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| Number | Title | Issue Date |
| 7408398 | Circuit arrangement having a power transistor and a drive circuit for the power transistor Circuit arrangement having a power transistor and a drive circuit for the power transistor The invention relates to a circuit arrangement having the following features: a power transistor (T) having a control terminal (G) an... | 08/05/2008 |
| 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 output terminal that is a function of the envelope magnitude of the AC sig... | 05/20/2008 |
| 7372301 | Bus switch circuit and interactive level shifter A bus switch circuit includes a switch element having two terminals whose electrical connection is controlled when a control signal is input into a control terminal. The bus switch circuit further includes a first pull-up resistor and first switch circuit, a second ... | 05/13/2008 |
| 7372685 | Multi-fault protected high side switch with current sense An integrated high side switch with multi-fault protection. When a fault condition is detected, the switch is turned off. The switch includes a pair of transistors that are connected such that the source of the first transistor is connected with the source of the se... | 05/13/2008 |
| 7365595 | Internal voltage generator An internal voltage generator is highly tolerant of electrical parameter changes of transistors occurring due to process deviation. The generator can produce an internal voltage within a short setup time when there is a significant difference between a voltage level... | 04/29/2008 |
| 7362148 | Device for controlling a semiconductor element A control device for controlling a load drive semiconductor element for driving a load has a test operation mode for measuring a leak current of the load drive semiconductor element. In the test operation mode, a control terminal of the load drive semiconductor elem... | 04/22/2008 |
| 7362147 | Integrated circuit An integrated circuit is disclosed that includes a MOS output stage transistor, a gate terminal for applying a drive signal, which controls the turning on and off of the output stage transistor, a charge transistor, which when the output stage transistor is turned o... | 04/22/2008 |
| 7339396 | Method and apparatus for ameliorating the effects of noise generated by a bus interface A method and apparatus for ameliorating the effects of noise generated by a bus interface provides improved performance of integrated circuits having other circuits sensitive to the transient noise introduced by bus signal switching. Additional signals are generated... | 03/04/2008 |
| 7336119 | Gate driver output stage with bias circuit for high and wide operating voltage range A simple, low cost, gate driver and bias circuit provides for a wider operating voltage range exceeding the normal component breakdown voltage of components such as NMOS and PMOS transistors. A CMOS process with an epitaxial layer as bulk and p-type substrate is use... | 02/26/2008 |
| 7329120 | Orthodontic bracket with vertical slot and method of using same There is disclosed an orthodontic bracket comprising a body member having a gingival opening mesio-distally extending slot formed therein. The slot is sized and shaped to receive an archwire. The body member also comprising a vertical leg between the slot and a labi... | 02/12/2008 |
| 7330065 | Inrush current slew control circuit and method Circuitry and methodology for controlling a FET or another transistor device provided to supply power to a circuit board insertable into a live backplane to provide inrush current slew rate control. The FET control circuit is responsive to an input signal variable i... | 02/12/2008 |
| 7321245 | Pipelined AD converter capable of switching current driving capabilities A first bias voltage generating circuit which applies a bias voltage to an amplifier circuit of an AD converter has a driving unit and a control unit. The driving unit includes a first bias circuit and a second bias circuit as a plurality of bias circuits which are ... | 01/22/2008 |
| 7315196 | Voltage generating circuit that produces internal supply voltage from external supply voltage A pump circuit includes first and second transistors connected between an input terminal and an output terminal, and a capacitor which is connected at its one end to the connection node of the first and second transistors. The pump circuit is responsive to control s... | 01/01/2008 |
| 7307463 | Source follower, voltage follower, and semiconductor device A source follower in which any one of the following three modes is selected by a plurality of switching elements: a first mode in which a first potential is supplied to a gate of a transistor and an input potential is supplied to a first electrode of a capacitor res... | 12/11/2007 |
| 7292088 | Gate driver output stage with bias circuit for high and wide operating voltage range A simple, low cost, gate driver and bias circuit provides for a wider operating voltage range exceeding the normal component breakdown voltage of components such as NMOS and PMOS transistors. A CMOS process with an epitaxial layer as bulk and p-type substrate is use... | 11/06/2007 |
| 7279963 | Low inductance semiconductor device having half-bridge configuration A semiconductor device has first, second, and third connecting leads (1, 2, 3), whose respective base points (1f, 2f, 3f) have centroids (1m, 2m, 3m). The connecting leads are... | 10/09/2007 |
| 7274224 | Semiconductor device and camera using same The present invention provides a semiconductor device that can adjust signal frequency bandwidths and consumption currents to be appropriately increased or reduced in source-follower amplifiers in all stages. The semiconductor device is comprised of a source-followe... | 09/25/2007 |
| 7272046 | High voltage switching circuit A high voltage switching circuit that has a depletion mode NMOS transistor, an enhancement mode PMOS transistor and an, enhancement mode NMOS transistor. A control circuit generates first and second control signals. A first control signal controls the enhancement mo... | 09/18/2007 |
| 7271629 | Buffer circuit having electrostatic discharge protection The buffer circuit includes pull up and pull down circuits configured to selectively pull up and pull down, respectively, a voltage of an put/output pad. The pull up and pull down circuits are connected to separate power supply lines such that a current path from th... | 09/18/2007 |
| 7265574 | Fail-safe method and circuit A method and a circuit for producing a fail-safe output signal in case of an open circuit condition of an input pad of a digital circuit unit, comprising a first inverter stage providing a constant switch level; a second inverter stage providing a variable switch le... | 09/04/2007 |
| 7259610 | Static CMOS logic level shift circuit with a low logic input count high switching speed and low power dissipation A level shift circuit with high switching speed and low power dissipation is described. The circuit includes two short channel transistors, two long channel transistors, and two switching transistors. Short channel transistors are arranged to receive a high input vo... | 08/21/2007 |
| 7253540 | Method for operating a parallel arrangement of semiconductor power switches The invention relates to a method for statically balancing the loading of power semiconductor switches (S1, S2, S3) in a parallel circuit (1). To achieve this in prior art, switching instants of individual switches (S1 | 08/07/2007 |
| 7248081 | Slicer with large input common mode range A slicer with large input common mode range is provided. The slicer includes an input stage coupled to receive an input signal, a current source for providing current for the input stage, a self-biased load coupled to the input stage to provide an initial output sig... | 07/24/2007 |
| 7248095 | Bus driver with well voltage control section A bus driving device is provided with a driver circuit for driving a bus line thereof. The driver circuit includes an MOS transistor whose well is separated from other circuits. Further, the bus driving device is provided with a voltage control section for adjusting... | 07/24/2007 |
| 7242226 | Method and apparatus for avoiding false switching in an electronic device A system and method for reducing forward inadvertent biasing of a switch having a transistor. The gate of the transistor is connected to ground and a voltage source less than ground. A control signal of the gate is then applied to a level translator to compensate fo... | 07/10/2007 |
| 7224200 | Level shift circuit, display apparatus, and portable terminal In the structure in which an input signal IN and a reverse-phase signal XIN thereof are externally input, an external IC is required for generating the reverse-phase signal XIN, and the number of required input signal terminals is two. A level shift circuit f... | 05/29/2007 |
| 7219022 | Methods and apparatus for detecting failure of an isolation device Apparatus for detecting failure of an isolation device includes a current sensor to sense current through the isolation device and a circuit responsive to the current sensor output signal and to an enable signal that controls the isolation device for providing an Ea... | 05/15/2007 |
| 7214985 | Integrated circuit incorporating higher voltage devices and low voltage devices therein An integrated circuit formed on a semiconductor substrate and configured to accommodate higher voltage devices and low voltage devices therein. In one embodiment, the integrated circuit includes a transistor having a gate located over a channel region recessed into ... | 05/08/2007 |
| 7212046 | Power-up signal generating apparatus In a power-up signal generating device, a power-up signal is activated at a certain level of the power supply voltage VDD by adjusting the turn-on resistance value of the MOS transistor so that the chip reliability can be improved. The power-up signal generating dev... | 05/01/2007 |
| 7173476 | Semiconductor integrated circuit device The drain of a power transistor M1 is connected to the non-inverting input terminal of an operational amplifier A and the drain of a transistor M2 is connected to the inverting input terminal of the operational amplifier A to make substantially equal t... | 02/06/2007 |
| 7154466 | Semiconductor display device and method of driving the same In executing the opposing common inverse drive in an active matrix-type semiconductor display device, a gate bias is suppressed to be comparable with that of the conventional inverse drive to avoid a range in which the off current jumps up and, hence, to suppress th... | 12/26/2006 |
| 7148738 | Systems, devices, and methods for providing control signals Certain exemplary embodiments comprise a system, comprising: an electrical isolator adapted to couple a processor of a programmable logic controller to a user load; a transistor adapted to provide switching of a control signal provided by the processor for the user ... | 12/12/2006 |
| 7142038 | Selection circuit A selection circuit having a comparator with comparator inputs connected to first and second voltage inputs), respectively, and a comparator output connected to a control input of a first controllable switch and an inverter. The selection circuit also has a second c... | 11/28/2006 |
| 7139540 | Adaptive radio transceiver with calibration An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a controller, and a self-testing unit. All of these components can be packaged ... | 11/21/2006 |
| 7135912 | Methods and systems for decoupling the stabilization of two loops Circuits and methods for dynamically stabilizing a circuit having a relatively small capacitive load two current loop sub circuits are provided. A main current loop and an associated sensing loop are coupled such that a compensation capacitance supplied to each sub ... | 11/14/2006 |
| 7112996 | Level shifter for detecting grounded power-supply and level shifting method A level shifter includes an input buffer, a level shifting circuit, a voltage level detecting circuit, an output buffer and a reference logic circuit. The input buffer buffers a small range input signal to output a small range signal. The level shifting circuit tran... | 09/26/2006 |
| 7102395 | Power-supply voltage detection circuit and integrated circuit device The power-supply voltage detection circuit to detect that an external power-supply voltage and/or an internal power-supply voltage generated from the external power-supply voltage goes out of predetermined regulation comprises a first comparator for detecting the in... | 09/05/2006 |
| 7071764 | Back-drive circuit protection for I/O cells using CMOS process In a high tolerance I/O interface with over-voltage protection beyond 5 V, a cascoded driver with PMOS pull-up and NMOS pull-down transistors, connected to a pad, is provided. Circuitry is included to maintain the floating well voltages of the PMOS pull-up driver tr... | 07/04/2006 |
| 7053700 | High-efficiency amplifier and method Methods and apparatus are provided for efficiently amplifying a signal. An input signal is decomposed into a plurality of two state signals, each two state signal having a respective on level and off level. This may involve sigma-delta modulation and phase splitting... | 05/30/2006 |
| 7053660 | Output buffer circuit and control method therefor An output buffer includes a first drive circuit that receives an input signal having a sharp waveform and generates an output signal that has a gentle waveform. A second drive circuit is connected to the first drive circuit at an output terminal and has a lower impe... | 05/30/2006 |
