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| Number | Title | Issue Date |
| 8013638 | Circuit for the generation of pulse-width modulation signals, particularly for a satellite reception system An embodiment of regulation and shaping circuit includes a first input terminal for receiving a first input signal with a first frequency; a second input terminal for receiving a second input signal with a second frequency higher than the first frequency; a first ci... | 09/06/2011 |
| 7977980 | Time-to-amplitude converter component A time-to-amplitude component having an integrated designed configured to measure a time difference between a start signal and a stop signal includes a first time-to-amplitude converter having a delay chain, a resistor network, a capacitor configured to be chargeabl... | 07/12/2011 |
| 7576573 | Wave shaping output driver to adjust slew rate and/or pre-emphasis of an output signal Integrated circuit, system, method and machine readable media embodiments adjust a slew rate and/or a transmit pre-emphasis of an output signal at selected phases during a bit time. A timing circuit provides a plurality of delayed data signals in response to a clock... | 08/18/2009 |
| 7424046 | Spread spectrum clock signal generation system and method A system and method for generating a clock signal having spread spectrum modulation. The method involves generating a clock signal by generating edge positions for edges of the clock signal from a digital representation of a timing for each edge to impart spread spe... | 09/09/2008 |
| 7423460 | Sine wave shaper with very low total harmonic distortion Apparatus (20) for generating a sine shaped output signal at an output (Sn, Sp). The apparatus (20) comprises a first transistors (M1) and a second transistor (M2) being arranged as differential pair (22). The differential pair ( | 09/09/2008 |
| 7408392 | PWM-to-voltage converter circuit and method A converter circuit and method for converting a pulse-width modulated input signal into a voltage output signal eliminates an offset due to component mismatch. The converter circuit includes at least two channels. Each channel has an operational amplifier with diffe... | 08/05/2008 |
| 7405255 | Solutions and dispersions of organic semiconductors The present invention relates to solutions and/or dispersions of organic semiconductors in a solvent mixture of at least two different organic solvents, characterized in that A. Each of the solvents on its own has a boiling point of below 200° C. and a... | 07/29/2008 |
| 7368975 | Methods and apparatus for reduced hardware multiple variable voltage generator A circuit is described that generates multiple voltages each having a common reference point. The circuit uses a feedback control loop to generate a center voltage, a first voltage generator, and a second voltage generator. The first voltage generator generates a fi... | 05/06/2008 |
| 7368923 | Time interval trimmed differential capacitance sensor An apparatus and method for operation of a differential capacitance transducer, including generating substantially opposing polarity excitation drive signals by operation of a pair of drive signal generators, applying the excitation drive signals to a pair of sense ... | 05/06/2008 |
| 7365577 | Noise waveform generator with spectrum control A waveform generator for generating a desired waveform is provided, including a noise kernel configured to store a plurality of samples from a predetermined waveform, the plurality of samples being assigned to a plurality of memory blocks; and an address arrangement... | 04/29/2008 |
| 7349489 | Pulse shaping filter with minimal intersymbol interference An improved shaping filter (R) is provided in a radio frequency communication system. The filter response of the shaping filter (R) is generated by constraining the filter coefficients in their adaptation at the optimal sampling point and not constraining them at th... | 03/25/2008 |
| 7320081 | Clock-signal generation device, communication device, and semiconductor device A clock-signal generation device which changes an average frequency of a clock signal independently of a reference clock signal. A reference-clock-signal generation circuit generates a reference clock signal. A frequency-division circuit divides the frequency of the... | 01/15/2008 |
| 7315185 | Low voltage differential signal receiver and methods of calibrating a termination resistance of a low voltage differential signal receiver A low voltage differential signal (LVDS) receiver includes a first receiving unit configured to receive a reference voltage and to responsively generate a first differential signal, and a second receiving unit configured to receive a voltage developed across a varia... | 01/01/2008 |
| 7290155 | Method, system, and apparatus for dynamically configuring the operating point utilized for thermal management of an integrated circuit Methods and circuits to define a thermal operating mode for a integrated device by defining an operating voltage and a frequency range. ... | 10/30/2007 |
| 7282946 | Delay-insensitive data transfer circuit using current-mode multiple-valued logic The present invention relates to a delay-insensitive DI data transfer circuit based on a current-mode multiple-valued logic for transferring data regardless of a delay time of transmission according to a length of wire. The delay-insensitive data transfer cir... | 10/16/2007 |
| 7282970 | Device and method for generating one-shot bipolar waveform In the present invention, a device and method for generating one-shot bipolar waveforms are provided. The provided device can generate bipolar sawtooth waves, bipolar sinusoidal waves and bipolar square waves by employing a division circuit, an one-shot circuit, an ... | 10/16/2007 |
| 7279941 | Voltage-frequency conversion apparatus and method of changing reference voltage thereof A voltage-frequency conversion apparatus which comprises a variable current source for charging a capacitor; a current amount adjustment circuit which has a first resistor for applying a first voltage and a second resistor for applying a second voltage and adjusts t... | 10/09/2007 |
| 7277685 | Automatic gain control of multiple antenna OFDM receiver A method includes amplifying the plurality of received signals, generating a plurality of time domain samples of the amplified signals with at least an analog-to-digital converter (ADC), determining at least a candidate power according to root-mean-square (RMS) powe... | 10/02/2007 |
| 7274523 | Read head preamplifier with thermal asperity transient control A preamplifier for correcting for thermal asperity transients in disk drives using magneto resistive read heads. The preamplifier has an input gain stage receiving a signal from the read head and an output buffer outputting a reader output to a read channel that is ... | 09/25/2007 |
| 7272523 | Trimming for accurate reference voltage A method for trimming reference voltage circuitry includes defining a desired target reference voltage for a set of at least one die. At least two reference voltages are measured for at least two different trim settings associated with a given die of the at least on... | 09/18/2007 |
| 7268606 | High-frequency signal switching An electronic signal processing apparatus has a signal switch with a first and a second transistor of normally-on type, having main current channels coupled between an internal node and a switch input and output, respectively. A diode provides a switchable signal co... | 09/11/2007 |
| 7262640 | Voltage-frequency conversion apparatus A voltage-frequency conversion apparatus which has a variable current source for charging a capacitor; a current amount adjustment unit that adjusts a current amount of the variable current source for charging the capacitor to be corresponding to a differential volt... | 08/28/2007 |
| 7256623 | Frequency programmable feed-forward oscillator and triangle wave generator A frequency programmable feed forward oscillator and triangular wave generator is disclosed having a first input for receiving an input voltage and a second input for receiving an input current. Circuitry within the device responsive to the input voltage scales the ... | 08/14/2007 |
| 7250806 | Apparatus and method for generating an output signal that tracks the temperature coefficient of a light source An apparatus and method for generating an output signal that tracks the temperature coefficient of a light source are provided. A light source temperature coefficient tracking mechanism (e.g., a current source circuit) that generates an output signal, which tracks t... | 07/31/2007 |
| 7248080 | Power supply switching at circuit block level to reduce integrated circuit input leakage currents Leakage currents at IC inputs can be avoided while the IC is disabled by providing a switch that is responsive to deactivation of an enable input to isolate functional circuitry of the IC from one of the power supply nodes of the IC. This eliminates power supply cur... | 07/24/2007 |
| 7231266 | Digital control device and program A digital control device for tracking a sine wave according to the present invention has a compensator, a control object and a feedback gain. An input into the compensator is a signal obtained by subtracting a control quantity from a reference value. An input into t... | 06/12/2007 |
| 7225349 | Power supply voltage droop compensated clock modulation for microprocessors A voltage source droop compensated clock modulation for microprocessors is described. Specifically, the circuit reduces the clock frequency if a voltage source droop is detected. ... | 05/29/2007 |
| 7218162 | Semiconductor integrated circuit having output circuit A semiconductor integrated circuit that has an output circuit in which an output-stage operating voltage lower than a power supply voltage is applied to an output stage is provided. Even when the power supply voltage is lowered, a sufficient output signal amplitude ... | 05/15/2007 |
| 7215161 | Wave shaping output driver to adjust slew rate and/or pre-emphasis of an output signal Integrated circuit, system, method and machine readable media embodiments adjust a slew rate and/or a transmit pre-emphasis of an output signal at selected phases during a bit time. A timing circuit provides a plurality of delayed data signals in response to a clock... | 05/08/2007 |
| 7215162 | Start signal outputting circuit A start signal outputting circuit according to the invention has a differential RF/DC convertor part 100 for converting a high frequency power (RF) into a d.c. potential (DC). The RF/DC convertor part 100 is formed by two transistors QRD, Q | 05/08/2007 |
| 7215040 | Half-bridge converter with zero-voltage switching and snubber A method and apparatus for digital power processing operating with zero-voltage switching, which enables zero-voltage switching under the condition that the frequencies are not constant, or the load currents are different. Two switching components are connected with... | 05/08/2007 |
| 7216281 | Format control circuit and semiconductor test device There is provided a semiconductor test apparatus which assuredly detects an inhibited edge only which affects a test pattern and truly requires an error warning. This semiconductor test apparatus includes: a real time selector which receives a plurality of sets of w... | 05/08/2007 |
| 7215169 | Current-controlled CMOS logic family Various circuit techniques for implementing ultra high speed circuits use current-controlled CMOS (C3MOS) logic fabricated in conventional CMOS process technology. An entire family of logic elements including inverter/buffers, level shifters, NAND, NOR, X... | 05/08/2007 |
| 7209937 | Method and apparatus for generation of arbitrary mono-cycle waveforms A waveform generator digitally synthesizes a waveform having a plurality of successive portions that can each be as short as one mono-cycle of the waveform, or a part of one mono-cycle. The waveform generator changes at least one of a frequency, a phase and an ampli... | 04/24/2007 |
| 7205808 | Power supply switching circuit and method A power supply switching circuit includes an input terminal (2) for receiving a signal from a motherboard, an output terminal (4) to output a control signal, a first Bipolar Junction Transistor (BJT) (5), and a second BJT (7). A base of t... | 04/17/2007 |
| 7202709 | Waveform output device and drive device A waveform output device includes a data reception unit which receives at least a part of a waveform pattern generation program transmitted from an external device connected to the data reception unit through a data line, the waveform pattern generation program bein... | 04/10/2007 |
| 7199622 | Interleaving control type inverter An interleaving control type inverter includes a waveform generator to generate a predetermined waveform; a plurality of first signal generators to receive the predetermined waveform and a phase voltage to generate a first control signal and a second control signal ... | 04/03/2007 |
| 7187917 | Current interpolation in multi-phase local oscillator for use with harmonic rejection mixer A circuit provides a reduced harmonic content output signal OUTA and/or OUTB that is modulated according to an input signal 231. The circuit has an oscillator circuit 210 and a harmonic rejection mixer (HRM) 230. The oscillator circuit 210 | 03/06/2007 |
| 7176735 | Wave-shaping circuit In a wave-shaping circuit, a charging switching element in series with an inductor is switched, a capacitor is charged with a back electromotive force generated by the inductor, a discharging switching element in series with a discharge resistor is switched, and the... | 02/13/2007 |
| 7173250 | Drift-type detector with limited noise level A drift detector produces an indication of an occurred hit of a quantum in the detector element. For neutralising accumulated charge in the detector element, indications of occurred hits are used to trigger pulses of deliberately increased neutralisation current int... | 02/06/2007 |
