Oscillators inventions 08/08

20080204154 - Method and enhanced phase locked loop circuits for implementing effective testing: A method and enhanced phase-locked loop (PLL) circuit enable effective testing of the PLL. A phase frequency detector generates a differential signal, receiving a reference signal and a feedback signal of an output signal of the PLL circuit. A charge pump is coupled to the phase frequency detector receiving the... Agent: Ibm Corporation RochesterIPLaw Dept 917

20080204150 - Method and system for a fast-switching phase-locked loop using a direct digital frequency synthesizer: Aspects of a method and system for a fast-switching Phase-Locked Loop using a Direct Digital Frequency synthesizer may include generating a second signal from a first signal by: frequency translating an inphase component of the first signal utilizing a filtered fast-switching oscillating signal generated using at least a direct digital... Agent: Mcandrews Held & Malloy, Ltd

20080204151 - Systems and techniques for auto-calibration and fast tuning of voltage controlled oscillators in phase-lock loops: The present invention provides novel systems and techniques for the calibration and fast tuning of VCOs in PLLs. Information for coarse tuning before normal operation are calculated and stored. Therefore, these systems and techniques decrease significantly the time needed for a PLL to transition from one frequency to another. These... Agent: Fish & Richardson P.C.

20080204152 - Ultra-high frequency self-sustaining oscillators, coupled oscillators, voltage-controlled oscillators, and oscillator arrays based on vibrating nanoelectromechanical resonators: A self-sustaining ultra-high frequency oscillator and method enable the ability to oscillate and output a signal. A balanced bridge circuit is utilized to null an embedding background response. A first vibrating nanoelectromechanical (NEMS) beam resonator is part of one of the branches of the balanced bridge circuit and determines the... Agent: Gates & Cooper LLP Howard Hughes Center

20080204153 - Oscillator: Provided is an oscillator including: a MEMS resonator for mechanically vibrating; an output oscillator circuit for oscillating at a resonance frequency of the MEMS resonator to output an oscillation signal; and a MEMS capacitor for changing a capacitance thereof caused by a change in a distance between an anode electrode... Agent: Brinks Hofer Gilson & Lione

20080204156 - Measuring threshold voltage of transistors in a circuit: In one embodiment, the present invention includes an oscillator to generate a first frequency and a second frequency. The oscillator includes a plurality of stage cells, each stage cell including a first transistor of a first polarity and a second transistor of a second polarity, each coupled between a first... Agent: Trop Pruner & Hu, PC

20080204155 - Oscillator devices and methods thereof: Oscillator devices and methods of operating such oscillator devices are disclosed. The oscillator devices include a current source, and an oscillation module to provide a clock signal. The frequency of the clock signal depends on the relationship between a threshold voltage of a transistor at the oscillation module and the... Agent: Larson Newman Abel Polansky & White, LLP

20080204157 - Voltage controlled oscillator, and pll circuit and radio communication apparatus using the same: A voltage controlled oscillator of the present invention comprises a reference voltage generation section 114 for generating a plurality of reference voltage based on a power supply voltage. A first to a third reference voltages Vref1, Vref2, and Vref3 are inputted to a first to a third variable capacitance circuits... Agent: Wenderoth, Lind & Ponack L.L.P.

20080204158 - Apparatus and method for generating a supply voltage-dependent clock signal: An integrated circuit having a logic circuit having logic elements in a signal path having a signal propagation duration, wherein the logic elements have switching times depending on a supply voltage, and having an input for a clock signal, and an oscillator circuit having oscillator elements having switching times depending... Agent: Dickstein Shapiro LLP

20080197931 - Oscillator: The present invention provides an oscillation circuit including: a plurality of multi-stage inverter rings each having an odd number of inverters connected to each other in cascade to form a ring through the same odd number of nodes on the ring; an inverter group for connecting each one of the... Agent: Sonnenschein Nath & Rosenthal LLP

20080197932 - Voltage controlled oscillator: A voltage controlled oscillator that is a differential ring oscillator type voltage controlled oscillator that, by connecting in cascade differential delay elements to which differential clock signals of a mutually reverse phase are input and controlling the current that flows to the differential delay elements by a bias voltage, controls... Agent: Young & Thompson 2nd Floor

20080197934 - Integratable circuit arrangement and integrated circuit: An integratable circuit arrangement is provided having a circuit unit, controllable by means of at least one control voltage, to provide a high-frequency output signal dependent on the at least one control voltage. According to the invention, (a) a clocked DC converter is provided, which is formed to provide at... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20080197933 - Method of eliminating temperature induced band switching in ultra wideband voltage controlled oscillator: A method and a voltage-controlled oscillator provide an output signal with a frequency within one of a plurality of frequency bands, while reducing or eliminating temperature-induced band-switching or other drifts in operating frequency. The band-switching is reduced or eliminated by providing a circuit that adjusts a tuning sensitivity according to... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080191809 - Interleaved voltage controlled oscillator: An interleaved voltage-controlled oscillator (VCO) is disclosed. The VCO includes a ring circuit comprising a series connection of main logic inverter gates, a plurality of delay elements connected in parallel with a selected sequence of the main logic inverter gates, at least one temperature compensation circuit comprising a logic inverter... Agent: Cantor Colburn LLP - Ibm Austin

20080191810 - Frequency tunable arrangement: A frequency tunable arrangement (ICT) comprises a tunable oscillator circuit (TOC) that provides an oscillator signal (OS). A controllable frequency divider circuit (CDIV, DBT1, DBT2, DBT3, MUX) provides a frequency-divided signal (MO) on the basis of the oscillator signal. The frequency-divided signal has a frequency that is equal to the... Agent: Nxp, B.v. Nxp Intellectual Property Department

20080191808 - Layout for a time base: Time base including two oscillators, one of which has a lower frequency than the other, the latter being intermittently set to standby mode, generating according to the same intermittency a first stable time reference (REF) by difference between the frequencies of the two oscillators, a second permanent time reference (RTC)... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080186104 - Interleaved voltage controlled oscillator: An interleaved voltage-controlled oscillator (VCO) is disclosed. The VCO includes a ring circuit comprising a series connection of main logic inverter gates, a plurality of delay elements connected in parallel with a selected sequence of the main logic inverter gates, at least one temperature compensation circuit comprising a logic inverter... Agent: Cantor Colburn LLP - IBM Austin