Matches 1 - 43 out of 43


Match Document Document Title
US20130063191 Methods and Circuits for Duty-Cycle Correction  
A duty-cycle correction circuit calibrates the duty cycle of a periodic input signal. The correction circuit includes a state machine that samples the input signal using a sample signal of a...
US20080042710 SELF-OSCILLATING DRIVER WITH SOFT START CIRCUIT  
A method for providing a soft start operation for a transistor driver circuit, comprising providing a saw tooth waveform from an oscillator at a given frequency; comparing the saw tooth waveform...
US20080143408 PULSE WIDTH MODULATOR  
In accordance with some embodiments, a pulse width modulator having a comparator with an applied adjustable waveform to generate a bit stream with a controllably adjustable duty cycle is provided.
US20070024338 Circuitry and methods for programmably adjusting the duty cycles of serial data signals  
Programmable duty cycle adjustment circuitry may be provided to correct for duty cycle distortion in serial data transmission systems. Duty cycle adjustment may be performed prior to transmitting...
US20060006915 Signal slew rate control for image sensors  
An imager with a slew rate control circuit that uses multiple digital control signals to control the rising and falling slew rates of boosted signals, such as transistor gate signals, and/or...
US20050146366 High-resolution digital pulse width modulator and method for generating a high-resolution pulse width modulated signal  
High-resolution digital pulse width modulator having a digital pulse width modulator unit for receiving a clock signal and for receiving first bits of a digital control signal in order to generate...
US20070159224 Duty-cycle correction circuit for differential clocking  
A completely differential approach to correcting duty-cycle distortions of a differential clock signal propagating through a differential amplifier. A duty-cycle distortion correction (DCDC)...
US20150358002 PULSE WIDTH MODULATOR FOR USE IN AVIATION  
A pulse width modulator for use in avionics is described. This comprises an input operable to receive a direct current input and an output switch controlled to provide a pulse train having a duty...
US20090058483 DUTY CYCLE CORRECTING CIRCUIT AND METHOD  
A duty cycle correcting circuit includes a duty detector that detects a duty ratio of an output clock signal to output a duty detection signal, a variable delay unit that outputs a delay clock...
US20060028257 System and method for over-temperature protection sensing employing MOSFET on-resistance Rds_on  
A power supply controller is disclosed that uses power MOSFET on-resistance Rds_on for over-temperature protection. The parameter, on-resistance Rds_on, functions as a temperature dependent...
US20090206900 DUTY CYCLE CORRECTION CIRCUIT AND METHOD FOR CORRECTING DUTY CYCLE  
A duty cycle correction circuit capable of reducing current consumption and that includes a back-bias voltage supply circuit for supplying back-bias voltages, wherein a duty cycle of an input...
US20050242858 Apparatus and method for synchronized distributed pulse width modulation waveforms in microprocessor and digital signal processing devices  
A pulse width modulation module provides a first pulse width modulation signal and a second pulse width modulation signal, the two pulse width modulation signals having the same period, but...
US20090128206 Apparatus and Method for Obtaining Desired Phase Locked Loop Duty Cycle without Pre-Scaler  
An apparatus and method for obtaining a desired phase locked loop (PLL) duty cycle without a pre-scaler are provided. The PLL circuit of the illustrative embodiments utilizes two separate loops...
US20060181320 Circuit for optimizing the duty cycle of a received clock transmitted over a transmission line  
Data signals are transmitted over transmission lines in groups to receivers in a receiving IC. Each group of data signals has a differential clock used in synchronizing and detecting the data...
US20100277214 DEVICE AND METHOD FOR SIGNAL GENERATION  
A signal generator and a method thereof for generating signals are provided. The signal generator includes a pulse width signal generation module and a signal generating module. The pulse width...
US20140125391 DUTY CYCLE CORRECTION APPARATUS  
Disclosed is a duty cycle correction apparatus. The apparatus of the present invention adjusts signal widths of an input signal, averages the widths of the signal, and inverts the signal, then...
US20080164926 DUTY CYCLE CORRECTION CIRCUIT EMPLOYING SAMPLE AND HOLD CHARGE PUMPING METHOD  
A duty cycle correction circuit employing a sample and hold charge pumping method is disclosed. The duty cycle correction circuit includes a duty regulator which generates an output signal by...
US20130249543 Correction Circuit for Output Duty of Hall Element, Hall Sensor and Method of Correcting Output Duty of Hall Element  
Disclosed herein are a correction circuit for output duty of a Hall element, a Hall sensor, and a method of correcting the output duty of the Hall element. According to an exemplary embodiment of...
US20140002156 DUTY CYCLE CORRECTION WITHIN AN INTEGRATED CIRCUIT  
An integrated circuit 2 operates using a digital signal having a duty cycle. Duty cycle correction circuitry 26, 28, 30 operate under control of digital correction values which adjust the duty...
US20140219401 RFI MITIGATION VIA DUTY CYCLE CONTROL  
Briefly, in accordance with one or more embodiments, a harmonic of a clock signal is determined that is expected to provide interference with an input of a radio-frequency (RF) receiver based at...
US20060114042 Duty cycle correction circuit  
There is provided a compact duty cycle correction circuit including minimal components for generating a signal with a 50% duty cycle. The duty cycle correction circuit includes a storage element...
US20080169855 Apparatus and method for correcting duty cycle of clock signal  
An apparatus for correcting a duty cycle of an input clock signal to generate a digitally corrected clock signal includes a duty cycle detector, an analog duty cycle correcting unit, and a digital...
US20110163789 DUTY CYCLE CORRECTION CIRCUIT AND METHOD FOR CORRECTING DUTY CYCLE AND SEMICONDUCTOR DEVICE INCLUDING THE DUTY CYCLE CORRECTION CIRCUIT  
Provided are a duty cycle correction circuit and method for correcting a duty cycle, and a semiconductor device including the duty cycle correction circuit. The duty cycle correction circuit...
US20160226476 DUTY CYCLE DETECTION CIRCUIT AND DUTY CYCLE CORRECTION CIRCUIT INCLUDING THE SAME  
A duty cycle detection circuit includes a reset unit suitable for resetting a first capacitor and a second capacitor based on a reset signal, a first charging/discharging unit suitable for...
US20080297498 LIGHT-SOURCE DRIVING DEVICE AND ITS SIGNAL TRANSFORMING CIRCUIT AND PULSE GENERATING CIRCUIT  
A light-source driving device includes a pulse controlling circuit, a signal adjusting circuit and a driving circuit. The pulse controlling circuit generates a first controlling signal and a...
US20060071697 Pwm generator  
A PWM generator (100; 200; 300; 400) is described, which does not require a separate saw-tooth generator and a separator for generating a modulated pulsed signal. According to the invention, the...
US20050046457 Method and system for power supply control using a fixed-frequency pulse width modulation control circuit  
A voltage divider splits the input voltage to be regulated between the input voltage node and the dead time pin of a TL494 voltage regulator. Thus, the duty cycle limit varies in inverse...
US20100052544 PWM CONTROLLING CIRCUIT, APPARATUS OF CONTROLLING BACKLIGHT COMPRISING THE SAME, AND APPARATUS OF DRIVING BACKLIGHT COMPRISING THE APPARATUS OF CONTROLLING BACKLIGHT  
A pulse width modulation (PWM) control circuit is disclosed. The PWM control circuit includes an adder summing up an input signal and a conversion signal to generate a summation signal, a...
US20150097605 DUTY CORRECTION CIRCUIT AND METHOD  
A duty correction circuit includes a duty ratio control unit suitable for generating an output clock by adjusting the duty ratio of an input clock, a code generation unit suitable for detecting a...
US20140266361 DUTY CYCLE CORRECTION CIRCUIT  
In an embodiment, a duty cycle correction circuit comprises a first set of inverters connected in series, a first filter, a first feedback circuit and a second feedback circuit. A first inverter...
US20080231335 CIRCUIT TO REDUCE DUTY CYCLE DISTORTION  
A method and a circuit for correcting duty cycle distortion. A delay insertion gate corrects data dependent delay distortion that is generated by CMOS flip-flop circuits. The delay insertion gate...
US20100188126 Voltage Controlled Duty Cycle and Non-Overlapping Clock Generation Implementation  
A method, system and apparatus for controlling the duty cycle of a clock to optimize duty cycle correction and non over-lapping clock generation. The first system generates a reference voltage and...
US20070285139 Amplifier Circuit and Method for Correcting the Duty Ratio of a Differential Clock Signal  
An amplifier circuit is configured to correct the duty ratio of a differential clock signal to a desired value of 50% via a differential amplifier including a MOS transistor pair. The clock signal...
US20090128208 APPARATUS AND METHOD FOR DETECTING DUTY RATIO OF SIGNALS IN SEMICONDUCTOR DEVICE CIRCUIT  
Apparatus for detecting duty ratio of signals in semiconductor device circuit includes a circuit for detecting a duty ratio of signals in a semiconductor device includes a comparing unit which...
US20080197903 Clock Pulse Duty Cycle Control Circuit for a Clock Fanout Chip  
A clock pulse duty cycle control circuit for receiving an input clock signal and for providing an output clock signal having a desired duty cycle. An error signal generator includes a differential...
US20060238228 Cascade system capable of restraining duty cycle offsets  
The invention relates to a cascade system capable of restraining duty cycle offsets. The cascade system receives an input signal with an input duty cycle. The cascade system comprises a plurality...
US20090160515 Auto-tracking clock circuitry  
A system and method for generating a clock signal is disclosed. In various embodiments of the invention disclosed herein, a global clock signal is generated and provided as an input to local clock...
US20070080731 Duty cycle corrector  
A duty cycle corrector includes a first controllable delay configured to delay a first signal to provide a second signal, a second controllable delay configured to delay the second signal to...
US20170077913 PULSE WIDTH MODULATION CIRCUIT  
The present invention discloses a pulse width modulation circuit, comprising: an input circuit, inputting a voltage through an input end; a voltage difference calculation circuit, and the voltage...
US20080036552 Method and Circuit Arrangement for the Production of an Output Signal of a Predefined Average Size From a Relatively Larger Input Signal by Pulse-Width Modulated Connection of Said Input Signal  
The invention introduces a method for the production of an output signal having a predefined average size from a relatively larger input signal by pulse-width modulated connection of the input...
US20060214711 Programmable pattern generator for digital power supply controller  
A method is disclosed for programming a pattern generator wherein a provided graphical user interface enables the manipulation of a plurality of outputs of a digital pulse width modulator....
US20090102529 SHIFTING INACTIVE CLOCK EDGE FOR NOISE REDUCTION  
An integrated circuit and a design structure are disclosed. An integrated circuit may comprise: multiple clocked elements; a clock signal source providing clock signals to the multiple clocked...
US20080111602 Cycle modulation circuit capable of limiting peak voltage  
A cycle modulation circuit capable of limiting peak voltage to provide a pulse width control signal to a rear end power driving unit includes a comparison unit, an input voltage source and a...

Matches 1 - 43 out of 43