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WO/2009/108465A1 |
In one embodiment, the present invention includes an apparatus having a voltage controlled oscillator (VCO) to generate a first clock signal having a frequency controlled by a bias current coupling ratio of first and second bias currents...
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WO/2009/107992A2 |
This invention relates to a voltage controlled oscillator (VCO), more particularly to a voltage controlled oscillator with low-noise current and voltage sources. The voltage controlled oscillator has a low-noise voltage source by using a...
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WO/2009/104333A1 |
A piezoelectric vibrator (1) is provided with a base substrate (2), a lid substrate (3) which has a recessed portion (3a) for a cavity and is joined to the base substrate with the recessed portion facing the base substrate, a piezoelectr...
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WO/2009/104314A1 |
A piezoelectric vibrator comprises a base substrate having polished facing sides; a lid substrate, which has a recess for cavity and is bonded to the base substrate so that the recess faces the base substrate; a piezoelectric vibrating r...
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WO/2009/104327A1 |
A piezoelectric vibrator (1) is provided with a base substrate (2); a lid substrate (3), which has a recessed section (3a) for a cavity and is bonded to the base substrate with the recessed section facing the base substrate; a piezoelect...
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WO/2009/104310A1 |
A piezoelectric oscillator comprises a base substrate, a lid substrate having a recess portion forming a cavity, joined to the base substrate, and facing the base substrate, piezoelectric oscillating pieces which are joined to the top fa...
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WO/2009/104839A1 |
Provided are a differential voltage-controlled oscillator (VCO) and a quadrature VCO using center-tapped cross-coupling of a transformer. The differential VCO and the quadrature VCO can be driven by low power through a current reuse stru...
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WO/2009/104308A1 |
Provided is a piezoelectric vibrator manufacturing method for manufacturing a plurality of piezoelectric vibrators, in which piezoelectric vibration members are sealed in cavities formed between a base substrate and a lid substrate joint...
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WO/2009/104328A1 |
A piezoelectric vibrator (1) is provided with a base substrate (2) having polished double surfaces; a lid substrate (3), which has a recessed section (3a) for a cavity (C) and is bonded to the base substrate; a piezoelectric vibrating pi...
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WO/2009/104309A1 |
This piezoelectric vibrator comprises a base substrate, a lid substrate having a recess for a cavity and joined to the base substrate with the recess being opposed to the base substrate, a piezoelectric vibrating reed so joined to the up...
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WO/2009/104329A1 |
A method for manufacturing a piezoelectric vibrator comprises an overlapping step for overlapping a lid substrate (40) on a base substrate (50) such that a piezoelectric vibrating-reed (4) is contained in a cavity (C) after the piezoelec...
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WO/2009/101015A1 |
A digitally controlled oscillator comprising: an oscillator core configured to output an adjustable frequency output; and an oscillator tuner comprising at least one switchable impedance stage configured to control the oscillator core fr...
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WO/2009/101733A1 |
Provided are a piezoelectric vibrating piece (4) having a pair of vibrating arms (10, 11) with a base end fixed to a base (12) while placed in parallel and with a weight metallic film (21) formed at the tip, a base substrate (2) having t...
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WO/2009/096413A1 |
A voltage controlled oscillator in which VCO gain variation can be suppressed when a frequency band is switched. The voltage controlled oscillator (VCO) including first frequency-varying means and second frequency-varying means to which ...
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WO/2009/097047A1 |
An integrated circuit includes a delay lock loop (DLL) circuit that generates incremental delay line signals and a delay line output signal based on a received clock signal. A pulse-width modulation (PWM) control module generates a PWM c...
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WO/2009/094380A1 |
A signal amplifier including a transformer with a primary winding and a secondary winding, an oscillator circuit driven by an input signal establishing in the primary winding an oscillating signal amplified by the secondary, and a rectif...
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WO/2009/090244A1 |
Electrical resonator device, capable of operating at variable frequency, ω comprising at least: - an acoustic wave resonator, - a first electrical circuit coupled in parallel to the resonator with an adjustable complex impedance whose i...
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WO/2009/089321A2 |
A feed-forward control loop circuit, almost-binary counter and ring oscillator, comprising: an oscillation source; a reference frequency source having a second frequency independently generated from the oscillation source; a measurement ...
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WO/2009/083949A2 |
A frequency conversion apparatus includes a frequency generation circuit (44), which is based on a first semiconductor material having a first elemental composition and is coupled to generate one or more Local Oscillator (LO) signals. Th...
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WO/2009/081686A1 |
Disclosed is a method for manufacturing a piezoelectric vibrator (1). The method is provided with a step of forming through holes (35, 36), which penetrate a wafer to be used as a base substrate, so that openings are made on the outer si...
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WO/2009/082117A1 |
In an ultra-wideband (UWB) band-pass filter, an equivalent circuit of a band-pass filter for direct frequency conversion is configured to have a series LC resonator and a parallel LC resonator, the parallel LC resonator is implemented as...
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WO/2009/079615A1 |
A frequency synthesizer includes a phase-locked loop circuit having an output. A frequency divider is connected to the output of the phase-locked loop circuit for receiving the signal therefrom and dividing the frequency of the signal. A...
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WO/2009/077343A1 |
The quartz oscillator circuit comprises an inverter formed from two complementary pMOS and nMOS transistors (P1, N1) connected in series with a current source (4) between two terminals of a supply voltage source in order to define an act...
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WO/2009/078201A1 |
Disclosed are a spin-valve element, in which a pair of ferromagnetic layers have different coercive forces so that the spin-valve element may be driven to oscillate microwaves with a weakened external magnetic field or no external magnet...
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WO/2009/076534A1 |
A resonator body has an inversion gate, an accumulation gate, and a center region. The resonator body also has a source contact coupled to the center region and a drain contact coupled to the center region. The resonator body further has...
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WO/2009/070940A1 |
An oscillator operates at a very low voltage yet has a duty cycle that is set by a ratio of capacitors (34,44) that are charged and discharged. Sub-threshold p-channel transistors (80,82) conduct sub-threshold currents below the normal t...
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WO/2009/072432A1 |
Disclosed is a method for manufacturing a package (1) having a base substrate (10) and a lid substrate (20) which are bonded to each other and composed of a glass base material. The package also has a cavity (C) which is formed between t...
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WO/2009/072358A1 |
A piezoelectric vibrator manufacturing method is provided with a cavity forming step of forming a recessed section for a cavity on at least one of two wafers; a bonding electrode film forming step of forming a bonding electrode film on b...
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WO/2009/069251A1 |
Disclosed is a piezoelectric device comprising a lead wire (12) having an end electrically connected to a circuit pattern, and a crystal piezoelectric transducer (13) having a terminal (13a) electrically connected to the other end of the...
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WO/2009/063374A2 |
An LC oscillator is provided that achieves improved phase noise performance. A variable frequency oscillator includes a variable supply source (I), an oscillator tank circuit (T), a variable capacitance circuit (VC1) comprising MOS switc...
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WO/2009/062446A1 |
A temperature compensation method and a device are provided. The temperature compensation method comprises the steps of obtaining temperature of an adjustable clock apparatus and a corresponding adjusting signal, updating a pre-establish...
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WO/2009/059390A1 |
The present invention relates to a method and a system for digitally correcting sampling offset of a signal. The method proceeds with measuring a sampling offset, and introducing a phase correction corresponding to the measured sampling ...
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WO/2009/056646A1 |
This invention relates to a multiphase oscillator, comprising a first ring circuit with a multiplicity of passive delay elements and a number of amplifier stages, wherein a respective amplifier stage is connected in parallel to a number ...
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WO/2009/058909A1 |
Method and apparatus for generating a temperature compensated frequency estimate for a crystal oscillator, wherein the temperatures of the crystal and oscillator are both accounted for. A crystal temperature measurement is used to genera...
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WO/2009/054183A1 |
Intended is to prevent the overheat of a spin valve element. Provided is a driving method for feeding the spin valve element with a drive current thereby to acquire an oscillating signal. The driving method comprises the step of subjecti...
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WO/2009/054760A1 |
In a dual band capable voltage controlled oscillator VCO circuit comprising two voltage controlled oscillator units VCOl, VCO2, the voltage controlled oscillator units VCOl, VCO2 are synchronized and connected via at least two coupled tr...
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WO/2009/054182A1 |
Impedance matching in a element which performs high-frequency oscillation can be performed as follows. Parallel or series magnetic element groups each having a plurality of magnetic elements in which an intermediate layer formed by an in...
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WO/2009/050945A1 |
In order to increase the power which can flow into a spin-valve element, an insulating layer (24) or a non-magnetic layer (51) is sandwiched by ferromagnetic layers (23, 25) and a porous layer (10(10')) having a plenty of micro pores is ...
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WO/2009/051499A1 |
The present invention relates to a method of simulating an initial component of a signal to approximate a component of a reference signal, the method characterised by the steps of; i) generating a source signal which includes at least on...
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WO/2009/047878A1 |
Provided is an oscillation device including: a resonance circuit which generates an oscillation signal; an amplification circuit which amplifies an oscillation signal generated by the resonance circuit and feeds it back to the resonance ...
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WO/2009/045414A1 |
An adaptive nonlinear filtering system includes an adaptive filter module that is configured to generate relative location information pertaining to a relative location of an input signal within an input range; determine an input depende...
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WO/2009/041868A1 |
In a Hartley voltage controlled oscillator (VCO) circuit comprising two inductors (L d , L g), a transistor (Q1) and a varactor (C), the two inductors (L d , L g) are arranged as a coupled inductor pair to enable positive mutual inductan...
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WO/2009/041304A1 |
A first wiring layer, and a plurality of second wiring layers thinner than the first wiring layer are formed in lamination on a semiconductor substrate. An inductor is constituted of the plurality of second wiring layers. The inductor os...
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WO/2009/040945A1 |
A monitoring apparatus for a system which includes an oscillator with a variable oscillation frequency, having a configuration which includes a transmitting section for transmitting an information gathering command to the system at an ar...
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WO/2009/038736A2 |
Oscillators include a resonator having first and second electrodes and configured to resonate at a first frequency at which the first and second electrodes carry in-phase signals and at a second frequency at which the first and second el...
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WO/2009/038846A2 |
A bipolar pulse forming transmission line module and system for linear induction accelerators having first, second, third, and fourth planar conductors which form a sequentially arranged interleaved stack having opposing first and second...
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WO/2009/038820A1 |
A differential frequency divider includes first and second input terminals each configured to receive a differential input signal. The divider also includes a first output terminal configured to produce a first output signal and a second...
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WO/2009/032736A1 |
A frequency multiplier device comprises a first signal combiner having a first port for receiving a first input signal having a first frequency 1 and a second port for receiving a second input signal having a second frequency 2, the firs...
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WO/2009/032767A2 |
A method of optimizing placement of a control source relative to a noise source includes establishing a first pool of constructive chromosomes, each constructive chromosome defining a potential spatial position for the control source in ...
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WO/2009/029226A1 |
An ovenized oscillator package including at least a heater and a crystal package mounted on opposite sides of a circuit board. Vias extend through the body of the circuit board to transfer heat from the heater to the crystal package. Lay...
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