Oscillators inventions 12/08

20080315959 - low power all digital pll architecture: A new all digital PLL (ADPLL) circuit and architecture and the corresponding method of implementation are provided. The ADPLL processes an integer and a fractional part of the phase signal separately, and achieves power reduction by disabling circuitry along the integer processing path of the circuit when the ADPLL loop... Agent: Texas Instruments Incorporated

20080315960 - Digital phase locked loop with gear shifting: An embodiment of the present invention provides a phase locked loop that operates on clock signals derived from an RF clock signal generated by the phase locked loop. A frequency reference input provides a reference clock. A controllable oscillator generates the RF clock signal. A phase detection circuit operates on... Agent: Texas Instruments Incorporated

20080315958 - Phase-locked loop circuit, phase-locked loop control apparatus, and phase-locked loop control method: According to one embodiment, a phase-locked loop circuit comprises a phase difference detection unit which detects a phase error between a reproduced binary data and extracted clock and generates phase error pulse signals each having an amplitude corresponding to the phase error, a phase sifter sensitivity adjusting unit which generates... Agent: Knobbe Martens Olson & Bear LLP

20080315961 - Quality of phase lock and loss of lock detector: A system, apparatus and method for providing phase lock conditions detection such as a quality of phase lock and loss of lock detection. A phase locked loop (PLL) circuit may comprise an oscillator for providing an output frequency, as well as a detector for detecting the output frequency of the... Agent: Thelen LLP

20080315962 - Apparatus for providing oscillator frequency stability: An apparatus for providing oscillator frequency stability is disclosed. The apparatus includes an internally ovenized oscillator module having an oscillator and an inner heater to maintain the oscillator at a first temperature during operation. The apparatus also includes a thermally conductive cover for forming a first compartment to contain the... Agent: Motorola, Inc.

20080315963 - Direct digital interpolative synthesis: A clock synthesis circuit includes a delta sigma modulator that receives a divide ratio and generates an integer portion and a digital quantization error (a fractional portion). A fractional-N divider divides a received signal according to a divide control value corresponding to the integer portion and generates a divided signal.... Agent: Zagorin O'brien Graham LLP

20080315964 - Voltage controlled oscillator using tunable active inductor: A tunable active inductor and a voltage controlled oscillator (VCO) are provided. The tunable active inductor includes a first current source coupled to a power source, a first metal-oxide semiconductor (MOS) transistor including a drain coupled to the first current source and a gate coupled to a first bias voltage,... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080315965 - Third overtone crystal oscillator: A third overtone crystal oscillator has an oscillator IC and a crystal element accommodated in a container. The IC includes transistor grounded at its emitter, a first capacitor connected to the base of the transistor via a DC blocking capacitor and to the ground potential, and a second capacitor connected... Agent: Knobbe Martens Olson & Bear LLP

20080315966 - Oscillator: An oscillation circuit induces a first inverter, a second inverter, a first inductive load, a second inductive load and a capacitive load. A first inverter and a second inverter receive a first signal and a second signal, and invert the first and the second signal to output a first inverted... Agent: Workman Nydegger 1000 Eagle Gate Tower

20080309420 - Fractional divider: A divider control circuit includes a first and a second delta sigma modulator configured to generate a divider control signal for a fractional-N divider and a fractional signal indicative of a phase error in the divider output. The fractional signal is supplied for control of an interpolator circuit. The divider... Agent: Zagorin O'brien Graham LLP

20080309421 - Phase locked loop with two-step control: A phase locked loop has a digitally controlled oscillator (DCO) for generating a DCO output signal (fOSC), a clock divider coupled to the DCO and receiving the DCO output signal and outputting a feedback clock signal (fN), and a phase frequency detector (PFD) coupled to the DCO and controlling the... Agent: Texas Instruments Incorporated

20080309414 - Voltage controlled oscillator and phase locked loop circuit incorporating the same: A voltage controlled oscillator includes a ring oscillator configured by connecting invertors, each of the invertors including a first and a second transistors, an operational amplifier to obtain an amplified signal, third transistors inserted between the first transistors and a first power supply, and is gate-controlled by the amplified signal,... Agent: Amin, Turocy & Calvin, LLP

20080309415 - High-frequency oscillator and electronic apparatus: In a high-frequency oscillator, a first resonance circuit and a second resonance circuit are respectively connected to a first amplifier circuit and a second amplifier circuit. A selection circuit includes a first switch circuit and a second switch circuit which selectively operate one of the first amplifier circuit and the... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20080309417 - Ring oscillator: A ring oscillator comprises a first logic block having a first input connected to a specific point along a delay path, a first output and a second output and a second logic block having a first input connected to the first output of the first logic block, a second input... Agent: Greenblum & Bernstein, P.L.C

20080309416 - Wide range interpolative voltage controlled oscillator: Systems and methods for increasing the frequency range of an output signal generated by a VCO, where one or more variable delay units are incorporated into an interpolative VCO to decrease the minimum frequency at which the VCO oscillates. In one embodiment, the VCO includes a ring of serially connected... Agent: Law Offices Of Mark L. Berrier

20080309418 - Bonding-type surface-mount crystal oscillator: A crystal oscillator has: a crystal unit having a container body in which a crystal blank is housed and hermetically sealed; and a mounting substrate that houses an IC chip having at least an integrated oscillating circuit that uses the crystal unit. External terminals are formed as protrusions at four... Agent: Fitch, Even, Tabin & Flannery

20080309419 - Voltage controlled oscillator capable of tuning negative resistance: Provided is a voltage controlled oscillator having a new type of a resonator and a negative resistance part capable of finely tuning negative resistance. Thus, the voltage controlled oscillator has an excellent quality factor characteristic and can finely tune the negative resistance even after its fabrication is completed. The voltage... Agent: Ladas & Parry LLP

20080309422 - Oscillator: An oscillator according to the present invention includes: an active element that oscillates at a predetermined frequency to output a signal of the predetermined frequency; and an impedance element having an impedance that is lower at a frequency lower than the predetermined frequency than at the predetermined frequency, the active... Agent: Reed Smith LLP

20080309423 - Voltage control oscillator and oscillation control system: A voltage control oscillator has a first MOS transistor having one end connected to a first potential; a second MOS transistor having one end connected to the first potential, a gate connected to an other end of the first MOS transistor, and an other end connected to a gate of... Agent: Foley And Lardner LLP Suite 500

20080309424 - Digital tuning of crystal oscillators: Embodiments feature techniques and systems for digitally tuning a crystal oscillator circuit. In one aspect, embodiments feature a method for making a digitally tuned crystal oscillator circuit. The method involves receiving a multi-bit input signal into a digital modulator, modulating the multi-bit input signal with the digital modulator by oversampling... Agent: Fish & Richardson P.C.

20080303599 - Semiconductor device: There is provided a PLL circuit 15, a voltage follower 19, and an output terminal 23, and a control voltage V1 of a voltage controlled oscillator circuit in the PLL circuit 15 is outputted to the output terminal 23 via the voltage follower 19.... Agent: Sughrue Mion, PLLC

20080303603 - Semiconductor integrated circuit device: A semiconductor integrated circuit device includes a voltage controlled oscillator which controls a bias current or an oscillation frequency to supply an output signal, a phase-locked loop circuit which supplies a frequency control signal based on the output signal supplied from the voltage controlled oscillator, a peak detection circuit which... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080303600 - Dynamic ring oscillators: A dynamic oscillating ring circuit is described, which has multiple non-inverting domino circuits, each having a signal input, a trigger input, inputs for charge state clock and clocked cutoff and an output inverter. A number of the domino circuits are coupled in series, the output of one feeding the input... Agent: Transmeta C/o Murabito, Hao & Barnes LLP

20080303601 - Reference oscillator and its use: A reference clock circuit (170), has a low-power mode, in which the frequency consumption is reduced, and including an internal counter, accumulating time spent in low-power mode. The circuit includes a crystal resonator (60), an oscillator circuit (70), and a temperature compensation circuit (80), providing a stable clock output (85).... Agent: Foley And Lardner LLP Suite 500

20080303602 - Infinite radio frequency spectrum transceiver: The present invention “Infinite Radio Frequency Spectrum Transceiver” (IRFS for short) relates to a circuit that emits and receives the complete radio frequency spectrum transmission as it exists from 0 hertz to the region where radio frequency ends to j the infrared. Such a circuit causes infinite bandwidth output gain... Agent: John Mecca

20080297263 - Filter-based lock-in circuits for pll and fast system startup: All embodiments of the present invention basically include an upper transistor and a lower transistor connected in series between a power supply and ground. The upper transistor and the lower transistor have a shared source (or drain) terminal which becomes a single bidirectional node. They further comprise a sensing gate... Agent: Kieun Park Dba Ana Semiconductor

20080297265 - 4less-tsoc of xlc, qbxock, qbtcxo, qbvcxo, smldvr and anlvco or 4free-tsoc of xlc, qbxock, qbtcxo, qbvcxo, smldvr and anlkvco: Even the 4Less-Xtaless, Capless, Indless, Dioless TSOC Design of SOC or 4Free-Xtafree, Capfree, Indfree, Diofree TSOC Design of SOC is developed for the TSOC True System-On-Chip, the 4Less/4Free technologies can still be applied to the conventional XCLK, PMU, etc chip design to have the drastically fantastical improvements over the conventional... Agent: Min Ming Tarng, Ph.d.

20080297264 - Oscillating circuit: An oscillating circuit includes an analog oscillation element. The oscillating circuit includes at least one analog-to-digital conversion device. A method is for operating an oscillating circuit, in which a mechanical oscillator oscillates at a natural frequency. The oscillation amplitude is measured and digitized. A digital control signal is generated from... Agent: Kenyon & Kenyon LLP

20080297266 - Oscillator with coupled amplifier: An oscillator including a resonator with at least one first tuneable element, with which a resonant frequency of the resonator can be varied. The oscillator further includes an amplifier, which provides an amplification element, connected to the resonator at a coupling position. The amplifier provides a second tuneable element, by... Agent: Ditthavong Mori & Steiner, P.C.

20080297267 - Voltage controlled oscillator circuit and a method for configuring a voltage controlled oscillator circuit: The voltage controlled oscillator (VCO) circuit comprises a tank circuit, a first tuning section comprising first capacitor elements wherein each one of the first capacitor elements is individually utilizable for the tank circuit, and a second tuning section comprising second capacitor elements wherein each one of the second capacitor elements... Agent: Lee & Hayes, PLLC

20080297268 - Temperature-compensated crystal oscillator and temperature compensation method for oscillator: A temperature-compensated crystal oscillator includes an oscillation circuit including an oscillator, a temperature detector, a voltage variable capacitance element coupled to an oscillation loop of the oscillation circuit, and a temperature compensation circuit. The temperature compensation circuit is configured to apply a compensation voltage to the voltage variable capacitance element... Agent: Frommer Lawrence & Haug LLP