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7619456 Wide frequency multi-phase signal generator with variable duty ratio and method thereof  
A multi-phase signal generator may include a duty control buffer configured to receive a first differential input signal and a second differential input signal, and generate a first differential...
7609102 Pattern-dependent phase detector for clock recovery  
A phase detector apparatus and method used for clock recovery from a data signal is provided. The phase detector provides phase correction signals to a clock signal generator, where the phase...
7579891 Method and circuit arrangement for generating a periodic electric signal with controllable phase  
The invention relates to the generation of an electric output signal with a specified frequency and a phase (P) dependent upon a control signal (x) by means of weighted superposition of several...
7558556 Adaptive radio transceiver with subsampling mixers  
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...
7545193 Voltage-controlled delay circuit using second-order phase interpolation  
Phase interpolation techniques for voltage-controlled delay line (VCDL) implementation are provided. The techniques of the invention may employ a second-order phase interpolation topology to...
7519925 Integrated circuit with dynamically controlled voltage supply  
An electronic system ( 10 ). The system comprises circuitry (P 1 ) for receiving a system voltage from a voltage supply. The system also comprises circuitry ( 14 1 ), responsive to the system...
7491931 Power supply regulation using a feedback circuit comprising an AC and DC component  
In various aspects, ion sources, mass spectrometer systems, and a power supply circuit coupled to a feedback circuit are provided. A power supply is provided that includes at least the power supply...
7446616 Multi-phase clock generator and method thereof  
A multi-phase clock generator for generating a set of multi-phase clock signals is disclosed. The multi-phase clock generator includes a signal generator, a phase adjusting circuit, and a phase...
7420404 Phase adjuster circuit and phase adjusting method  
A phase adjustor circuit and a phase adjusting method are capable of preventing a phase shift amount from fluctuating even if a frequency of a transmission carrier wave of a sensor signal...
7362156 Reliable phase adjustment circuit  
A phase adjustment circuit generates multiple clock signals by, for example, successively delaying a first clock signal. One of the generated clock signals is selected and output. A phase...
7324043 Phase shifters deposited en masse for an electronically scanned antenna  
A system and method for an electronically scanned antenna is provided in which phase shifters are deposited en masse along with other electronically scanned antenna components on a wafer scale...
7301410 Hybrid current-starved phase-interpolation circuit for voltage-controlled devices  
A hybrid circuit includes a current-starved voltage-controlled circuit configured to adjust a first type of signal difference, and a phase-interpolated voltage controlled circuit configured to...
7301383 Circuit for controlling phase with improved linearity of phase change  
A circuit for controlling phase includes a first node providing a current responsive to a first clock signal, a first plurality of switch circuits coupled to the first node, a first plurality of...
7298194 Interpolation  
A steering current generator for a phase interpolator has a multiplicity of fine phase adjustment current sources, each of which is switchable to direct its current to one or other of two summing...
7282979 Phase shifting device  
A phase shifting device includes a signal source; a variable phase shifter; first and second doubling circuits; and a 90-degree phase comparator. An output from the signal source is connected to an...
7274276 Amplifier circuit, gyrator circuit, filter device and method for amplifying a signal  
An amplifier circuit comprising a transconductor device connected to a phase shifter section. The phase shifter section has an adjustable phase shift and an impedance at least partially dependent...
7259606 Data sampling clock edge placement training for high speed GPU-memory interface  
Circuits, methods, and apparatus for training a phase shift circuit to provide a phase shift for improved data recovery. A specific embodiment of the present invention provides a variable delay...
7187243 Delay circuit  
A delay circuit according to embodiments of the present invention capable of operating over a wide range of frequencies is presented. Embodiments of the invention minimize or eliminate parasitic...
7183828 Shift clock generator, timing generator and test apparatus  
There is provided a shift clock generator for phase-shifting a shift clock by inserting insertion pulses into the shift clock, wherein an insertion pulse generating section has a compensation...
7180352 Clock recovery using clock phase interpolator  
A clock recovery circuit includes a delay locked loop, and a clock phase interpolator circuit. The delay locked loop provides multiple phases of an input clock signal to the interpolator circuit,...
7167034 Arrangement for correcting the phase of a data sampling clock signal during a period of sampling data in a received signal  
In a clock phase corrector appropriately correcting the phase of a data sampling clock signal, a series of shift registers responds to respective sampling clock signals to store received data...
7102404 Interpolator circuit  
An improved interpolator includes a replica delay line and an interpolated delay edge generator. The replica delay line provides two replica delay edges to the interpolated delay edge generator....
7088156 Delay-locked loop having a pre-shift phase detector  
A clock generator for generating an output clock signal synchronized with an input clock signal having first and second adjustable delay lines. The first adjustable delay lines is adjusted...
7082293 Adaptive radio transceiver with CMOS offset PLL  
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...
7068086 Phase correction circuit  
There is provided a phase correction circuit capable of detecting a skew between a data signal and a clock signal without requiring a clock signal as pattern data upon initialization. The phase...
7046064 Clock generation with continuous phase  
A clock generation system includes an oscillator and one or more clock generators. The oscillator provides inphase and quadrature oscillator signals having a fixed frequency. Each clock generator...
7038518 Method and apparatus for adjusting the phase and frequency of a periodic wave  
A delay circuit includes a phase vernier having a plurality of logic components. Each logic component includes a selectable injection input capable of adjusting a phase of an input to the phase...
6982578 Digital delay-locked loop circuits with hierarchical delay adjustment  
Fine tuned signal phase adjustments are provided by multiple cascaded phase mixers. Each phase mixer outputs a signal having a phase between the phases of its two input signals. With each...
6977539 Clock signal generators having programmable full-period clock skew control and methods of generating clock signals having programmable skews  
Clock signal generators include an integrated circuit chip having a PLL-based or DLL-based clock driver therein. The clock driver is configured to support generation of a plurality of clock signals...
6914472 Phase modulating system  
Phase modulating systems and methods for modulating the phase of a signal are based on a digital control signal used to select one of a plurality of carriers having different phase angles. In order...
6900679 Digital phase control circuit  
The digital phase control circuit of the present invention is provided with: voltage-controlled delay line VCDL 1 in which differential buffers G 1 -G 10 having a propagation delay time of 160 ps...
6825644 Switching power converter  
A switching power converter including a ring oscillator constructed using a plurality of series connected inverters is utilized to generate a plurality of waveforms. A selection circuit, in...
6765976 Delay-locked loop for differential clock signals  
A significantly more efficient implementation of a DLL for systems using two separate clock signals, whereby a single DLL circuit is used to provide for locking of both clock signals. According to...
6756818 Voltage-controlled delay line with reduced timing errors and jitters  
A voltage controlled delay line having a plurality of delay cells is used to delay a first reference clock by a predetermined delay time to generate an in-phase first delay clock and to delay a...
6717448 Data output method and data output circuit for applying reduced precharge level  
A data output method and data output circuit capable of increasing data output speed by reducing clock power while increasing sensing speed are provided. The data output method includes (a)...
6680636 Method and system for clock cycle measurement and delay offset  
A clock edge placement circuit for implementing source synchronous communication between integrated circuit devices. The clock edge placement circuit includes a delay line having an input to...
6677796 Method and apparatus for implementing precision time delays  
A system and method of implementing precision time delays that provides important and novel improvements over prior techniques of implementing time delays by utilizing a new strategy for selecting...
6628156 Integrated circuit having a timing circuit, and method for adjustment of an output signal from the timing circuit  
An integrated circuit has a timing circuit with a power source and a capacitor. The timing circuit outputs an output signal whose time can be adjusted and which has a switching time delayed with...
6587017 Method and apparatus for calibrated phase-shift networks  
An apparatus comprising a first calibration circuit and a phase shift network stage. The first calibration circuit may be configured to generate a control signal. The phase shift network stage may...
6580301 Method and apparatus for a clock circuit  
An additional clock is delayed from a master clock by 90 degrees to provide needed additional clock edges during a cycle. The need for the additional clock edges arises from the desire to perform a...
6472921 Delivering a fine delay stage for a delay locked loop  
A circuit, for use in a delay locked loop, provides a phase-shifted output relative to a first signal. The circuit includes plural current sources, current source switches that are selectable to...
6411244 Phase startable clock device for a digitizing instrument having deterministic phase error correction  
A phase stable clock circuit includes a phase gate having track-and-hold (T/H) circuits with each T/H circuit receiving a phase shifted continuous sinusoidal signal of predetermined phase and a...
6404255 Phase shift apparatus  
A source ( 20 ) provides an input signal (S 1 ) to be phase shifted and a combining circuit ( 24 ) concurrently combines first (A), second (B) and third (C) intermediate signals derived from the...
6393083 Apparatus and method for hardware implementation of a digital phase shifter  
An apparatus and method for an improved hardware implementation of a digital phase shifter which provides a simplified process for phase correction of digital signals and eliminates the use of a...
6392462 Multiphase clock generator and selector circuit  
A multiphase clock generator includes oscillator, selector circuit and frequency divider circuit. The oscillator generates a first multiphase clock having a first phase difference. The selector...
6388485 Delay-locked loop circuit having master-slave structure  
A delay-locked loop (DLL) circuit having a master-slave structure wherein the DLL circuit includes a master delay loop and a slave stage. The master delay loop delays an external clock signal by a...
6370200 Delay adjusting device and method for plural transmission lines  
In simultaneous transmission of a signal using plural transmission lines, a synchronous cycle is set, plural signals A, B, C and D are simultaneously transmitted to the plural transmission lines,...
6294938 System with DLL  
A system (50) has a shifting delay circuit (60) which provides a variable delay for delaying a source clock and a delay locked loop (DLL) (70) which includes a delay line (72) which provides a...
6255877 Wide range, variable phase shift circuit  
A filter includes an FET and a capacitor in a phase shift network wherein the FET operates as a variable resistor. An impedance multiplier is coupled to the FET for increasing the range of...
6194938 Synchronous integrated clock circuit  
A synchronous integrated circuit clock circuit is disclosed. The clock circuit (200) receives a system clock (CLKX) and in response thereto, generates an internal clock (CLKI) that is shifted...
Matches 1 - 50 out of 263 1 2 3 4 5 6 >