Matches 1 - 17 out of 17


Match Document Document Title
US20150054553 PULSE WIDTH MODULATION CIRCUIT AND VOLTAGE-FEEDBACK CLASS-D AMPLIFIER CIRCUIT  
The frequency characteristic of a voltage-feedback class-D amplifier circuit for driving an output load is improved. A triangular-wave correction circuit which compensates a gradient of a...
US20110316508 Digital Hybrid V2 Control for Buck Converters  
Stabilization of a switching voltage regulator employing V2 control against ripple oscillation instability when the equivalent series resistance (ESR) of an output capacitor is small is provided...
US20150076325 RAMP GENERATOR CIRCUIT AND SOLID-STATE IMAGING DEVICE  
A ramp generator circuit includes: a reference signal generator circuit which generates a ramp waveform having a slope obtained by multiplication using a power of 2 according to a value of a...
US20080007308 Circuit for discharging an electrical load, power output stage comprising such a discharge circuit for the control of plasma display cells, and related system and method  
An embodiment of a discharge circuit comprises an output circuit with one output connected to an electrical load to absorb a discharge current given by the load when a logic signal commands a...
US20130063190 TRIANGULAR WAVEFORM GENERATOR HAVING DIFFERENTIAL OUTPUT SYNCHRONIZED WITH EXTERNAL CLOCK SIGNAL  
One embodiment of the present invention relates to a waveform generator that includes a first pair of capacitors, a second pair of capacitors, an op amp and control logic. The op amp has inputs...
US20090174442 Ramp generator and image sensor including the same  
A ramp signal generator is provided. The ramp signal generator may include a ramp signal generation unit configured to generate a ramp signal based on an externally-supplied driving voltage and a...
US20110291709 APPARATUS AND METHOD FOR GENERATING RAMP WAVEFORM  
A ramp waveform generating apparatus generates a reference waveform by using an input signal and generates a driving control signal for turning on and off a switch having a first terminal...
US20150022249 METHOD AND APPARATUS FOR GENERATING A RAMP SIGNAL  
An apparatus and method for generating a ramp signal includes applying a constant reference voltage to a reference capacitor and controlling charging or discharging of the reference capacitor with...
US20100052742 LIMIT SIGNAL GENERATOR, PWM CONTROL CIRCUIT, AND PWM CONTROL METHOD THEREOF  
A PWM control circuit is disclosed. An oscillator generates a triangular signal, received by a limit signal generator to produce a limit signal accordingly. Corresponding to a rising period of the...
US20090134921 SLOPE COMPENSATION METHOD AND CIRCUIT FOR A PEAK CURRENT CONTROL MODE POWER CONVERTER CIRCUIT  
A slope compensation method and circuit for a peak current control mode power converter circuit is provided. Since the power converter circuit has a synchronous signal of a driven signal of...
US20100164563 SLOPE COMPENSATION CIRCUIT  
A slope compensation circuit includes apparatus includes an oscillator for generating a first clock signal having a reference frequency, a ramp signal generator for generating a ramp signal having...
US20110006817 TRIANGULAR WAVE GENERATOR, SSCG UTILIZING THE TRIANGULAR WAVE GENERATOR, AND RELATED METHOD THEREOF  
A triangular wave generator, comprising: a first frequency divider, for utilizing a first positive integer to divide a first frequency of a first periodical signal to generate a first...
US20140117959 HIGH RESOLUTION CONTROL FOR A MULTIMODE SMPS CONVERTER AND HIGH RESOLUTION SLOPE GENERATOR  
In various embodiments a controller for controlling the operation of a switched mode power supply is provided, the controller comprising: a first signal source configured to provide a first set of...
US20120001055 RAMP SIGNAL GENERATOR AND IMAGE SENSOR  
Disclosed are a ramp signal generator and an image sensor. The ramp signal generator includes: a comparator comparing a first bias voltage input to a first input terminal and a second bias voltage...
US20160105164 APPARATUS FOR GENERATING SWITCHING SIGNAL FOR ANALOG CONTROLLER  
An apparatus for generating a switching signal for an analog controller includes: a voltage setting unit configured to set voltages Vref_high and Vref_low of a triangular wave; a period adjuster...
US20160079969 RANDOM SAMPLER ADAPTED TO ONE-DIMENSION SLOW-VARYING SIGNAL  
A sampler adapted to a one-dimension slow-varying signal, including: a signal preprocessing unit configured to preprocess an input signal; a slope-controllable sawtooth wave signal generating unit...
US20160013778 CIRCUITS, DEVICES AND METHODS FOR ACHIEVING SMALL DUTY CYCLES IN SWITCHING REGULATORS  
Circuits, devices and methods for achieving small duty cycles in switching regulators. In some embodiments, a method for generating a low duty cycle output voltage can include setting a ramp...

Matches 1 - 17 out of 17