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7626449 |
Apparatus and method for tuning center frequency of a filter
A method for tuning a filter is provided. The method includes: enabling a VCO circuit, wherein at least a portion of the VCO circuit is selected from the filter; generating an oscillation signal by...
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7616050 |
Power supply circuit for producing a reference current with a prescribable temperature dependence
A power supply circuit is provided for producing a reference current with a prescribable temperature dependence. The circuit includes two current sinks, which at their respective input take up a...
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7616044 |
Logarithmic temperature compensation for detectors
The intercept of a logarithmic amplifier is temperature stabilized by generating a signal having the form H log H where H is a function of temperature such as T/T 0 . The first H factor is...
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7610165 |
Semiconductor memory device having on die thermal sensor
A semiconductor memory device includes: a temperature information output unit for measuring an internal temperature of the semiconductor memory device, and generating a plurality of flag signals,...
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7609045 |
Reference voltage generator providing a temperature-compensated output voltage
The present invention concerns a reference voltage generator ( 40 ) that provides a reference voltage (Vref new). The voltage generator ( 30 ) is operated at a supply voltage (Vdd) being lower than...
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7603575 |
Frequency-dependent voltage control in digital logic
An electronic circuit comprises at least one digital logic circuit; and a power control circuit. The power control circuit is operable to adjust the voltage of a power signal supplied to the at...
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7602234 |
Substantially zero temperature coefficient bias generator
In an embodiment, a bias generator circuit comprises a first circuit and a second circuit. The first circuit includes a first input coupled to a voltage source and a first output that provides a...
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7595685 |
Power efficient and fast settling bias current generation circuit and system
Bias current generation systems are disclosed. In one embodiment, a bias current generation system comprises a proportional to absolute temperature (PTAT) current source generating a PTAT current,...
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7595681 |
Method and apparatus for compensating for variances of a buried resistor in an integrated circuit
A method and apparatus that compensates for variances in the resistance of the buried resistor during operation of the integrated circuit using a waveform that is representative of the thermal...
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7594750 |
Method for outputting internal temperature data in semiconductor memory device and circuit of outputting internal temperature date thereby
A method for outputting internal temperature data in a semiconductor memory device can output, at high speed, relatively accurate temperature data externally, without continuously or periodically...
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7592859 |
Apparatus to compare an input voltage with a threshold voltage
Apparatus to compare an input signal to a threshold level are disclosed. An example circuit described herein includes a Widlar bandgap circuit to receive the input signal, an intermediate stage...
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7589580 |
Reference current generating method and current reference circuit
Provided are a reference current generating method and a current reference circuit. The reference current generating method includes generating a first current using a NMOS transistor and a second...
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7579900 |
Operation and circuitry of a power conversion and control circuit
Since parallel MOSFETs are usually driven with one gate signal in power applications, the current sharing between the MOSFETs is automatically established with regard to the characteristics of the...
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7579898 |
Temperature sensor device and methods thereof
A device having a temperature sensor device is disclosed. The temperature sensor device includes a complementary to absolute temperature (CTAT) module and a reference module. Both the temperature...
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7576599 |
Voltage generating apparatus
A voltage generating apparatus including a current source, a first voltage source, a second voltage source, a first differential pair, a second differential pair, a voltage divider and a current...
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7576597 |
Electronic device and related method for performing compensation operation on electronic element
The present invention discloses an electronic device and related method for performing a compensation operation on an electronic element, wherein the electronic device includes: a control module,...
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7573301 |
Temperature based filter for an on-chip system clock
An integrated circuit including an on-board system clock, the integrated circuit including a clock filter configured to determine a temperature of the integrated circuit and to alter an output of...
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7570108 |
Apparatus for regulating voltage
An apparatus for regulating voltage for at least one differential transistor pair having a voltage follower buffer, the voltage follower section having a first voltage-temperature response,...
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7565258 |
Thermal sensor and method
In one embodiment, an apparatus is constituted with a temperature sensing circuit adapted to be coupled to a current sources circuit, and configured to measure a circuit temperature and to generate...
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7560974 |
Generation of back-bias voltage with high temperature sensitivity
A level detector within a back-bias voltage generator includes a toggling unit and a temperature detector. The toggling unit causes an enable signal to be activated when an absolute value of a...
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7557631 |
Voltage and temperature compensation delay system and method
A delay circuit provides a voltage and temperature compensated delayed output signal. The delay circuit includes a first delay stage that receives an input signal, and generates a delayed output...
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7556423 |
Temperature sensor bow compensation
The output of a solid-state temperature sensor is the ratio of a voltage proportional to a reference voltage. The solid-state temperature sensor used diodes in its sensing and reference circuits,...
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7549796 |
Digital temperature detection circuit adapted for use with semiconductor device
A digital temperature detection circuit adapted for use with a semiconductor device is disclosed. The digital temperature detection circuit comprises a digital temperature generation unit adapted...
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7541862 |
Reference voltage generating circuit
A reference voltage generating circuit is described. The circuit includes a current generating section that generates a first current having a positive temperature coefficient, a voltage generating...
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7540657 |
Temperature detection circuit
A temperature detection circuit according to the present invention includes a potential generating part and a temperature detection part. The potential generating part generates a potential...
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7532063 |
Apparatus for generating reference voltage in semiconductor memory apparatus
An apparatus for generating a reference voltage in a semiconductor memory apparatus according includes: a first voltage generating unit configured to generate a voltage proportional to temperature;...
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7532056 |
On chip temperature detector, temperature detection method and refresh control method using the same
A temperature sensor includes a proportional to absolute temperature (PTAT) current generator configured to generate a first current proportional to temperature, a first complementary to absolute...
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7528645 |
Temperature dependent clamping of a transistor
An apparatus, comprising a transistor having a source/drain node and a gate, and a circuit coupled between the source/drain node and the gate and configured to limit a voltage between the...
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7528644 |
Temperature detecting circuit
A temperature detecting circuit is provided. The temperature detecting circuit includes a reference and detection voltage generator for generating a reference voltage corresponding to a first and a...
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7521985 |
Method for regulating temperature and circuit therefor
A method and circuit for managing thermal performance of an integrated circuit. Temperature sensing circuits and a plurality of power FETs that are coupled together in parallel are manufactured...
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7518437 |
Constant current circuit and constant current generating method
A constant current circuit and a constant current generating method, wherein when a voltage in substantially no temperature dependence is applied to an element to output a constant current,...
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7514998 |
Wide-temperature integrated operational amplifier
The present invention relates to a reference current circuit. The reference circuit comprises a low-level current bias circuit, a voltage proportional-to-absolute temperature generator for creating...
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7504878 |
Device having temperature compensation for providing constant current through utilizing compensating unit with positive temperature coefficient
A device, having temperature compensation, includes a constant voltage provider for providing a constant voltage; and a compensating load coupled to the constant voltage provider for providing a...
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7504874 |
Transistor arrangement with temperature compensation and method for temperature compensation
A transistor arrangement with temperature compensation is disclosed with a transistor having at least one adjustable geometric parameter. A temperature measuring means outputs a...
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7495505 |
Low supply voltage band-gap reference circuit and negative temperature coefficient current generation unit thereof and method for supplying band-gap reference current
A low supply voltage band-gap reference circuit is provided, which includes a positive temperature coefficient current generation unit and a negative temperature coefficient current generation...
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7495503 |
Current biasing circuit
A current biasing circuit is provided, which is designed to suppress reference current drift caused by temperature variation with a low overall temperature coefficient of a constant-voltage circuit...
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7489184 |
Device and method for generating a low-voltage reference
A voltage reference generating method, source, memory device and substrate containing the same include a voltage reference generator comprised of a bandgap voltage reference circuit including a...
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7486065 |
Reference voltage generator and method for generating a bias-insensitive reference voltage
The present invention is directed to a device and method for generating a reference voltage. A reference voltage generator comprises a first circuit, a second circuit, and an external device. The...
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7477090 |
Circuit characteristics controller
A circuit characteristics controller ( 10 ) changes the supply voltage to circuit ( 12 ) on the basis of the characteristics of at least one transistor in circuit ( 12 ) so as to control the...
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7471136 |
Temperature compensated self-refresh circuit
A temperature compensated self-refresh circuit maintains a stable current characteristic by maintaining a predetermined self-refresh cycle to cope with a process skew and a voltage change in a low...
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7467059 |
Extended thermal management
A method for managing thermal condition of a thermal zone that includes multiple thermally controllable components include determining thermal relationship between the components and reducing...
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7461972 |
One point calibration integrated temperature sensor for wireless radio frequency applications
A low power analog linear temperature sensor integrateable with digital and/or analog circuits in CMOS fabrication processes. The sensor is accurately calibrateable at a single temperature that...
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7456678 |
Apparatus and method for providing a temperature compensated reference current
An apparatus and method for providing a temperature compensated reference current in an electronic device is disclosed. The temperature compensated reference current is compensated for temperature...
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7455452 |
Temperature sensor capable of controlling sensing temperature
A temperature sensor includes a reference voltage generator, a sensing temperature controller and a first differential amplifier. The reference voltage generator generates a reference voltage...
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7454640 |
System and method for providing a thermal shutdown circuit with temperature warning flags
A system and method is disclosed that provides a thermal shutdown circuit that generates a plurality of temperature warning flag signals. Each temperature warning flag signal represents a different...
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7453302 |
Temperature compensated delay signals
A temperature compensated delay circuit for delaying a signal within an integrated circuit includes a temperature sensor. The temperature sensor is configured to sense a temperature proximal to the...
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7452128 |
On chip temperature measuring and monitoring circuit and method
A device temperature measurement circuit, an integrated circuit (IC) including a device temperature measurement circuit, a method of characterizing device temperature and a method of monitoring...
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7446592 |
PVT variation detection and compensation circuit
A compensation circuit and a method for detecting and compensating for process, voltage, and temperature (PVT) variations in an integrated circuit. The integrated circuit includes plural logic...
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7444490 |
Apparatus, system, and method for modifying memory voltage and performance based on a measure of memory device stress
An apparatus, system, and method are disclosed for modifying memory device timing and voltage. A detection module detects a change of memory device stress. A timing modification module modifies the...
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7443226 |
Emitter area trim scheme for a PTAT current source
A current source for generating a PTAT current using two bipolar transistors with an 1:A emitter area ratio implements a split resistor architecture to cancel mismatch errors in the current mirror...
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