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Patent # Description
US-8,143,958 Systems and methods for self testing a voltage controlled oscillator in an open loop configuration
Methods and apparatus for self testing a multiband voltage controlled oscillator (VCO) are disclosed. A tuning voltage of the VCO is adjusted where the output...
US-8,143,957 Current-mode gain-splitting dual-path VCO
Techniques to effectively handle large voltage-controlled oscillator (VCO) gain are described. The techniques utilize (1) a slow high-gain path to provide an...
US-8,143,956 Atomic beam optical frequency atomic clock and a producing method thereof
An atomic clock at optical frequency based on atomic beam and a method for generating the atomic clock comprises: The atomic beam (8) is ejected from a pile...
US-8,143,955 Oscillator circuit for radio frequency transceivers
Oscillator circuit for radio frequency transceivers. An oscillator circuit includes a first oscillator that generates a signal having a first frequency and a...
US-8,143,954 Oscillation device with auxiliary oscillating means
A device can be coupled to an electrical load for supplying electrical power to the electrical load. The device contains an oscillator unit and an auxiliary...
US-8,143,953 Self-trim and self-test of on-chip values
A self-trim circuit provides a technique to trim a CUT (circuit under trim) using a LSB offset to determine the best digital value to trim the CUT. The...
US-8,143,952 Three dimensional inductor and transformer
A three dimensional on-chip inductor, transformer and radio frequency amplifier are disclosed. The radio frequency amplifier includes a pair of transformers and...
US-8,143,951 Broadband transistor bias network
An amplifying circuit for use in, for example, broadband transceivers is described. A bias filter is connected between an amplifying transistor and a power...
US-8,143,950 Power amplifier break down characteristic
Disclosed herein is a power amplifier. The power amplifier includes a first common source transistor for amplifying an input signal into a predetermined level,...
US-8,143,949 Push-pull linear hybrid class H amplifier
Several push-pull linear hybrid class H amplifiers are disclosed. A split power rail provides a positive supply rail and a negative supply rail in response to a...
US-8,143,948 High bandwidth, rail-to-rail differential amplifier with input stage transconductance amplifier
An error amplifier expected to exhibit rail-to-rail operation, high bandwidth, and high slew rate, is described, the error amplifier comprising a first stage to...
US-8,143,947 Semiconductor differential amplifier
There is provided a circuit to make a bias for adjusting a threshold voltage of MOS devices available in a wide range, to extend the amplitude range of the...
US-8,143,946 Current to voltage converter
A current to voltage converter which includes a common gate transconductance element having at least one input and one output. The current to voltage converter...
US-8,143,945 Switched mode amplifier
A switched mode amplifier includes a voltage source, a switched amplifier, a controller and a feedback unit. The switched amplifier sources or sinks a current...
US-8,143,944 Method and apparatus for sensing a current for varying impedance loads
Recently, there has been an increased desire to measure load currents of class-D amplifiers to improve performance. The traditional solution has been to include...
US-8,143,943 System and a method for signal processing
A system for processing an input signal, the system includes: a hardware memory module configured to store a lookup table; and a signal processing module,...
US-8,143,942 Integrated channel filter using multiple resonant filters and method of operation
A circuit includes a first filter comprising a first inductor coupled to a first variable capacitor, wherein the first filter is associated with a first...
US-8,143,941 Active analog filter having a MOS capacitor device with improved linearity
An active analog filter (700, 1000) having a MOS capacitor device (730, 1030) with improved linearity is proposed. In an exemplary embodiment, dc bias voltage...
US-8,143,940 Internal supply voltage generating circuit and method for generating internal supply voltage
An internal supply voltage generating circuit includes a clock comparator configured to compare a first clock signal having clock information corresponding to a...
US-8,143,939 Charge pump driving circuit and charge pump system
A charge pump driving circuit for generating a driving pulse signal to drive a charge pump circuit is disclosed. The charge pump driving circuit includes a...
US-8,143,938 Boost circuit and liquid crystal display device using boost circuit
A charge pump circuit has boost capacitors and a charge switch supplying supply voltage to the boost capacitors, and a step-up ratio thereof is variable by...
US-8,143,937 Internal negative voltage generation device
An internal negative voltage generation device includes a first internal negative voltage generation block configured to generate a first internal negative...
US-8,143,936 Application of control signal and forward body-bias signal to an active device
The present disclosure relates to constructing and operating a transistor or other active device with significantly reduced flicker noise.
US-8,143,935 Circuit and method for controlling charge injection in radio frequency switches
A circuit and method for controlling charge injection in a circuit are disclosed. In one embodiment, the circuit and method are employed in a ...
US-8,143,934 Analog switching system for low cross-talk
A system includes a voltage pump to generate a first pump voltage from an analog voltage signal. The system further includes switching pad to receive an analog...
US-8,143,933 Semiconductor integrated circuit
A semiconductor integrated circuit includes a mixer circuit unit having a first single gate mixer configured to receive a first input signal having a first...
US-8,143,932 Grid clock distribution network reducing clock skew and method for reducing the same
A clock distribution network includes a plurality of clock drivers for outputting clock signals. At least one of the plurality of clock drivers has a driving...
US-8,143,931 Flag signal generation circuit and semiconductor device having the same
A flag signal generation circuit includes a first periodic signal detection unit, a second periodic signal detection unit, and a flag signal output unit. The...
US-8,143,930 Method and apparatus for amplifying a time difference
Various methods and apparatus can be used for amplifying a time interval in a variety of applications. In an embodiment, a feedback device is implemented in a...
US-8,143,929 Flip-flop having shared feedback and method of operation
A method of operating a circuit includes receiving a first data signal at a first node. The first node is coupled to a second node to couple the first data...
US-8,143,928 Duty cycle correction systems and methods
Duty cycle correction systems and methods of adjusting duty cycles are provided. One such duty cycle correction system includes a duty cycle adjustor and a...
US-8,143,927 Pulse control device
A pulse control device is maintained with a constant pulse width corresponding to a change of process or temperature. The pulse control device comprises a fuse...
US-8,143,926 Data signal generating apparatus
It is an object of the present invention to provide a data signal generating apparatus which is small in size, and can output the serial data in a desired...
US-8,143,925 Delay locked loop
A delay locked loop includes a replica delay oscillator unit, a division unit, a pulse generation unit, a code value output unit, and a delay line. The replica...
US-8,143,924 Semiconductor integrated circuit device having pulse generating circuits
There is provided a circuit whose output is free from high impedance to improve wrong transmission and waveform overshoot, realizing a semiconductor integrated...
US-8,143,923 Circuit and method for determining a current
A power supply circuit having a converter circuit and method for determining a current flowing into the converter circuit. A converter circuit includes an...
US-8,143,922 Sampling circuit
A sampling circuit for sequential sampling of a broadband periodic input signal having a field effect transistor as a nonlinear component to which a...
US-8,143,921 Latched comparator and methods therefor
A compare cycle of a comparator includes a precharge phase and a compare phase. During the precharge phase, a node of the comparator is precharged to a defined...
US-8,143,920 Current sensor
A system includes a current sensor to receive an input signal based on a sense current provided to load circuitry. The current sensor is configurable to...
US-8,143,919 Semiconductor device and a display device
The invention provides a low cost and high performance functional circuit by reducing time required for the repetition of logic synthesis and routing of layout...
US-8,143,918 Apparatus for driving a display device, display device including the same, and method thereof
An apparatus for driving a display device includes a plurality of stage connected to each other, wherein each stage includes first to seventh transistors and...
US-8,143,917 Transceiver for controlling swing width of output voltage
A transceiver for controlling a swing width of an output voltage includes a transmitter and a receiver for receiving an output voltage of a transmitter. The...
US-8,143,916 Level shift circuit, method for driving the same, and semiconductor circuit device having the same
A level shift circuit includes a level shift section for receiving a low potential signal oscillating between a high potential and a ground potential and...
US-8,143,915 IC with deskewing circuits
Some embodiments provide a configurable integrated circuit (IC) comprising multiple deskew circuits for delaying data passage. Each of the deskew circuits...
US-8,143,914 Semiconductor integrated circuit
A semiconductor integrated circuit including: a circuit block having an internal voltage line; an annular rail line forming a closed annular line around the...
US-8,143,913 Semiconductor integrated circuit, semiconductor integrated circuit control method, and terminal system
A semiconductor integrated circuit judges whether a power unit is performing a discharge operation or a charge operation. To reduce clock skew between a...
US-8,143,912 Impedance adjustment circuit for adjusting terminal resistance and related method
An impedance adjustment circuit for adjusting a terminal resistance includes a resistance evaluation unit and a terminal resistor unit. The resistance...
US-8,143,911 Input/output driver swing control and supply noise rejection
In general, in one aspect, the disclosure describes an apparatus having an averager to receive differential output voltages of a transmitter and generate an...
US-8,143,910 Semiconductor integrated circuit and method of testing the same
Provided is a semiconductor integrated circuit including: a first path that includes a first logic circuit; a second path that includes a second logic circuit;...
US-8,143,909 Universal test socket and semiconductor package testing apparatus using the same
A universal test socket includes a housing frame including a side wall, an inner protruding portion protruding inwardly from the side wall, and a through window...
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