit A DC offset cancellation circuit that is capable of canceling a DC offset voltage occurring between a pair of differential output signals of a differential amplification circuit, while preventing a signal waveform from being distorted due to accumulation of AC compo... | 10/09/2007 |
| 7274350 | Analog buffer for LTPS amLCD A buffer circuit for a liquid crystal display device that comprises a first transistor further comprising a gate connectable to an input signal, a first electrode coupled to a first power supply, and a second electrode connectable to a second power supply, a second ... | 09/25/2007 |
| 7274209 | Low voltage to high voltage signal level translator with improved performance A circuit for shifting a signal from a first voltage level to a second voltage level. In one embodiment, a voltage translator circuit has first and second transistors that are cross-coupled; a third transistor having a gate coupled with the input signal, the third t... | 09/25/2007 |
| 7263117 | Dual control analog delay element and related delay method A delay line including analog delay elements each having a selectively adjusted coarse and fine delay portion is described. The coarse delay portion receives an input clock signal and generates a ramp signal having a slope based on a predetermined coarse delay setti... | 08/28/2007 |
| 7248086 | Leakage compensation for capacitors in loop filters A loop filter of a compensating phase-locked loop contains capacitors formed from transistors with thin gate oxide dielectric layers. Leakage current leaks through the capacitors. To avoid jitter in the output signal of the phase-locked loop that would otherwise be ... | 07/24/2007 |
| 7233196 | Bandgap reference voltage generator An electrical circuit is disclosed that is capable of improving the power supply rejection ratio of a standard bandgap reference while maintaining the temperature coefficient of the standard design. One embodiment of the circuit comprises a bandgap reference voltage... | 06/19/2007 |
| 7212040 | Stabilization of state-holding circuits at high temperatures A state-holding circuit having improved stability at high temperatures includes a bi-stable circuit capable of assuming one of two reversible and stable states. The bi-stable circuit comprises a plurality of logic components (e.g., transistors) arranged into two sid... | 05/01/2007 |
| 7206669 | Two-wire controlling and monitoring system for the irrigation of localized areas of soil A two-wire controlling and monitoring system for irrigation of localized areas of soil includes a water pipeline, a plurality of controllable irrigation valves, a plurality of field sensors measuring specific irrigation parameters, and a plurality of localized irrig... | 04/17/2007 |
| 7170325 | Circuit for controlling a delay time of input pulse and method of controlling the same Provided is directed to a circuit of controlling a pulse width and a method of controlling the same, which can remove failure possible to be generated during operations of a DRAM or a DDR in a high frequency by guaranteeing read and write operations of a stabilized ... | 01/30/2007 |
| 7167050 | Operational amplifier having large output current with low supply voltage An operational amplifier including a differential input section generating a first signal as a differential voltage between two input signals; an amplifying section amplifying the first signal into second and third complementary signals; a first MOS transistor betwe... | 01/23/2007 |
| 7161752 | Asymmetric compensation circuit An apparatus, method, and system for providing asymmetric signal correction in a HDD system using magneto-resistive (MR) heads for reading information stored thereon. The MR head produces a signal that is asymmetric, and an asymmetric correction circuit corrects the... | 01/09/2007 |
| 7138852 | Semiconductor integrated circuit device A semiconductor integrated circuit device includes a logic circuit to perform a predetermined process, a clock generator to supply a clock signal to the logic circuit, and a speed controller to control the operation speed of the logic circuit. The clock generator ch... | 11/21/2006 |
| 7132889 | Translinear variable gain amplifier A translinear variable-gain amplifier. The translinear variable gain amplifier receives a differential input voltage and produces a differential output current having a selected gain. The amplifier comprises a buffer amplifier that receives the differential input vo... | 11/07/2006 |
| 7129800 | Compensation technique to mitigate aging effects in integrated circuit components A method and apparatus for compensating for age related degradation in the performance of integrated circuits. In one embodiment, the phase-locked loop (PLL) charge pump is provided with multiple legs that can be selectively enabled or disabled to compensate for the... | 10/31/2006 |
| 7126412 | Preamplification circuit This preamplification circuit comprises a first circuit section, second circuit section the input signal of which is the output signal of the first circuit section, and third circuit section which is connected with the input section of the first circuit section and ... | 10/24/2006 |
| 7116158 | Bandgap reference circuit for ultra-low current applications A bandgap reference circuit as may be used in ultra-low current applications is provided. An exemplary bandgap circuit can be configured to generate a positive temperature coefficient without the need for a resistor to offset a negative temperature coefficient. In a... | 10/03/2006 |
| 7107025 | High gain, highly linear mixer A high gain, highly linear mixer includes an input section, mixing section, at least one tuning component, and at least one stand by current source. The input section is operably coupled to receive an input voltage signal and perform a linear transconductance thereo... | 09/12/2006 |
| 7095270 | Voltage supplying apparatus A voltage supplying apparatus is provided for supplying an output voltage to an electronic circuit. The electronic circuit includes a first voltage-drop device. The voltage supplying apparatus includes a current source for supplying a constant current, a second volt... | 08/22/2006 |
| 7091780 | Method and apparatus for operating a transmission amplifier A method and apparatus are provided for operating a transmission amplifier, particularly a mobile communications terminal, with the transmission amplifier being fed with a supply voltage and with any nonlinearity of the transmission amplifier being substantially com... | 08/15/2006 |
| 7081789 | Switched capacitor circuit compensation apparatus and method A compensated switched capacitor circuit comprises a switched capacitor circuit and a compensation circuit. The compensation circuit generates a reference current that varies under closed loop control to maintain a targeted slew rate for charging a reference capacit... | 07/25/2006 |
| 7071761 | Apparatus and method for reducing propagation delay A timer circuit is arranged for reduced propagation delay and improved stability at low supply voltages. The timer circuit includes a capacitor circuit, a voltage offset circuit, an inverter circuit, and a current source circuit. The current source circuit is arrang... | 07/04/2006 |
| 7061305 | Threshold voltage detector for process effect compensation A process variation compensation circuit and method including a threshold voltage detector circuit, a comparator network, and a circuit block. The threshold voltage detector circuit is configured with at least one transistor that is manufactured during a process. Th... | 06/13/2006 |
| 7058360 | Method and system for stabilizing the performance variation of a radio frequency device A method for stabilizing the performance variation of a primary radio frequency (RF) device is provided that includes providing a secondary RF device. An output signal is generated with the secondary RF device. The output signal is provided to a feedback circuit. A ... | 06/06/2006 |
| 7052179 | Temperature detector An integrated temperature sensor having a first PNP-type bipolar transistor diode-connected between a first terminal and a second terminal of the sensor intended to be connected to a reference supply rail; a resistive element and a second diode-connected PNP-type bi... | 05/30/2006 |
| 7049863 | Output driver circuit with reduced RF noise, reduced power consumption, and reduced load capacitance susceptibility According to an exemplary embodiment, an output driver circuit includes a pre-conditioning circuit. The output driver circuit further includes a timing control circuit coupled to an output of the pre-conditioning circuit, where the timing control circuit has a first... | 05/23/2006 |
| 7049860 | Method and circuit for controlling a resistance of a field effect transistor configured to conduct a signal with a varying voltage The present invention relates to a replica network for linearizing switched capacitor circuits. A bridge circuit with a MOSFET resistor disposed in a resistor branch of the bridge circuit is provided. A noninverting terminal of an operational amplifier is connected ... | 05/23/2006 |
