Match Document Document Title
US20140285272 Computer Aided Fabrication Systems  
A technique for implementing an clock tree distribution network having a clock buffer and a plurality of LC tanks that each take into \consideration local capacitance distributions and conductor...
US20110273238 OVEN CONTROLLED CRYSTAL OSCILLATOR  
An oven controlled crystal oscillator includes a thermostatic bath, an inner circuit board, an outer circuit board, a heating element, and a temperature sensor. The inner circuit board is...
US20120105163 RESONATOR DEVICE AND METHOD OF OPTIMIZING A Q-FACTOR  
A resonator device (200) comprises a base (206) comprising an anchor (204) and a vibration unit (212) connected to the anchor (204). The vibration unit (212) is configured to have a first...
US20150042408 SURFACE ACOUSTIC WAVE RESONATOR, SURFACE ACOUSTIC WAVE OSCILLATOR, AND ELECTRONIC INSTRUMENT  
A SAW resonator which, using a quartz crystal substrate with Euler angles (−1.5°≦φ≦1.5°, 117°≦θ≦142°, and 41.9°≦|ψ|≦49.57°, includes an IDT that excites a stop band upper end mode SAW, and an...
US20120212301 SURFACE ACOUSTIC WAVE RESONATOR, SURFACE ACOUSTIC WAVE OSCILLATOR, AND ELECTRONIC INSTRUMENT  
A SAW resonator which, using a quartz crystal substrate with Euler angles (−1.5°≦φ≦1.5°, 117°≦θ≦142°, and 41.9°≦|ψ|≦49.57°), includes an IDT that excites a stop band upper end mode SAW, and an...
US20140266472 TEMPERATURE COMPENSATED PLL CALIBRATION  
In some embodiments, provided are AFC circuits and methods for calibrating a second setting of an oscillator while a first setting is controlled by a temperature compensated control.
US20100033256 COLD ATOM MICRO PRIMARY STANDARD  
An atomic clock having a physics package that includes a vacuum chamber cavity that holds atoms of Rb-87 under high vacuum conditions, an optical bench having a single laser light source, a local...
US20150042244 HF Resonator and Particle Accelerator with HF Resonator  
An HF resonator has a cylindrical cavity made of a dielectric material. The cavity includes a first cylindrical portion, a second cylindrical portion, and a dielectric ring that connects the first...
US20130106644 ULTRA LOW POWER HOMODYNE MOTION SENSOR  
Power consumption in an oscillator formed of a chain of two inverters in series, with resistive feedback from the output of the first inverter to its input, and capacitive feedback from the output...
US20110215877 MEMS RESONATOR  
A MEMS circuit comprises a MEMS device arrangement with temperature dependent output; a resistive heating circuit; and a feedback control system for controlling the resistive heating circuit to...
US20120306582 OVEN-CONTROLLED CRYSTAL OSCILLATOR  
A crystal unit and a thermistor with negative resistance-temperature characteristics are housed in a thermostatic oven heated by a heater. A transistor driving the heater is controlled by an...
US20110148530 Oscillator with capacitance array  
An oscillator is provided which comprises an array of capacitances. At least some capacitances in the array have different capacitance values.
US20150084705 TEMPERATURE CONTROL CIRCUIT AND OVEN CONTROLLED CRYSTAL OSCILLATOR  
A temperature control circuit of an oven controlled crystal oscillator is a circuit in which a supply voltage is applied to a first terminal of a resistance R10, a first terminal of a resistance...
US20120262244 TEMPERATURE-COMPENSATED OSCILLATOR AND ELECTRONIC DEVICE  
A temperature-compensated oscillator includes a temperature compensation circuit adapted to output a temperature compensation voltage, a voltage-controlled oscillation circuit on which temperature...
US20110090020 Voltage Controlled SAW Oscillator with Phase Shifter  
An oscillator which, in one embodiment, is a voltage controlled surface acoustic wave oscillator including at least a surface acoustic wave filter and a voltage controlled phase shifter. In one...
US20120200362 METHOD AND SYSTEM FOR USING A MEMS STRUCTURE AS A TIMING SOURCE  
A system and method is disclosed that provides a technique for generating an accurate time base for MEMS sensors and actuators which has a vibrating MEMS structure. The accurate clock is generated...
US20140312982 CONTINUOUS PHASE ADJUSTMENT BASED ON INJECTION LOCKING  
A phase-modification circuit is described. This phase-modification circuit reduces jitter by injecting a divided reference clock in a phase-locked loop from an auxiliary oscillator and by...
US20140043105 INTEGRATED CIRCUIT HAVING A MULTIPLYING INJECTION-LOCKED OSCILLATOR  
Methods and apparatuses featuring a multiplying injection-locked oscillator are described. Some embodiments include a pulse-generator-and-injector and one or more injection-locked oscillators. The...
US20110267148 Multiphase VCO Circuits and Methods with Wide Tuning Range  
A Multiphase VCO Circuits and Methods with Wide Tuning Range have been disclosed.
US20120319788 RELAXATION OSCILLATOR WITH LOW POWER CONSUMPTION  
A relaxation oscillator for generating oscillator signal includes a ramp voltage generating circuit, a reference voltage generating circuit, a reference voltage switching circuit, and a digital...
US20110285470 SURFACE ACOUSTIC WAVE OSCILLATOR  
In a SAW oscillator, each of a first SAW element and a second SAW element includes interdigital electrodes and a reflector formed on a piezoelectric material. A first oscillating circuit part...
US20150207516 QUANTUM INTERFERENCE DEVICE, ATOMIC OSCILLATOR, AND MOVING OBJECT  
An atomic oscillator includes: a gas cell which includes two window portions having a light transmissive property and in which metal atoms are sealed; a light emitting portion that emits...
US20140232479 QUANTUM INTERFERENCE DEVICE, ATOMIC OSCILLATOR, AND MOVING OBJECT  
An atomic oscillator includes: a gas cell which includes two window portions having a light transmissive property and in which metal atoms are sealed; a light emitting portion that emits...
US20130049875 RELAXATION OSCILLATOR CIRCUIT INCLUDING TWO CLOCK GENERATOR SUBCIRCUITS HAVING SAME CONFIGURATION OPERATING ALTERNATELY  
A control circuit controls first and second clock generator subcircuits so that one subcircuit of the first and second clock generator subcircuits operates for a comparison voltage generating...
US20150002236 Systems and Methods of Stacking LC Tanks for Wide Tuning Range and High Voltage Swing  
A cascaded arrangement of resonant tanks capable of widening frequency selection and tuning within an RF circuit is presented. Moreover, usage of DTC allows for larger frequency tuning per tank as...
US20130176831 QUARTZ CRYSTAL UNIT, QUARTZ CRYSTAL OSCILLATOR AND ELECTRONIC APPARATUS  
In a quartz crystal unit, the unit comprising a quartz crystal tuning fork resonator having a quartz crystal tuning fork base, and first and second quartz crystal tuning fork arms, each of the...
US20130307630 Integrated Circuit Architecture with Strongly Coupled LC Tanks  
An integrated circuit for a radio frequency (RF) circuit such as a voltage controlled oscillator or an injection locked frequency divider is provided. The integrated circuit architecture includes...
US20110248787 VARACTOR CIRCUIT AND VOLTAGE-CONTROLLED OSCILLATION  
A varactor circuit and voltage-controlled oscillation are described. The varactor circuit includes a first varactor, a second varactor, a third varactor, and a fourth varactor. A first...
US20130009473 Oscillator Circuit  
Devices are provided comprising oscillator circuits coupled to a supply voltage via an adjustable resistance. Corresponding methods to control adjustable resistances are also provided.
US20120062327 ATOMIC OSCILLATOR  
An atomic oscillator includes: a gas cell in which a gaseous metal atom is sealed; heating units heating the gas cell to a predetermined temperature and being a first heater and a second heater; a...
US20130076449 VARACTOR TUNING CONTROL USING REDUNDANT NUMBERING  
Techniques for improved tuning control of varactor circuits are disclosed. For example, an apparatus comprises a plurality of varactors for tuning a frequency value. The plurality of varactors...
US20140049330 INTEGRATED CIRCUIT  
An integrated circuit device has an LC tank circuit for frequency determination, and a switched capacitor circuit for tuning the resonant frequency of the LC tank. The switched capacitor circuit...
US20100295627 VOLTAGE-CONTROLLED OSCILLATOR  
A voltage-controlled oscillator that can achieve low phase noise while ensuring stable oscillation startup and stable oscillation maintenance even under low supply voltage conditions. The...
US20150097627 Clock Generation System  
A clock generation system provides a low power approach for generating clock signals. The clock generation system may use a free running clock and, at intervals, maintain the accuracy of the free...
US20120049965 MECHANICAL RESONATING STRUCTURES INCLUDING A TEMPERATURE COMPENSATION STRUCTURE  
Mechanical resonating structures are described, as well as related devices and methods. The mechanical resonating structures may have a compensating structure for compensating temperature variations.
US20120182079 MONITORING NEGATIVE BIAS TEMPERATURE INSTABILITY (NBTI) AND/OR POSITIVE BIAS TEMPERATURE INSTABILITY (PBTI)  
A ring oscillator circuit for measurement of negative bias temperature instability effect and/or positive bias temperature instability effect includes a ring oscillator having first and second...
US20110298556 VOLTAGE SOURCE CIRCUIT FOR CRYSTAL OSCILLATION CIRCUIT  
A voltage source circuit for a crystal oscillation circuit is provided, in which the voltage source circuit and the crystal oscillation circuit are formed with the same process. The voltage source...
US20140028403 METHODS FOR ADDRESSING AGING OF XO CRYSTALS  
Methods, apparatuses, systems and computer-readable media for addressing the aging of oscillation (XO) crystals are presented. Some embodiments may determine a change of age of the XO crystal...
US20130141178 Injection Locked Divider with Injection Point Located at a Tapped Inductor  
Injection locked dividers provide a divided clock signal after being driven by a injected clock signal that is a multiple of the divided clock signal. At injected clock signal at 60 GHz generates...
US20130038399 OSCILLATION CIRCUIT AND ASSOCIATED METHOD  
An oscillation circuit and associated method, wherein the oscillation circuit provides a pair of oscillation signals at two oscillation nodes, and includes a first capacitor, a switch circuit and...
US20150054590 OVEN CONTROLLED CRYSTAL OSCILLATOR  
An oven controlled crystal oscillator (OCXO) is provided for improving temperature characteristics of a frequency. In the OCXO, a thermostatic oven 5 (20a) is provided in a thermostatic oven 9...
US20110175685 MULTI-PRIMARY DISTRIBUTED ACTIVE TRANSFORMER AMPLIFIER POWER SUPPLY AND CONTROL  
An integrated power combiner is disclosed. The power combiner includes a first circular geometry primary winding having one or more inductive elements, such as an active winding with one or more...
US20120262239 LOW POWER WIDEBAND LO USING TUNED INJECTION LOCKED OSCILLATOR  
A tunable Injection-Locked Oscillator (ILO) having a wide locking range is used in a Local Oscillator (LO) of a wideband wireless transceiver to generate differential signals. The ILO includes a...
US20120075027 MEMS RESONATOR  
A MEMS resonator comprises a resonator body (34), and an anchor (32) which provides a fixed connection between the resonator body (34) and a support body. A resistive heating element (R1,R2) and a...
US20120306584 High Amplitude Voltage-Controlled Oscillator with Dynamic Bias Circuit  
According to an exemplary embodiment, a high amplitude oscillation generator includes an LC tank circuit, a gain stage, a dynamic bias circuit, a bias current source, and a dynamic bias circuit...
US20130120071 TUNING VOLTAGE RANGE EXTENSION CIRCUIT AND METHOD  
A circuit includes a first path including a first transistor and a first current source. The first transistor is responsive to a tuning voltage. The circuit also includes a tuning voltage range...
US20110291767 OSCILLATOR CIRCUIT  
An oscillator circuit comprises a piezoelectric vibrator, an amplifier device including inverters provided in a plurality of stages, and an inverter control device. The inverters provided in the...
US20130176833 QUARTZ CRYSTAL UNIT, QUARTZ CRYSTAL OSCILLATOR AND ELECTRONIC APPARATUS  
In a quartz crystal unit, the unit comprising a quartz crystal resonator having a base portion, and first and second vibrational arms connected to the base portion, at least one groove being...
US20130222070 RECONFIGURABLE VOLTAGE CONTROLLED OSCILLATOR FOR SUPPORTING MULTI-MODE APPLICATIONS  
In accordance with an embodiment of the disclosure, circuits and methods are provided for using a reconfigurable voltage controlled oscillator to support multi-mode applications. A voltage control...
US20110095832 Fast start, low power oscillator system  
A fast start, low power oscillator system includes an oscillator circuit including an amplifier and a tank circuit, the amplifier including an operating resistance which sets the amplifier...