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8115256 |
Semiconductor device
A semiconductor device includes an inverter having an NMOSFET and a PMOSFET having sources, drains and gate electrodes respectively, the drains being connected to each other and the gate electrodes...
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7944268 |
Switch circuit, variable capacitor circuit and IC of the same
A first terminal T1 is connected to the drain (or the source) of a MOS-FET (Q11), whose back gate is separated, through a capacitor C11. The MOS-FET (Q11) is connected at the source (or the drain)...
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7928794 |
Method and apparatus for a dynamically self-bootstrapped switch
A dynamically self-bootstrapping circuit for a switch features a resistor in series with the control node of the switch. A bypass switch connects a control node to ground. When the switch is in an...
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7924083 |
Isolation circuit
An isolation circuit is provided. The isolation circuit is coupled to an output and an input node and includes a first set, a second switch set, and a body bias voltage generator. The first switch...
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7920013 |
Systems and methods for oscillation suppression in switching circuits
A switching circuit configured to reduce the effects of signal oscillation on the operation of the switching circuit is provided. The switching circuit may include signal oscillation and detection...
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7902883 |
Preemphasis driver with replica bias
In one embodiment, a system includes a replica driver that includes n-type digital-to-analog converter (NDAC) current sources. The replica driver can produce a reference voltage based on current...
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7880694 |
Emission driver and electroluminescent display including such an emission driver
An emission driver may include a first signal processor adapted to receive a clock signal, an input signal and an inverse input signal, and generate a first output signal, a second signal processor...
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7840181 |
Rectifier circuit and radio communication device
A first bias circuit outputs a first direct-current voltage to charge a first capacitor based on a clock signal. A second bias that outputs a second direct-current voltage to charge a second...
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RE41926 |
Output circuit for adjusting output voltage slew rate
The present invention discloses an output circuit that is able to adjust the output voltage slew rate and avoid short-circuit current, comprising: a control circuit for receiving an input data and...
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7816971 |
Switch circuit having adjustable linearity of differential mode resistances
A switch circuit includes a pair of metal oxide semiconductor (MOS) switches and an adjusting unit. Each of the MOS switches has an input terminal and an output terminal. The MOS switches receive a...
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7782117 |
Constant switch Vgs circuit for minimizing rflatness and improving audio performance
A MOSFET switch is disclosed that is driven on by a circuit that provides a constant gate to source voltage, Vgs, that is independent of the input voltage, the power supply and any logic signals....
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7782116 |
Power supply insensitive voltage level translator
A circuit is described that when the power supply to circuits that control a pass transistor is at zero volts, the pass transistor configured as a voltage level translator remains off regardless of...
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7768337 |
IGBT-driver circuit for desaturated turn-off with high desaturation level
A driver circuit comprising an insulated gate bipolar transistor having a collector coupled to a voltage supply, an emitter coupled to a source of reference potential, and a gate configured to...
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7746921 |
Resonant digital data transmission
Power savings are achieved for digital data transport over short distances by using the characteristics of resonant LC circuits. Economy of circuit elements is achieved by enabling a single pair of...
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7745559 |
Integrated circuit device
An integrated circuit device includes: an internal circuit disposed on an inside area of the integrated circuit device; and at least one regulator circuit that generates a regulation voltage formed...
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7746152 |
Switch circuit device, and wireless circuit device and sampling circuit device employing the same
A switch circuit device with improved insertion loss characteristics and isolation characteristics is provided. The switch circuit of the present invention includes a plurality of n-ch MOSFETs...
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7739643 |
Crosstalk noise reduction circuit and method
In a semiconductor device, a method for reducing the effect of crosstalk from an aggressor line to a victim line begins with sensing the occurrence of a voltage change on the aggressor line that...
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7733156 |
Transistor arrangement, integrated circuit and method for operating field effect transistors
The transistor arrangement contains a first and a second field effect transistor comprising a first and a second source drain connection and a control connection for applying a first or a second...
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7710166 |
Semiconductor device and electronic apparatus using the same
The transistor suffers the variation caused in threshold voltage or mobility due to gathering of the factors of the variation in gate insulator film resulting from a difference in manufacture...
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7692475 |
Switch circuit
A switch circuit is disclosed. The switch circuit comprises: a hysteresis buffer, an electric switch, a first discharge resistor, a second discharge resistor, a capacitor, a feedback resistor, a...
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7671639 |
Electronic circuit
In the case of an electronic circuit, comprising a drive unit, which generates at least one drive signal, two or more power semiconductor switches each having a first and a second main terminal,...
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7671660 |
Single threshold and single conductivity type logic
A logic assembly (400) is composed from circuit elements of a single threshold and single conductivity type and comprises a logic circuitry (410) having at least a set of switches each having a...
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7659754 |
CMOS power switching circuit usable in DC-DC converter
A power switching circuit in CMOS technology has a power MOS transistor and a driver stage. The power MOS transistor is operated at a higher supply voltage in excess of its maximum allowable...
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7652518 |
Bus switch with level shifting
A bus switch with level shifting may include a first terminal configured to receive and output a first power supply voltage higher than a reference voltage, a second terminal configured to receive...
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7622964 |
Analog buffer circuit
An analog buffer circuit (10) includes a first p channel field effect transistor (11), an n channel field effect transistor (12) and a second p channel field effect transistor (13). The transistors...
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7567628 |
Symmetric differential slicer
A self-biasing slicer includes a self-biased differential transistor pair. As a result of the self-biasing, the slicer may receive input signals without the use of AC coupling. That is, a...
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7561853 |
Radio frequency switch
A switch that selectively changes radio frequency signals includes at least three FETs, which are connected in series. The source electrodes or drain electrodes arranged at an intermediate stage...
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7528643 |
Semiconductor device, electronic device having the same, and driving method of the same
A digital circuit which can operate normally regardless of binary potentials of an input signal is provided. A semiconductor device comprising a correcting unit and one or a plurality of circuit...
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7495872 |
Semiconductor unit
To improve the ESD protection of a circuit receiving a signal. An inverter circuit INV1 is connected to ground wiring GND1 for supplying power, and is connected to power supply wiring VDD1 via a...
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7492207 |
Transistor switch
A circuit is disclosed, including a transistor switch having a first terminal to receive an input voltage, a second terminal to output an output voltage and a gate terminal; a determination...
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7486127 |
Transistor switch with integral body connection to prevent latchup
A circuit device having a transistor-based switch topology that substantially eliminates the possibility of latchup of the device. A series-connected low voltage threshold (LVT) N-channel...
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7466185 |
IGBT-Driver circuit for desaturated turn-off with high desaturation level
A driver circuit comprising an insulated gate bipolar transistor having a collector coupled to a voltage supply, an emitter coupled to a source of reference potential, and a gate configured to...
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7414454 |
Voltage switching circuit
A voltage switching circuit is provided which is constructed from a minimum number of transistors and prevents the threshold voltage margin from being lowered by causing high-voltage cutoff and...
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7304526 |
Switching circuit for handling signal voltages greater than the supply voltage
Analog bidirectional switches (20) comprising a first (1) and a second (2) transistor function badly in case of the signal voltage at an input or an output of the switch (20) exceeding the supply...
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7268613 |
Transistor switch with integral body connection to prevent latchup
A circuit device having a transistor-based switch topology that substantially eliminates the possibility of latchup of the device. A series-connected low voltage threshold (LVT) N-channel...
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7265601 |
Adaptive gate drive voltage circuit
A circuit and method for reducing losses in a DC/DC converter by optimizing gate drive voltage. The circuit and method detect a change in the output load, or more specifically the output current,...
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7205830 |
Analog MOS circuits having reduced voltage stress
Circuits and methods are provided for reducing the voltage stress applied to the drain to source conduction path of an FET and/or to reduce the stress to the gate oxide of an FET which may have a...
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7202728 |
Signal transmission circuit
The signal transmission circuit comprises a first switch controls output according to a first control pulse, the first source follower outputting signals to the first output line based on signal...
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7138846 |
Field effect transistor switch circuit
A field effect transistor switch circuit may include: (1) first, second, and third switch terminals; (2) a first field effect transistor, a pair of the main electrodes of which are connected...
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7132877 |
Radiation tolerant solid-state relay
The present invention provides a radiation-tolerant-solid-state-relay without radiation-hardened parts. A p-channel MOSFET provides power-switching functionality. In further detail, the...
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7129766 |
CMOS analog switch
A CMOS analog switch is provided that can handle negative input polarity. The semiconductor substrate wherein the analog switch is formed has a substrate area of n-conductivity type. First and...
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7123054 |
Semiconductor integrated circuit device having an ESD protection unit
A semiconductor integrated circuit device includes a semiconductor integrated circuit formed in a semiconductor chip, and a switching element that is formed in the semiconductor chip and has a...
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7113412 |
Drive circuit and power supply apparatus
In charging a gate of a NMOS transistor Q1, the charging speed is adjustable by varying a resistor R1. When an inputted pulse signal VIN reverses to a negative voltage, a diode D2 turns off. Then,...
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7110718 |
Phase distortion using MOS nonlinear capacitance
RF phase distortion circuits and methods for controllably phase distorting an RF signal based on amplitude of the RF signal. An MOS device is provided having a body of a first conductivity type and...
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7071740 |
Current limiting circuit for high-speed low-side driver outputs
A FET switching transistor for the solenoid coil of an ABS braking system can switched ON or OFF in no more than substantially 250 ns. A higher current biasing circuit for fast turn on of the FET...
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6927633 |
High frequency circuit with thin film resistor
A first circuit which is constituted by a thin film resistor is connected between the collector of a transistor and a power supply terminal, and a second circuit which is constituted by a...
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6842053 |
Reduced charge injection in current switch
A current switching circuit has greatly reduced charge injection effects with the introduction of a mirror path to mirror the switch path. The mirror path comprises a complementary switch and a...
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6719387 |
Method for reducing turn-off propagation delay in print head drivers
An improved inkjet print head driver. The driver includes a source of predrive charge for a first, drive transistor coupled by its source and drain between an output node and a power supply, and...
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6703888 |
Method of operating circuit with FET transistor pair
A method for use with a switch having a field-effect transistor (FET). The method includes restricting the drain-source voltage of the FET to a predetermined range, and then switching the FET. In...
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6670842 |
Electromagnetic compatible regulator
A voltage regulator circuit for providing a regulated output voltage at an output terminal, the regulator circuit including a current source (Icontrol) including a current source MOSFET a current...
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