Oscillators inventions 07/08

20080180180 - Frequency synthesizer and method for operating a frequency synthesizer: A frequency synthesizer, especially for use with a time-base generator of a fill-level meter employing the radar principle is designed to output a first frequency signal and a second frequency signal at mutually slightly different frequencies. The synthesizer incorporates a reference oscillator operating at a reference frequency and a control... Agent: Cesari And Mckenna, LLP

20080180181 - Novel design and method for multi-phase ring oscillator: An apparatus for generating multi-phase clock signals with a ring oscillator is provided, including a first stage phase-blender module and a second stage phase-blender module. The first stage phase-blender module further includes a plurality of differential OP phase-blender circuits. Each differential blender circuit has two signal inputs, and an output... Agent: Lin & Associates Intellectual Property, Inc.

20080180182 - Delay unit: The present invention is related to a delay unit, and more particularly to a delay unit with respect to delay an input signal. The delay unit comprises a ring oscillator and a counter. The ring oscillator receives an input signal and generates a clock signal. The counter connects to the... Agent: Rosenberg, Klein & Lee

20080180183 - Oscillator: An oscillator, includes: an amplifier circuit including a semiconductor element having a first constant potential as reference potential for a power supply voltage; a variable capacitance element; a piezoelectric resonator; and a capacitance circuit constituting a closed circuit with the piezoelectric resonator. The amplifier circuit and the variable capacitance element... Agent: Harness, Dickey & Pierce, P.L.C

20080180184 - Oscillator: An oscillator includes a first oscillating portion that outputs a first oscillation signal having a first oscillation frequency through a first intermediate node to an output terminal, a mounting portion that includes an insulating layer and that mounts the first oscillating portion, a first line provided in the insulating layer... Agent: Arent Fox LLP

20080180185 - Vco amplitude control: Disclosed are circuits and methods to control the amplitude of a signal generated by a VCO.... Agent: Intel Corporation C/o Intellevate, LLC

20080180186 - Piezoelectric oscillator and method for manufacturing the same: A method for manufacturing a piezoelectric oscillator includes the steps of: forming a first semiconductor layer above a substrate; forming a second semiconductor layer above the first semiconductor layer; forming a first opening section that exposes the substrate by removing the second semiconductor layer and the first semiconductor layer in... Agent: Harness, Dickey & Pierce, P.L.C

20080180187 - Systems and methods for reducing circuit area: Methods and systems are provided for reducing circuit area. Some embodiments provide electronic devices including an inductor formed from a path having two ends that loops substantially in a plane around a center area, wherein the path crosses itself at least two points and wherein the path defines an outer... Agent: Wilmerhale/columbia University

20080174373 - Methods and apparatus for dynamic frequency scaling of phase locked loops for microprocessors: A phase-locked loop employing a plurality of oscillator complexes is disclosed. The phase-locked loop includes a clock output and a plurality of oscillator complexes operable to generate output signals. The phase-locked loop further includes control logic which is configured to selectively couple an output signal of one of the plurality... Agent: Qualcomm Incorporated

20080174374 - Crystal reference clock and radio localization receiver: Device and method for temperature compensation in a clock oscillator using quartz crystals, which integrates dual crystal oscillators. The minimal power consumption is achieved through an efficient use of a processor in charge of the synchronisation of the two oscillators. The invention is particularly adapted for the provision of a... Agent: Foley And Lardner LLP Suite 500

20080174375 - Voltage-controlled oscillator and communication device using the same: The present invention provides a voltage-controlled oscillator operating from microwave frequencies to millimeter wave frequencies, which is capable of outputting a large power with an output impedance thereof being set up to a predetermined level at low power consumption, and a communication device using the same. The voltage-controlled oscillator includes:... Agent: Miles & Stockbridge Pc

20080174376 - Voltage-controlled oscillator decreasing phase noise: A voltage-controlled oscillator includes an LC bank, a negative resistor circuit, a DC block, an AC block including a source resistor, and a first bias circuit controlled by a junction node of a first and second transistor, wherein the first bias circuit provides a first feedback voltage to a first... Agent: Cantor Colburn, LLP

20080174377 - Third overtone crystal oscillator: A third overtone crystal oscillator includes an oscillator IC and a crystal element. The oscillator IC has an emitter-grounded transistor for oscillation, 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 between the collector... Agent: Cantor Colburn, LLP

20080174378 - Method of adjusting the resonance frequency of an l-c resonant circuit and resonant circuit: An L-C resonant circuit with an adjustable resonance frequency, having a capacitor and a first inductor electrically coupled together and a second inductor magnetically coupled to the first inductor. Additionally, there is a control circuit to sense a signal representing a first current flowing through the first inductor and to... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.a.

20080174379 - Switch capacitance and varactor banks applied to voltage controlled oscillator having constant frequency tuning sensitivity: A variable capacitance applied to a voltage controlled oscillator includes a switch capacitance bank including a plurality of controllable capacitor paths for selectively connected between a first node and a second node in parallel; and, a switch variactor bank including a plurality of controllable variactor paths for selectively connected between... Agent: Kirton And Mcconkie

20080164950 - Structure for improved cuttent controlled oscillation device and method having wide frequency change: A design structure embodied in a machine readable medium used in a design process includes a current controlled, phase locked loop device having a phase detector configured to compare a reference frequency to an output frequency of a current controlled oscillator (ICO), a charge pump coupled to the phase detector... Agent: Cantor Colburn LLP-ibm Burlington

20080164951 - Frequency synthesizer and method for operating a frequency synthesizer: A frequency synthesizer, especially for use with a time-base generator of a fill-level meter employing the radar principle is designed to output a first frequency signal and a second frequency signal at mutually slightly different frequencies. The synthesizer incorporates a reference oscillator operating at a reference frequency and a control... Agent: Cesari And Mckenna, LLP

20080164957 - Frequency-tunable oscillator arrangement: A frequency-tunable arrangement comprises a resonance circuit (RS) having a capacitive part (C1, C2, Cv1, Cv2) that is tunable throughout a capacitance range. A plurality of amplifiers (AB, AS1, AS2, AS3) is coupled to the resonance circuit so as to form an oscillation loop. At least one of the amplifiers... Agent: Nxp, B.v. Nxp Intellectual Property Department

20080164953 - Frequency and/or phase compensated microelectromechanical oscillator: There are many inventions described and illustrated herein. In one aspect, the present invention is directed to a compensated microelectromechanical oscillator, having a microelectromechanical resonator that generates an output signal and frequency adjustment circuitry, coupled to the microelectromechanical resonator to receive the output signal of the microelectromechanical resonator and, in... Agent: Neil Steinberg Steinberg & Whitt, LLP

20080164952 - System and method for providing temperature correction in a crystal oscillator: A system and method for providing temperature compensation in a oscillator component (such as a crystal oscillator component) that includes a closely-located temperature sensing device. The crystal oscillator component in example systems and methods is exposed to a temperature profile during a calibration procedure. Temperature and frequency data are collected... Agent: The Eclipse Group

20080164956 - Method and apparatus to facilitate the provision and use of a plurality of varactors with a plurality of switches: A plurality of varactors are coupled via a first electrode to a shared terminal that in turn can operably couple to a source of control voltage. A second electrode for each varactor couples to a corresponding switch, where each switch couples to at least two different voltage levels. So configured,... Agent: Motorola, Inc.

20080164955 - Voltage controlled oscillator circuits and methods using variable capacitance degeneration for increased tuning range: Voltage controlled oscillator circuits are provided in which variable capacitance degeneration is employed to provide increased tuning ranges and output amplitudes for VCO circuits for millimeter wave applications... Agent: Frank V. Derosa, Esq. F. Chau & Associates, LLC

20080164954 - Voltage controlled oscillator for controlling phase noise and method using the same: A voltage controlled oscillator (VCO) includes a VCO unit having multiple VCO unit output terminals and an amplifier having multiple amplifier output terminals respectively connected to the VCO unit output terminals. The VCO unit generates first output signals having an oscillation frequency corresponding to a supply voltage. The amplifier amplifies... Agent: Volentine & Whitt PLLC

20080157889 - Voltage controlled oscillator for maintaining stable oscillation frequency against fluctuation of power supply voltage: A voltage controlled oscillator includes an L-C tank circuit configured to have a first capacitance that increases as a power supply voltage increases, and a capacitance compensation circuit configured to be connected in parallel with both terminals of the L-C tank circuit and to have a second capacitance that decreases... Agent: F. Chau & Associates, Llc

20080157888 - Voltage tune probe, an integrated circuit and a phase locked loop having a voltage tune probe, and a method of screening an integrated circuit employing a phase locked loop thereof: An integrated circuit, a phase locked loop, a voltage tune probe and a method of screening an integrated circuit employing a phase locked loop thereof. In one embodiment, the integrated circuit includes: (1) an input/output port configured to provide an external interface for the integrated circuit, (2) a phase locked... Agent: Texas Instruments Incorporated

20080157877 - Automated real-time frequency band selection circuit for use with a voltage controlled oscillator: An integrated circuit including a phase-locked loop (PLL) circuit responsive to a voltage controlled oscillator (VCO) frequency band selection circuit that provides automatic frequency band selection in real time to account for run-time variations, such as power supply and temperature variations over time. The PLL includes a charge pump and... Agent: Downs Rachlin Martin Pllc

20080157878 - Voltage-controlled oscillator having independent output frequency and amplitude: In one embodiment, a voltage-controlled oscillator is provided having an output signal whose frequency is responsive to a tuning signal and is independent of amplitude of oscillation. The voltage-controlled oscillator includes: a plurality of differential inverter stages coupled to form a loop, each differential inverter stage having a differential pair... Agent: Macpherson Kwok Chen & Heid LLP

20080157879 - Decreasing frequency synthesizer lock time for a phase locked loop: In an embodiment, a phase locked loop in which leakage current provided to a loop filter of the phase locked loop is adaptive during a calibration procedure involving more than one lock period. In some embodiments, a controller reads the leakage current from a look-up table. For some embodiments, reading... Agent: Seth Kalson C/o Intellevate, Llc

20080157880 - Temperature compensated loop filter: Disclosed herein are embodiments of a temperature compensating solution to reduce changes in PLL damping factor that would otherwise occur with changes in temperature.... Agent: Intel/blakely

20080157882 - Automatic frequency calibration: Disclosed is a system and method for providing an oscillating signal of relatively precise frequency without using a signal provided by a crystal as a reference. Disclosed is a feedback oscillator circuit configured to output an oscillating signal having a frequency defined by a reference signal. The oscillating signal can... Agent: Apple C/o Morrison And Foerster ,llp Los Angeles

20080157881 - Digitally controlled analog frequency synthesizer: A frequency synthesizer according to the present invention digitally controls an analog oscillator to generate an analog output signal at a desired frequency. A digitizing circuit converts a feedback signal derived from the oscillator output signal to a digitized multi-phase feedback signal. A comparator compares the digitized multi-phase feedback signal... Agent: Coats & Bennett, Pllc

20080157883 - Local oscillation generator with mixer having reduced signal power consumption: According to one exemplary embodiment, a local oscillation generator includes a mixing stage for receiving a primary frequency and one of a number of related frequencies. The local oscillation generator further includes a first transconductance stage to provide a first related frequency to the mixing stage when a first switch... Agent: Farjami & Farjami LLP

20080157884 - Adaptive frequency calibration device of frequency synthesizer: An adaptive frequency calibration unit employing an N-target algorithm for a high speed automatic frequency calibration for CDMA application is provided. The adaptive frequency calibration device calibrating a frequency of a voltage controlled oscillator (VCO) bank of a phase-locked loop (PLL), the adaptive frequency calibration device includes: a reference frequency... Agent: Cantor Colburn, LLP

20080157885 - Surface-mount crystal oscillator: The crystal oscillator has a configuration where circuit elements including a crystal unit are arranged on a mounting board comprising external terminals, opening end faces of a concave metal cover are made to touch the surface of the mounting board, clearances from the opening end faces are comprised in the... Agent: Schwegman, Lundberg, Woessner & Kluth, P.a.

20080157886 - Oscillator: An oscillator includes: oscillation units (11 through 1n) outputting oscillation signals of different frequencies; a transmission line (15) to which outputs of the oscillation units (11, 12) are connected, the transmission line having a characteristic impedance corresponding to an output impedance of an output terminal (Tout); and a low-pass filter... Agent: Arent Fox LLP

20080157887 - Optical pumping device and method: A method for optical pumping of particles and a device for implementing same. The particles (14) are changed from one long lifetime level to another long lifetime level via a short lifetime level by means of interaction with light radiation (16) emitted by a laser source. Prior to this interaction,... Agent: Nexsen Pruet, Llc

20080157890 - Oscillator: The present invention is an oscillator including: first transistors outputting oscillation signals of different oscillation frequencies to collectors; a common node to which outputs of emitters of the first transistors are connected and input; a feedback circuit feeding an output of the common node to bases of the first transistors;... Agent: Arent Fox LLP

20080157892 - Oscillator: The present invention is an oscillator including: a first resonance circuit including a first variable capacitance diode having a cathode connected to a control terminal, a first capacitor and a first inductor connected between an anode of the first variable capacitance diode and ground; a second resonance circuit including a... Agent: Arent Fox LLP

20080157891 - Oscillator with darlington nodes: A voltage-controlled oscillator has a resonance tank core providing a voltage-dependent resonance frequency, switching units connected with the resonance tank core for changing output voltage levels of the oscillator with a frequency corresponding to the resonance frequency of the resonance tank core. At least two of the switching units have... Agent: Edell , Shapiro & Finnan , Llc

20080157893 - Noise reduction within an electronic device using automatic frequency modulation: Disclosed is a system and method for providing an oscillating signal of relatively precise frequency without using a signal provided by a crystal as a reference. Disclosed is a feedback oscillator circuit configured to output an oscillating signal having a frequency defined by a reference signal. The oscillating signal can... Agent: Apple C/o Morrison And Foerster ,llp Los Angeles