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US20090295434 |
SIGNAL RECEIVING DEVICE
A signal receiving device includes: a first conversion unit comprising a first input terminal to which a signal including a voltage signal and a reference voltage is inputted, and a first output...
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US20090273374 |
HIGH LINEARITY VOLTAGE TO CURRENT CONVERSION
A system and method for performing voltage to current conversion, the system comprising of a first set of devices that senses the input voltage signal through its input terminal and replicates said...
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US20090261864 |
CURRENT MODE DATA SENSING AND PROPAGATION USING VOLTAGE AMPLIFIER
A method and a circuit for current mode data sensing and propagation by using voltage amplifier are provided. Example embodiments may include providing an output signal from a voltage amplifier in...
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US20090259418 |
CURRENT-VOLTAGE CONVERSION CIRCUIT AND POWER CONSUMPTION DETECTION CIRCUIT AND ELECTRONIC DEVICE USING THE SAME
A current-voltage conversion circuit which converts a current to be detected into a voltage, includes a detection resistor, amplifier circuit having a first operational amplifier, and an offset...
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US20090243662 |
MOS INTEGRATED CIRCUIT AND ELECTRONIC EQUIPMENT INCLUDING THE SAME
A MOS integrated circuit includes: a voltage-to-current conversion circuit configured to convert first and second voltages to a first current having a current value corresponding to the first...
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US20090243664 |
Data transfer method, data transfer circuit, output circuit, input circuit, semiconductor device, and electronic apparatus
A data transfer circuit comprises a voltage/current converter circuit for converting a first binary voltage data of n bits (n is an integer equal to or larger than two) to multi-value current data...
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US20090189650 |
PLL circuit including voltage controlled oscillator having voltage-current conversion circuit
A Phase-Locked Loop (PLL) circuit includes a voltage-controlled oscillator. The voltage-controlled oscillator includes a voltage-current conversion circuit and a current-controlled oscillation...
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US20090140775 |
Multiplexing circuit
A multiplexing circuit comprising an converter for converting an input voltage signal to an input current signal. A plurality of first current mirrors for mirroring the input current signal. A...
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US20090140776 |
Voltage-current converter and voltage controlled oscillator
An exemplary aspect of an embodiment of the present invention is a voltage-current converter converting an input voltage input to an input terminal to a current to output the current, the...
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US20090115461 |
CURRENT CONVERTING METHOD, TRANSCONDUCTANCE AMPLIFIER AND FILTER CIRCUIT USING THE SAME
The present invention is intended to achieve a transconductance amplifier and a voltage/current converting method which can provide a sufficient amplitude and a high degree of design freedom. The...
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US20090096490 |
Transconductor
A transconductor to convert an input voltage to an output current, includes: a primary transconductance stage to provide the output current from the input voltage and a driving current; an adaptive...
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US20090096489 |
HIGH VOLTAGE TOLERANT OVER-CURRENT DETECTOR
A system comprising an over-current detector configured to receive a switching voltage signal and to produce a first and a second current signal; an current-to-voltage converter configured to...
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US20090091356 |
Current-mode differential transmitter and receiver
A current-mode differential transmitter, receiving a single-end input voltage signal and accordingly generating a differential output current signal, is provided. The transmitter includes a first...
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US20090079603 |
CONSTANT CURRENT SOURCE, RAMP VOLTAGE GENERATION CIRCUIT, AND A/D CONVERTER
A ramp voltage generation circuit suitable for an A/D converter preventing a variation in a digital value obtained by an A/D conversion operation. The circuit comprises a stabilization voltage...
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US20090079470 |
Pseudo-differential, temperature-insensitive voltage-to-current converter
A Voltage-to-Current converter includes a current mirror having first and second poles, a first transistor coupled between the first pole of the current mirror and a low voltage through a first...
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US20090068976 |
FILTER CIRCUIT AND COMMUNICATION SEMICONDUCTOR DEVICE USING THE SAME
The present invention intends to provide a filter circuit in which an area occupied by the circuit can be reduced by suppressing the scale of its circuit configuration while a predetermined...
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US20080315925 |
ISOLATOR CIRCUIT INCLUDING A VOLTAGE REGULATOR
An apparatus includes a regulator circuit that generates a voltage in response to an input current being supplied to an input terminal and functional circuitry, powered by the voltage generated by...
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US20080315923 |
COMPENSATING A PUSH-PULL TRANSMIT DRIVER
An interface such a PCI-E interface may comprise a transmitter and a compensation circuit. In one embodiment, the transmitter may comprise a transmit driver, which may use a push-pull...
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US20080238532 |
SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE
With an ultrasound pulser suitable for application to a medical ultrasound system, and so forth, a high voltage power supply of a transducer drive circuitry, on both high potential and low...
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US20080218221 |
ANALOG SOURCE DRIVING APPARATUS
An analog source driving apparatus including an operational amplifier, a first resistor, a second resistor, a variable gain unit and a source driver is provided. A constant gain amplifier is...
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US20080197890 |
Light receiving circuit
A light receiving circuit according to the present invention includes a current control voltage generation circuit 10 outputting control voltages Vcont 1 and Vcont 2, a first current adjusting...
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US20080192518 |
INPUT CURRENT CONTROLLER ARRANGEMENT AND METHOD
An arrangement having a first converting element configured to convert an input current linearly into an auxiliary current, a second converting element configured to convert the auxiliary current...
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US20080136463 |
METHOD AND SYSTEM FOR AN LC RESONANCE CURRENT GAIN BOOSTING AMPLIFIER
Aspects of a method and system for an integrated LC resonant current gain boosting amplifier may include amplifying within a chip, via an on-chip LC current gain circuit, an alternating current...
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US20080116942 |
Drive voltage generator
The invention discloses drive voltage generators. A drive voltage generator comprises a voltage source, a variable current source, and a unity-gain buffer amplifier. The resistor is coupled between...
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US20080094110 |
Transconductor Circuits
The invention relates to transconductor circuits, particularly but not exclusively to a single-ended transconductor circuit ( 50 ), balanced transconductor circuits and a filter suitable for use in...
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US20080088346 |
METHOD AND APPARATUS FOR VOLTAGE TO CURRENT CONVERSION
A voltage to current converter that can provide multiple current sources at differing voltage levels using a single inductor, without the need to provide a current sense element, pass element, and...
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US20080077346 |
APPARATUS AND METHOD OF FEEDING INTERNAL CALIBRATION SIGNAL THROUGH ELECTRO-STATIC DISCHARGE PROTECTION CIRCUITRY
An apparatus and method for internally calibrating a direct conversion receiver (DCR) through feeding a calibration signal via ESD protection circuitry is disclosed. The apparatus includes an...
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US20080042944 |
VOLTAGE-CURRENT CONVERTING METHOD, VOLTAGE-CURRENT CONVERTING CIRCUIT AND ACTIVE MATRIX TYPE DISPLAY APPARATUS
A voltage-current converting circuit turns on a transistor M 1 a to give a blanking signal to the gate of a transistor M 5 a (PMOS transistor) through capacities C 1 a and C 2 a, and turns on a...
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US20080012607 |
Circuit
An upper end voltage and a lower end voltage of a current detection resistor Rs are supplied, via first and second switches S 1 and S 2, to one end of a main capacitor Ci. A reference voltage...
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