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US20100301916 CLOCK DISTRIBUTION CIRCUIT AND LAYOUT DESIGN METHOD USING SAME  
A layout design method in accordance with an exemplary aspect of the present invention is a layout design method for a clock tree circuit, including disposing a first clock distribution circuit in...
US20140203858 INTERPOLATOR AND INTERPOLATION CELLS WITH NON-UNIFORM DRIVING CAPABILITIES THEREIN  
An interpolator includes interpolation cells. Each interpolation cell includes a first driving unit and a second driving unit. The first driving unit includes a first pulling-up circuit for...
US20140270031 PHASE INTERPOLATOR WITH LINEAR PHASE CHANGE  
Some embodiments relate to a phase interpolator. The phase interpolator includes a control block to provide a plurality of phase interpolation control signals which are collectively indicative of...
US20090231009 HIGH-RESOLUTION LOW-INTERCONNECT PHASE ROTATOR  
High-resolution low-interconnect phase rotator. A signal may be generated having any desired phase (as determined by the step size employed). First and second control signals select a sector...
US20130207708 HIGH-RESOLUTION PHASE INTERPOLATORS  
A phase interpolator circuit is provided that generates an output clock signal by interpolating between phases of first and second clock signals. Interpolation is performed by detecting an edge of...
US20130207707 HIGH-RESOLUTION PHASE INTERPOLATORS  
A phase interpolator circuit is provided that generates an output clock signal by interpolating between phases of first and second clock signals. Interpolation is performed by detecting an edge of...
US20090115483 PHASE JUMP SEQUENCER ARCHITECTURE  
A method for controlling an output phase of a phase interpolator, by forming an M bit control word, designating N bits of the control word as a fractional number portion, designating M-N bits of...
US20140125394 PHASE INTERPOLATOR HAVING ADAPTIVELY BIASED PHASE MIXER  
A phase interpolator includes an adaptively biased phase mixer, phase control circuitry and an adaptive bias generator. The adaptively biased phase mixer has mixing transistor circuitry configured...
US20100289538 CLOCK CONDITIONING CIRCUIT  
A circuit includes a clock conditioning circuit which receives an encoded clock signal, and provides first and second conditioned clock signals in response. The clock conditioning circuit adjusts...
US20090195286 PHASE SHIFTING USING ASYMMETRIC INTERPOLATOR WEIGHTS  
Illustrative embodiments provide an apparatus for phase shifting to produce uniform phase steps in a predictable manner to improve the linearity of conversion. The apparatus comprises a phase...
US20100148838 WIDE RANGE DELAY CELL  
A delay cell with a wider delay range is provided. The delay cell employs frequency dependent current source to generate the majority of the delay of the cell, while a control circuit (which is...
US20110050312 MULTI-PHASE CLOCK GENERATION CIRCUIT  
A multi-phase clock generation circuit including a phase interpolation circuit that generates and outputs an interpolation signal based on first and second clock signals, the interpolation signal...
US20100066424 SEMICONDUCTOR DEVICE AND CONTROL METHOD THEREOF  
According to an aspect of the embodiment, a skew detecting unit includes at least one over delay path or racing path for detecting skew. A clock adjusting unit sets a set value of delay based on...
US20100311375 SAMPLING MIXER, QUADRATURE DEMODULATOR, AND WIRELESS DEVICE  
There are provided a sampling mixer, quadrature demodulator, and a wireless device capable of suppressing receiving sensitivity degradation caused by alias components or second-order distortion...
US20130033296 PHASE SHIFTER  
A 0-to-90-degree phase shifter (13) includes a voltage-variable power supply (16), a transistor (17), a 90-degree divider (18), gain-variable amplifiers (19) (19-1 and 19-2), and a combiner (20)....
US20140028363 PHASE ROTATOR BASED ON VOLTAGE REFERENCING  
A phase rotator based on voltage referencing is disclosed. A voltage signal is generated that is proportional to the phase difference between two input signals. The voltage signal is then used as...
US20140035646 Phase Shift Generating Circuit  
A phase shift generation circuit has an edge detector for generating first and second edge signals indicating first and second edges of an input pulse signal. The circuit comprises a divide by N...
US20140043079 INTERCHANNEL SKEW ADJUSTMENT CIRCUIT  
An interchannel skew adjustment circuit adjusts signal skew between a first channel and a second channel. The circuit includes a phase adjustment circuit configured to receive a signal of the...
US20100060294 Timing generator and semiconductor test apparatus  
A variable delay circuit has a simple configuration for being incorporated in a timing generator to control a delay time in real time and assure a timing margin. The variable delay circuit of the...
US20110148498 DIGITAL QUADRATURE PHASE CORRECTION  
Methods and systems to adjust a phase difference between signals, such as to perform quadrature phase correction. First and second signals are digitally compared, such as with exclusive OR...
US20120299629 PHASE EXCURSION/CARRIER WAVE FREQUENCY EXCURSION COMPENSATION DEVICE AND PHASE EXCURSION/CARRIER WAVE FREQUENCY EXCURSION COMPENSATION METHOD  
In a phase excursion/carrier wave frequency excursion compensation device, increasing compensation processing speed using parallel processing deteriorates the transmission property. Thus, provided...
US20100019816 MICRO-PHASE ADJUSTING AND MICRO-PHASE ADJUSTING MIXER CIRCUITS DESIGNED WITH STANDARD FIELD EFFECT TRANSISTOR STRUCTURES  
Disclosed herein are embodiments of a programmable phase adjusting circuit, a programmable phase adjusting mixer circuit and design structures for these circuits. These circuits comprise a...
US20110267119 Wideband analog phase shifter  
A phase shifter includes a low-pass filter, a high-pass filter, and an all-pass filter coupled in series between an RF input terminal and an RF output terminal of the phase shifter, at least one...
US20110291727 DELAY CIRCUIT AND METHOD FOR DRIVING THE SAME  
A delay circuit includes a pulse generation unit configured to generate a pulse signal, which is activated in response to an input signal and has a pulse width corresponding to delay information,...
US20080290465 Varactor Element and Low Distortion Varactor Circuit Arrangement  
A varactor element having a junction region, in which the depletion capacitance of the varactor element varies when a reverse bias voltage is applied to the varactor element. The varactor element...
US20130169333 FRONT-END MODULE HAVING LOW INSERTION LOSS  
One object is to provide a front-end module with a shared output terminal wherein an input impedance is readily matched and an insertion loss is suppressed. In accordance with one aspect, the...
US20140321515 Phase Interpolator  
A phase interpolator is provided. The phase interpolator includes a plurality of capacitors, a first input for a clock signal, a second input for a phase shifted clock signal, a reference input...
US20150145578 SEMICONDUCTOR DEVICE  
The problem was that the noise superimposed on a touch electrode via the human body can incur erroneous touch determination by a touch sensor circuit. The invention provides a semiconductor device...
US20100109734 CURRENT-MODE PHASE ROTATOR WITH PARTIAL PHASE SWITCHING  
In one illustrative embodiment, an apparatus for a current-mode phase rotator with partial input phase switching comprises a mixer, wherein the mixer is a four quadrant current-mode mixer...
US20090322395 TRANSMISSION PATH DRIVING CIRCUIT  
A transmission line driving circuit that can support a high-rate signal transmission and further can perform appropriate loss compensation in accordance with a signal pattern. A transmission line...
US20140176213 PROGRAMMABLE DELAY GENERATOR AND CASCADED INTERPOLATOR  
A programmable delay generator and a cascaded interpolator are provided. The cascaded interpolator includes a set of interpolator stages, each having two signal inputs and two signal outputs,...
US20110193606 RADIO FREQUENCY MODULATOR AND METHOD THEREOF  
A radio frequency (RF) modulator includes: converting means for up-converting a first and second baseband signals into a first and second up-converted signals with a reference clock, wherein a...
US20110133784 CIRCUIT FOR DETECTING PHASE IMBALANCE OF SIGNALS  
A circuit for detecting a phase imbalance of signals includes a conversion block and a comparator coupled to the conversion block. The conversion block generates generating a direct current (DC)...
US20100201421 JITTER GENERATING CIRCUIT  
A jitter generating circuit wherein a simple structure can be used to generate a pattern effect jitter. A jitter generating circuit 1 comprises a driver input circuit 20 that serves as a signal...
US20100001776 DIFFERENTIAL SIGNAL TRANSMITTING APPARATUS AND A TEST APPARATUS  
Provided is a differential signal transmission apparatus that transmits a differential signal expressed by a potential difference between a positive signal and a negative signal, including a...
US20150171842 EMI Control Method and Apparatus, and Electronic Device  
An electromagnetic interference (EMI) control method to adjust initial clock phases of radiation sources of an electronic device, so as to control EMI of the electronic device. The EMI control...
US20120294336 FRACTIONAL FREQUENCY DIVISION OR MULTIPLICATION USING AN OVERSAMPLED PHASE ROTATOR  
Circuits and systems for generating multiple frequencies are disclosed. In some embodiments, a circuit can include a first node, a second node, and a programmable phase rotator. The first node can...
US20110006825 Phase Control Circuit and Method for Optical Receivers  
This invention relates to a phase control circuit for an optical receiver (1). The phase control circuit (9, 19) comprises a non-linear element (22) and a power detector (24). The non-linear...
US20100244976 Clock Spreading Systems and Methods  
Clock spreading systems and methods are disclosed. In one embodiment of the invention, a clock spreading system is provided in an integrated transceiver system that comprises a base band control...
US20100283525 PHASE CONTROL DEVICE AND DATA COMMUNICATION SYSTEM USING IT  
A phase control device that adjusts a phase of a clock receives a first clock, a second clock and a control code. The phase control device includes phase adjusters (PI-11, PI-12), PI-2 and PI-3...
US20120119807 PHASE INTERPOLATOR, SEMICONDUCTOR DEVICE AND TESTING METHOD THEREOF  
Two selected testing selectors output testing input signals of reverse phases from each other according to the first control signal. Two selectors corresponding to the two testing selectors output...
US20100123502 SYSTEM FOR PROVIDING A SUBSTANTIALLY UNIFORM POTENTIAL PROFILE  
A system for providing at least two output signals to produce a substantially uniform potential profile includes a signal generator adapted to emit a frequency at least about 30 megahertz, a...
US20110298511 STROBE SIGNAL MANAGEMENT TO CLOCK DATA INTO A SYSTEM  
A method of communicating with a source synchronous device can include determining an expected number of pulses of a strobe signal to be received in response to a first read request directed to...
US20100231279 Phase Shift Generating Circuit  
A phase shift generation circuit has an edge detector, which receives an input pulse signal and outputs a first and a second edge signal denoting the time of occurrence of the first and second...
US20100188127 SIGNAL ADJUSTING SYSTEM AND SIGNAL ADJUSTING METHOD  
A signal adjusting system includes: a signal generating device for generating a plurality of output signals according to a plurality of pre-output signals, a plurality of signal transmitting paths...
US20170179936 SYSTEM AND METHOD FOR A REDUCED HARMONIC CONTENT TRANSMITTER FOR WIRELESS COMMUNICATION  
A system includes a voltage-controlled oscillator (VCO) to generate an output signal based on an input voltage and a multi-stage delay network to receive the output signal from the VCO. Each stage...
US20170149422 APPARATUSES AND METHODS FOR PROVIDING A SIGNAL WITH A DIFFERENTIAL PHASE MIXER  
According to one embodiment, an apparatus is described. The apparatus comprises a first phase mixer circuit configured to receive a first signal and a second signal and provide a first...
US20160380623 State Change Stabilization in a Phase Shifter/Attenuator Circuit  
An electronic system that includes a digitally selectable phase shifter circuit and an insertion loss fine adjustment circuit such that the system as a whole exhibits little or no change in...
US20160277011 SIGNAL PROCESSING APPARATUS, AND APPARATUS AND METHOD FOR DRIVING GYRO SENSOR USING SIGNAL PROCESSING APPARATUS  
A signal processing apparatus includes: a clock generator configured to generate a clock signal having a phase based on a phase of an input signal; a phase modulator configured to shift the phase...
US20160142061 PHASE DETECTOR AND ASSOCIATED PHASE DETECTING METHOD  
A phase detector includes a plurality of sampling circuits, a logic circuit, a plurality of demultiplexers and a decision circuit, wherein the plurality of sampling circuits use a plurality of...

Matches 1 - 50 out of 65 1 2 >