Oscillators inventions 09/08

20080231381 - Method and system for gennerating noise in a frequency synthesizer: A method and system for generating noise in a frequency synthesizer are provided. The method includes generating a noise portion of an input signal within the frequency synthesizer and appending the noise portion to a control portion of the input signal.... Agent: Brian C. Oakes Tyco Electronics

20080231375 - Method and system for using a frequency locked loop logen in oscillator systems: Aspects of a method and system for using a frequency locked loop LOGEN in oscillator systems may include generating an oscillating signal via one or more circuits comprising a feedback loop. The generation may be controlled by enabling or disabling the feedback loop, based on the generated oscillating signal. The... Agent: Mcandrews Held & Malloy, Ltd

20080231376 - Oscillation circuit controlling phase difference of output signals: A ring oscillation circuit composed of multiple op amps connected in series in a loop configuration is included to output a first output signal by adding multiple output signals of multiple op amps and to output a second output signal by adding all remaining output signals of multiple op amps.... Agent: Osha Liang L.L.P.

20080231377 - Random number generator based on oscillator noise: Embodiments of the invention are generally directed to systems, methods, and apparatuses for a random number generator (RNG) based on oscillator noise. In some embodiments, the RNG buffers effects of thermal noise from two independent oscillators impacted by effects of pseudo-stochastic processes and separates thermal noise from other effects. The... Agent: Intel Corporation C/o Intellevate, LLC

20080231379 - Injection locker frequency divider: An injection locked frequency divider includes a ring oscillator, a first injection unit and a second injection unit. The ring oscillator includes a first delay cell and a second delay cell each including differential input terminals and differential output terminals. The differential input terminals and the differential output terminals of... Agent: Bacon & Thomas, PLLC

20080231378 - Ring oscillator with ultra-wide frequency tuning range: Methods and systems for tuning an oscillator are disclosed and may comprise dividing a desired frequency range of a delay-cell based ring oscillator into segments, and tuning the delay-cell based ring oscillator over an ultra-wide frequency range by utilizing these divided segments. The enabled segment may determine the frequency range... Agent: Mcandrews Held & Malloy, Ltd

20080231380 - Magnetron oscillator: A magnetron (2), a launcher (4) which extracts the output power of the magnetron (2), an impedance generator (5) having one terminal connected to the output terminal of the launcher (4), and a reference signal supplier (6) connected to the other terminal of the impedance generator (5) are included. The... Agent: Blakely Sokoloff Taylor & Zafman

20080231382 - Split-blased interpolated voltage-controlled oscillator and phase locked loop: A voltage-controlled oscillator (VCO) of ring-connected stages, where each stage in the VCO has a first set of differential inverters biased by variable bias voltages, and a second set of differential inverters biased by fixed bias voltages. The differential inverters in each stage are connected in parallel with each other.... Agent: Seth Kalson C/o Intellevate, LLC

20080231383 - Origami cascaded topology for analog and mixed-signal applications: The present disclosure relates to coupled circuits and methods of coupling circuits having a power supply wherein a plurality of transistors are inductively coupled directly to the power supply for providing a single DC supply voltage directly to each of the plurality of transistors, and wherein a plurality of transformers... Agent: Ladas & Parry

20080231384 - Frequency tunable oscillator: There is provided a frequency tunable oscillator that has less degradation of oscillation characteristics due to a parasitic reactance component or the like without mounting therein a lumped constant element such as a variable capacitance element. The frequency tunable oscillator includes a negative resistance element and a resonator which together... Agent: Fitzpatrick Cella Harper & Scinto

20080231385 - Oscillator based on piezoresistive resonators: An oscillator circuit has a first and a second piezoresistive resonator (1,2), each having a resonant frequency, each piezoresistive resonator having an input for driving the resonator, and each piezoresistive resonator having its input coupled directly to an output of the other of the resonators, to provide feedback according to... Agent: Nxp, B.v. Nxp Intellectual Property Department

20080231386 - Oscillation circuit and the method for using the same:

20080224782 - Frequency jittering control circuit and method for using the same: A frequency jittering control circuit wherein by means of the characteristics of a PLL whose input switches between different frequencies, the output frequency of the PLL swings between the different frequencies to achieve the desired frequency jittering.... Agent: Tung & Associates

20080224783 - Ultrasonic operation apparatus for detecting initial resonance frequency and for shifting to pll operation: In an ultrasonic operation apparatus according to the present invention, in order to detect the initial resonance frequency (Fro) promptly once a foot switch is pressed, under the control of a sweeping speed control circuit, the D/A converter D/A converts 8-bits of signals (phase difference amount signal Δθ) representing the... Agent: Scully Scott Murphy & Presser, PC

20080224784 - Method for reducing inter modulation distortion products of a combined carrier wave using phase alignment of the carrier components: A method is provided for reducing inter modulation distortion products using multi-carrier phase alignment of the type where a combined carrier signal is generated from the combined output carried waves of a plurality of numerically controlled oscillators in which the frequency of the carrier wave can be altered by changing... Agent: Ade & Company Inc.

20080224786 - Apparatus and method for temperature compensating an ovenized oscillator: An oscillator assembly includes an oscillator circuit that is configured to generate a frequency signal. A temperature compensation circuit is in communication with the oscillator circuit and adapted to adjust the frequency signal in response to changes in temperature. The oscillator and temperature compensation circuits are located within an oven.... Agent: Daniel J. Deneufbourg Cts Corporation

20080224785 - Temperature tracking oscillator circuit: A temperature-dependent oscillator includes a first current source, wherein a first current provided by the first current source has a positive temperature coefficient, a second current source serially connected to the first current source, wherein a second current provided by the second current source has a negative temperature coefficient, and... Agent: Slater & Matsil, L.L.P.

20080224787 - Acceleration feedback control for crystal oscillators: Methods and apparatus for controlling frequency in a crystal oscillator are provided that allows for continued reception of GPS signal solution in a continuous high G environment. One method comprises measuring G-forces asserted on the crystal oscillator, determining a shift in frequency of the crystal oscillator due to the measured... Agent: Honeywell International Inc.

20080218282 - Hybrid stochastic gradient based digitally controlled oscillator gain kdco estimation: A novel hybrid stochastic gradient adaptation apparatus and method for calibrating the gain of an RF or non-RF digitally controlled oscillator (DCO). The adaptation algorithm determines a true stochastic gradient between a forcing function and its corresponding system measure to estimate the system parameters being adapted. A momentum term is... Agent: Texas Instruments Incorporated

20080218274 - Phase locked loop and delay locked loop with chopper stabilized phase offset: A control circuit includes a phase frequency detector that receives a reference phase ΦREF (signal) as an input and a feedback phase ΦFBK (signal) as control feedback. A voltage controlled oscillator is in electrical communication with the phase frequency detector. The VCO provides an output and the feedback phase ΦFBK... Agent: Panitch Schwarze Belisario & Nadel LLP

20080218275 - Systems and arrangements for operating a phase locked loop: Systems, methods and media for a fast locking phase locked loop (FLPLL) are disclosed. A FLPLL apparatus can include a voltage controlled oscillator (VCO) coupled to a phase frequency detector and can also include a frequency divider as part of a feedback loop. The VCO can accept a pull up... Agent: Schubert, Osterrieder & Nickelson, Pllc C/o Intellevate, Llc

20080218277 - Apparatus and method for operating a phase-locked loop circuit: An apparatus and method for operating a phase-locked loop circuit are disclosed. The phase locked loop circuit includes a plurality of resistive elements and a plurality of capacitive elements that are distributed in a charge pump, a loop filter and a voltage controlled oscillator. The plurality of resistive elements have... Agent: O2micro Inc C/o Murabito, Hao & Barnes LLP

20080218276 - Means to control pll phase slew rate: A charge pump includes a multitude of current sources and current sinks adapted to supply current to or discharge current from a loop filter. The paths between current sources/sinks and the loop filter are selectively activated or deactivated to enable current to flow from the current source(s) to the loop... Agent: Townsend And Townsend And Crew, LLP

20080218278 - Means to control pll phase slew rate: A charge pump includes a multitude of current sources and current sinks adapted to supply current to or discharge current from a loop filter. The paths between current sources/sinks and the loop filter are selectively activated or deactivated to enable current to flow from the current source(s) to the loop... Agent: Townsend And Townsend And Crew, LLP

20080218279 - Crystal oscillator temperature control and compensation: Crystal oscillator control and calibration is disclosed. Temperature and frequency control circuits included on a printed circuit board (PCB) comprising a crystal oscillator are used to determine, for each of a plurality of set points in a range of sensed internal temperatures sensed by an internal temperature sensing circuit or... Agent: Van Pelt, Yi & James LLP

20080218280 - Differential oscillator device with pulsed power supply, and related driving method: The present invention concerns a differential oscillator device, comprising resonant electronic means, capable to provide on at least two terminals at least one oscillating signal VOUT, which comprises a generator electronic means capable to supply at least one power supply pulsed signal to said resonant electronic means in phase relation... Agent: Roberts Mlotkowski Safran & Cole, P.c.

20080218281 - Anodically bonded cell, method for making same and systems incorporating same: A cell suitable for use with an atomic clock and a method for making the same, the cell including: a silicon wafer having a recess formed therein; at least one amorphous silicate member having an ion mobility and temperature expansion coefficient approximately that of silicon sealing the recess; and, an... Agent: Patent Docket Administrator Lowenstein Sandler P.c.

20080218283 - Triangular wave generating circuit, and charging and discharging control circuit: A triangular wave generating circuit capable of reducing a time lag between the time of input of a discharging start signal and the time of start of actual discharging is provided. A charging and discharging circuit of the triangular wave oscillation circuit includes: an inverter circuit; a discharging reference potential... Agent: Bruce L. Adams, Esq Adams & Wilks

20080211588 - Phase error cancellation: A noise cancellation signal is generated for a fractional-N phase-locked loop (200). A divide value is provided to a first delta sigma modulator circuit (203), which generates a divide control signal to control a divide value of a feedback divider (208) in the phase-locked loop. An error term (e) is... Agent: Zagorin O'brien Graham LLP

20080211589 - Phase locked loop circuit including digital voltage-controlled oscillator, ring oscillator and selector: A PLL circuit includes a polyphase reference clock output circuit, which outputs multiple reference clocks, each clock being of different phase. The PLL circuit further includes a digital voltage controlled oscillator, which, using any one of the multiple reference clocks chosen as an operating clock, outputs an output clock whose... Agent: Mcginn Intellectual Property Law Group, PLLC

20080211590 - Method and system for a varactor-tuned voltage-controlled ring oscillator with frequency and amplitude calibration: Aspects of a method and system for a varactor-tuned voltage-controlled ring oscillator with frequency and amplitude calibration may include generating in a voltage controlled ring oscillator, an oscillating signal using delay cells, wherein each delay cell may comprise varactors and variable resistors. The frequency of the generated oscillating signal may... Agent: Mcandrews Held & Malloy, Ltd

20080211591 - Oscillatory signal output circuit for capacitive coupling an oscillating signal with bias voltage applied: Oscillatory signal output circuitry includes a bias circuit generating a bias voltage, which is applied to an amplifier and an oscillatory circuit to generate an oscillatory signal. The oscillatory signal is capacitively coupled and level-shifted up by the bias voltage to produce output signals. The produced output signals are operatively... Agent: Studebaker & Brackett PC

20080211592 - Drive circuit for a voltage controlled differential oscillator: A drive circuit for a voltage controlled differential oscillator using a negative resistance circuit for driving the resonator circuit of the voltage controlled differential oscillator. Opposite sides of the resonator circuit are connected to the negative resistance circuit with respective coupling capacitors so as to provide DC isolation between the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080211593 - Oscillation circuit: Provided is an oscillation circuit capable of obtaining a plurality of oscillation frequencies using a single oscillation resonator. The oscillation circuit includes the oscillation resonator, an oscillation inverter, a dumping resister connected between an output of the oscillation inverter and an output terminal, a feedback resistor connected with input and... Agent: Bruce L. Adams, Esq Adams & Wilks