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8138802 |
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...
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8120209 |
Voltage sensing device for an individual cell of a group of battery cells
A voltage sensing device with which high-precision voltage sensing is possible without the need to obtain a unique correction constant for each device. A pair of voltage input nodes NCk and NCk-1...
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8063667 |
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...
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8044686 |
Comparator circuit for generating binarized data
A comparator circuit according to an embodiment of the present invention includes a comparator configured to compare an input signal voltage with a reference voltage obtained by smoothing the input...
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8026743 |
Envelope detector for high speed applications
An envelope detecting circuit is provided. The envelope detecting circuit comprises a source degeneration circuit that amplifies an input differential signal, a differential gain stage that...
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8022734 |
Low current power detection circuit providing window comparator functionality
A power detection system is disclosed that includes a detector circuit and a comparator circuit. The detector circuit includes a first transistor, a second transistor that is not identical to the...
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7990182 |
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...
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7973568 |
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...
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7944246 |
Signal detecting circuit
A full-wave rectifier circuit receives complementary signals and produces a current corresponding to an added value of differential signals at different levels. A voltage comparator performs a...
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7911236 |
Detection circuit and detection method
A detection circuit includes a bias circuit configured to generate a first bias voltage and a second bias voltage. The detection circuit further includes a storage device configured to store a...
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7898300 |
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...
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7880508 |
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...
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7880509 |
Wired signal receiving apparatus
A wired signal receiving apparatus including a signal receiver, a signal peak detector, and a signal comparator is disclosed. The signal receiver includes an operation current detecting circuit for...
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7863939 |
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...
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7863940 |
Envelope detector for high speed applications
An envelope detecting circuit is provided. The envelope detecting circuit comprises a source degeneration circuit that amplifies an input differential signal, a differential gain stage that...
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7839182 |
Detector of noise peaks in the power supply of an integrated circuit
A circuit for detecting noise peaks on the power supply of an electronic circuit, including at least a first transistor having its control terminal connected to a terminal of application of a first...
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7825697 |
Signal detection circuit with deglitch and method thereof
A signal detection circuit is used for detecting signal squelch of a differential input signal to generate a corresponding digital output signal. The signal detection circuit includes: a reference...
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7821273 |
Circuit for detecting the impedance of a load
The invention refers to a circuit and a method for detecting the impedance of a load, whereby the circuit and the method can be used by an impedance matching circuit. Impedance matching circuits...
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7772894 |
Method for providing a power on reset signal with a quadratic current compared to an exponential current
Aspects of the present invention include a method, apparatus and device for generating a power on reset (POR) signal in relation to the crossing point of two currents wherein at least one current...
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7746150 |
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...
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7738565 |
Peak detector
A peak detector provides repeatable and accurate measurements of the signal amplitude for variable frequencies of input signals. The peak detector includes a pulse edge generator circuit that...
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7737731 |
High data rate envelope detector for high speed optical storage application
To detect the peaks level of an incoming signal, the difference between the voltage level of the incoming signal and a voltage developed across a capacitor is amplified. The amplified difference...
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7729453 |
System and method for fast dynamic adjustment of slicing level for burst mode optical receivers
Systems and methods for determining a slicing level which is used as a threshold to determine whether timeslots of an incoming data signal contain ones or zeros. The method of one embodiment...
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7719322 |
Semiconductor device having differential signal detection circuit for entry into mode other than normal operation
A semiconductor device includes a differential circuit for receiving a differential signal at an input terminal and a detection circuit for outputting a detection signal when a predetermined signal...
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7701259 |
Method and system for wide range amplitude detection
Aspects of a method and system for wide range amplitude detection are provided. In this regard, many electronic systems may require amplitude detection of a variety of signals with widely varying...
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7683676 |
Signal-level detecting apparatus, optical receiver, and signal-level detecting method
An amplifying unit performs a differential amplification with a highest level or a lowest level of an input signal and a previous input signal. A semiconductor element transfers a signal level...
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7679407 |
Method and apparatus for providing peak detection circuitry for data communication systems
Method and apparatus for providing a peak detection circuit comprising a diode including an input terminal and an output terminal the input terminal of the diode configured to receive an input...
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7598776 |
Programming circuit with feedback circuit
An exemplary programming circuit (40) includes an input terminal (42) configured for receiving an external high voltage signal, a driving circuit (20), a switch circuit (43) connected between the...
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7596460 |
System and method for calculating a voltage spike value
A method for calculating a voltage spike value includes: predefining calculating requirements; inputting parameter values; analyzing whether inputted parameter values match with the calculating...
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7586338 |
Increasing the availability and redundancy of analog current outputs
There is described a method for increasing an availability and a redundancy of an analog current output as well as an analog current output with increased availability and redundancy. To improve...
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7570715 |
Digital signal receiving circuit
A delayed peak detector detects a peak level of an input signal IN at timing lagged behind a peak detector, and a peak difference detector detects a peak difference PLD between a delayed peak level...
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7560958 |
Low power comparator with fast propagation delay
A direct relationship exists between an integrated comparator's propagation delay and the input differential pair's bias current and overdrive voltage. A new method using a pulsed bias scheme for...
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7557633 |
High speed analog envelope detector
A high speed analog transmission envelope (data-validity) detector for detecting the validity or invalidity of received data by generating (and comparing) first through fourth level-shifted signals...
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7535262 |
High voltage level shifting by capacitive coupling
A circuit configuration which includes an input circuit referenced to one ground voltage and an output circuit referenced to another ground voltage capacitively coupled to the input circuit.
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7525347 |
Differential peak detector
Differential peak detection for outputting a signal indicative of a peak value of an input signal. The input signal is differentially amplified using common mode feedback and a common mode output...
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7522891 |
High frequency peak power detection circuit
A digital high frequency power detection circuit includes a peak detecting circuit and a peak computing circuit. The peak detecting circuit is operably coupled to detect a peak value of a high...
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7518414 |
Track-and-hold peak detector circuit
A track-and-hold peak detector circuit, which can operate at low input signal frequencies, includes a capacitor to hold a peak voltage of the input signal and logic circuitry that reduces an effect...
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7501878 |
Amplitude setting circuit
An amplitude setting circuit for setting an amplitude level of its output signal corresponding to an input signal. By setting a current flowing through a first diode-connected transistor (Q5) and a...
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7479808 |
Threshold circuit arrangement
A method for operating a threshold circuit arrangement and a threshold circuit arrangement is disclosed. In one embodiment, the invention provides a threshold circuit arrangement, wherein a...
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7474128 |
Transient voltage detecting circuit for electronic system having multiple of power supplies
The invention provides a transient voltage detecting circuit for detecting changes of voltage in an electronic system which has a first power supply (VDD), a second power supply (VDD), a third...
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7439776 |
Technique to increase the speed of a peak detector
A peak detector can advantageously increase its bandwidth, i.e. its charging and discharging speed, while minimizing the ripple of its output signal by sensing the charging current of a storage...
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7394295 |
Sense amplifier
The invention relates to a sense amplifier comprising the following element: a first current mirror unit coupled to a high voltage source, outputting a first current and a second current according...
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7382166 |
Signal amplification device
A signal amplification device which uses inexpensive standard CMOS and yet is capable of high-accuracy threshold setting. An offset voltage generator detects the direct-current level of an input...
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7375578 |
Radio frequency envelope detector
An RF envelope detection circuit that operations at low currents, high sensitivity, and high dynamic range. The circuit receives an AC signal at its input terminal and applies a signal on its...
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7366224 |
System and method for the detection of presence of a signal and its synchronization, for a frequency hopping system working in a disturbed environment
A method and device are disclosed for the detection and synchronization of a signal in a frequency-hopping system. The method has a step, for each frequency F(1) . . . F(M), of selecting the K...
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7355456 |
Wide linear range peak detector
A wide linear range peak detector including first and second peak detectors and a compensation circuit. The first peak detector receives an input signal and has an output providing a first peak...
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7348808 |
Method and apparatus for detection of high-speed electrical signals
A signal detector includes, in part, first and second peak detectors, a comparator and an amplifier. The first peak detector generates a first signal in response to receiving an incoming signal....
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7348807 |
Electric circuit for providing a selection signal
An electric circuit for providing a selection signal being used to select a control value of a control variable which oscillates, at steady state, about a reference value about a first control...
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7239198 |
Single gate oxide differential receiver and method
An integrated differential receiver includes a single gate oxide differential receiver and an associated switchable voltage supply circuit. The integrated differential receiver determines the...
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7236014 |
Circuit and method for peak detection of an analog signal
A fully differential peak detection circuit includes programmable sensitivity and an autozero function. The peak detector has a fully differential charge-coupled analog signal path. The entire...
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