Matches 1 - 39 out of 39


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US20110062995 Low Power, Accurate Reference-Free Threshold Detector  
Embodiments of the present invention relate generally to detector circuits. Embodiments provide a low-power, accurate reference-free threshold detector. In particular, embodiments reduce leakage...
US20110241732 LOW VOLTAGE SELF CALIBRATED CMOS PEAK DETECTOR  
The present invention relates to a low-voltage self-calibrated peak detector (100). Using a two-step calibration process that compensates the offset errors introduced by the respective first,...
US20140002139 MAXIMUM VOLTAGE SELECTION CIRCUIT AND METHOD AND SUB-SELECTION CIRCUIT  
A maximum voltage selection circuit and method and a sub-selection circuit are provided. The maximum voltage selection circuit includes a peripheral signal circuit and a selection circuit with N...
US20140232435 ANALOG MINIMUM OR MAXIMUM VOLTAGE SELECTOR CIRCUIT  
A circuit includes multiple input sub-circuits coupled to a common output node. Each input sub-circuit includes a transconductance cell. A diode is coupled between the output of the...
US20130090075 Peak Detector with Extended Range  
According to one embodiment, a peak detector having extended dynamic range comprises a first differential output coupled to a supply voltage of the peak detector by a first load and coupled to...
US20110260755 Methods and Systems for Detecting Battery Presence  
A device has a battery presence detection system. A line charging pulse signal is applied to a terminal battery detection line, which is connected when the battery is present to a ground line via...
US20090058470 SELF-STOP CIRCUIT USING NONVOLATILE STORAGE ELEMENT CHARGE AMOUNT AS TIMER  
A self-stop circuit has a nonvolatile storage element (20), and a write terminal (50) and an erase circuit (30) for controlling the amount of electric charges charged in or discharged from the...
US20130181744 ANALOG PEAK HOLD CIRCUITS  
A peak hold circuit includes an input node configured to receive an input waveform, a peak hold component coupled to the input node and configured to sample and hold a peak value of the input...
US20100007384 COMBINATION AC/DC PEAK DETECTOR AND SIGNAL TYPE DISCRIMINATOR  
A device and method for current detecting and discriminating is disclosed. The device includes a differential receiver configured to receive a current input, a positive-side Schmitt trigger in...
US20090015295 Envelope detector having reduced harmonic interference  
A system for detecting the envelope of a signal is provided. The system includes a first envelope detector generating a first envelope signal of an input RF signal, such as an envelope signal...
US20150123711 OPTIMIZED PEAK DETECTOR for the AGC LOOP IN A DIGITAL RADIO RECEIVER  
A method of peak detection applicable to complex in-phase and quadrature phase signals in a digital radio receiver where the incoming signal is divided into a plurality of frames. Each frame is...
US20080074153 LINE FAULT DETECTION CIRCUIT  
A line trouble detecting circuit comprises a peak detecting circuit, a first comparison circuit, a bottom detecting circuit, a bottom detecting circuit, a second comparison circuit, and a signal...
US20080116941 PEAK SIGNAL DETECTOR  
A matched filter and peak detector identify peaks of a received signal. The peak detector may detect peaks during a fixed or adjustable time window. The peaks may be used as a preliminary decision...
US20140077785 METHOD AND DEVICE FOR MAXIMUM POWER POINT TRACKING OF PHOTOVOLTAIC MODULE SYSTEMS  
A method of maximum power point tracking for a photovoltaic module system is disclosed. The photovoltaic module system may comprise a photovoltaic module array comprising a plurality of identical...
US20080012602 DEVICE FOR DETECTING THE PEAK VALUE OF A SIGNAL  
A device for detecting the peak value of a signal with crest factor not known a priori includes a pair of peak detectors, each of which includes a rectifier element and a discharge-current...
US20090072865 Peak Detector with Active Ripple Suppression  
A peak detector circuit that responds rapidly to power transients, and yet is able to avoid interpreting data fluctuations as power transients by generating dual peak signals from an amplifier's...
US20090322379 PEAK HOLD CIRCUIT  
A peak hold circuit includes an input transistor, which is provided with an input signal, and a first hold capacitor, which holds a maximum or minimum value of the input signal. A correction...
US20130162297 PEAK VOLTAGE DETECTOR AND RELATED METHOD OF GENERATING AN ENVELOPE VOLTAGE  
A peak detector circuit receives an oscillating power supply signal. A capacitor is selectably coupled to the signal and charged to a value corresponding to a peak value of the signal. A switch is...
US20130162296 PEAK VOLTAGE DETECTOR AND RELATED METHOD OF GENERATING AN ENVELOPE VOLTAGE  
A peak detector circuit receives an oscillating power supply signal. A capacitor is selectably coupled to the signal and charged to a value corresponding to a peak value of the signal. A switch is...
US20110050285 HIGH LINEAR FAST PEAK DETECTOR  
A high linear fast peak detector having a variable bias current and/or a variable bias voltage is described. In an exemplary design, the peak detector includes a transistor, a variable current...
US20100202506 CIRCUITS AND METHODS FOR DFE WITH REDUCED AREA AND POWER CONSUMPTION  
A 1/n-rate decision feedback equalizer (DFE) and method include a plurality of branches. Each branch includes a summer circuit configured to add a feedback signal to a received input, and a latch...
US20080143435 Demodulator  
A demodulator for demodulating a modulated signal has a peak detector (206) with an input (100) coupled to receive the modulated signal and an output (207) to supply a peak detector output signal....
US20060061394 Quasi-peak detector with inductor  
A quasi-peak detector (1) for detecting the weighted peak value (quasi peak) of the envelope of a signal (Sin) comprises a digital charging and discharging filter (11) which simulates the process...
US20110115525 DEVICE FOR DETECTING THE PEAK VALUE OF A SIGNAL  
A device for detecting the peak value of a signal with crest factor not known a priori includes a pair of peak detectors, each of which includes a rectifier element and a discharge-current...
US20070030033 Fast peak detector circuit  
A peak detector circuit for video signals is disclosed. The peak detector circuit comprises a buffer operational amplifier, a strap diode and feedback resistor in order to bootstrap an operational...
US20100052734 SYSTEM FOR PROVIDING LARGE RC TIME CONSTANTS IN INTEGRATED CIRCUITS  
A peak detector for implementation in a monolithic integrated circuit includes one or more Miller capacitors and one or more transistors for selectively setting large RC time constant values only...
US20080164913 Peak-hold circuit and signal strength indicator using the peak-hold circuit  
A peak-hold circuit includes a differential amplifier having first and second transistors as a differential pair, the first transistor receiving an input signal at its gate, a third transistor...
US20120119789 Peak Detector Extension System  
The different illustrative embodiments provide a method and apparatus for managing peak detector circuits. A first number of voltages for a first number of signals detected by a peak detector...
US20090289664 Signal detecting apparatus, signal receiving apparatus, and signal detecting method  
A signal detecting apparatus detects a signal received based on a current received and includes a detecting unit that detects, in the current received, a peak equal to or higher than a threshold...
US20090134913 SIGNAL COMPARISON CIRCUIT  
A signal comparison circuit is provided. The signal comparison circuit includes a first amplifier, a second amplifier, a peak detector, and a comparator. The first amplifier is a zero-peaking...
US20100073033 PEAK DETECTOR  
A peak detector capable of rapidly detecting a peak value of a signal is provided. The peak detector includes first and second operational amplifiers and an auxiliary current source to detect two...
US20100271073 QUARTER CYCLE WAVEFORM DETECTOR  
A method for extracting peak information from an amplitude varying sinusoidal waveform output from a sensor is provided. The method includes gating a counter with a keying signal having a...
US20080024174 Circuit and method for providing a fail-safe differential receiver  
A fail-safe differential receiver having a differential amplifier adapted to receive first and second differential input signals and generate a differential voltage. A peak detector is coupled to...
US20120319776 DC VOLTAGE ERROR PROTECTION CIRCUIT  
This document discusses among other things apparatus and methods for protecting circuit elements from harmful voltages. In an example, an apparatus can include an amplifier configured to receive...
US20150256166 VOLTAGE SELECTION CIRCUIT AND SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE HAVING THE SAME  
The highest voltage of a power supply voltage, a ground potential, and a signal voltage is output as a selection voltage from a terminal on the output side. In this case, terminals on the input...
US20050248370 DATA TRANSFERRING METHOD  
A data transferring method for the input interface of a liquid crystal display. In the conventional reduced swing differential signal (RSDS) data transferring method, a pair of data lines can...
US20110267110 Symmetrical Electrical Physical Layer Activity Detector  
A low-current differential signal activity detector circuit may be configured to reject large common mode signals on differential input lines, while still detecting smaller differential signals...
US20160169943 SIGNAL ANALYSIS CIRCUIT AND SIGNAL ANALYSIS METHOD THEREOF  
A signal analysis circuit and a signal analysis method thereof are disclosed. The signal analysis circuit includes a peak detector, a subtraction amplifying unit, and a compare unit. The peak...
US20160118970 PEAK DETECTOR USING CHARGE PUMP AND BURST-MODE TRANSIMPEDANCE AMPLIFIER  
A peak detector using a charge pump is provided. The peak detector includes a differential amplifier configured to receive an input signal to be detected through an input node and amplify the...

Matches 1 - 39 out of 39