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WO/2012/036157A1 |
A DDS (100) is provided with: accumulating unit (110), a phase adding unit (120), a phase-amplitude converting unit (130), etc. The accumulating unit (110) accumulates frequency command values (p) at timings at which a reference clock (c...
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WO/2012/025791A1 |
The invention pertains to a push-push oscillator circuit (10) with a first oscillation branch with a first active device (12) and a first tank (16, 20) adapted to provide a signal having a fundamental frequency f0, a second oscillation b...
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WO/2012/017572A1 |
A MEMS oscillator is provided with: a feedback oscillation circuit that contains a MEMS resonator and an amplifier; and an automatic gain controller that receives output from the amplifier and controls the amplifier gain on the basis of ...
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WO/2012/017366A1 |
A resonator-controlled oscillator arrangement comprises a resonator-controlled oscillator of which the operating frequency is adjustable and a control circuit for setting the operating frequency of the oscillator. The control circuit is ...
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WO/2012/013308A1 |
An oscillator circuit (1), which is part of a circuit arrangement for producing microwave oscillations, has two transistors (2 and 3) as amplifier elements and has a resonator (4), is described and illustrated, wherein the resonator (4) ...
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WO/2012/013658A1 |
The invention relates to a device (10, 40, 60, 150) for generating electromagnetic THz radiation with free electron beams (54, 56, 78, 190, 192), comprising a dynatron tube (22), where the dynatron tube (22) comprises an electron source ...
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WO/2012/014307A1 |
The disclosed signal generating circuit has: four-phase-signal generating circuits (20_0, 20_1) that generate four-phase signals having a first frequency; an eight-phase-signal generating circuit (20_2) that divides the four-phase signal...
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WO/2012/001846A1 |
Disclosed is a reference frequency generating circuit wherein an oscillation circuit (11) increases/reduces the signal levels of oscillation signals (OCSa, OSCb) in a complementary manner, corresponding to transition of the signal levels...
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WO/2011/155600A1 |
In the disclosed oscillator, a wiring pattern that conducts with a pair of electrode pads, which electrically connect a piezoelectric vibrating reed, and a plurality of connection pads, which electrically connect the aforementioned piezo...
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WO/2011/155390A1 |
Disclosed is an oscillation element wherein a magnetoresistive element provided with a tunnel barrier layer achieves both the high oscillation output and high Q value. Also disclosed is a method for manufacturing the oscillation element....
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WO/2011/156379A2 |
A passive frequency divider in a CMOS process. More specifically, an electrical distributed parametric oscillator to realize a passive CMOS frequency divider with low phase noise. Instead of using active devices, which are the main sourc...
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WO/2011/151223A1 |
The invention relates to an oscillator for generating a wave including a terahertz-order frequency from the beat of two optical waves generated by a dual-frequency optical source (10). The oscillator comprises: a modulator (12) having a ...
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WO/2011/152881A2 |
A method and apparatus is disclosed for voltage-controlled oscillator selection in a multi-mode system having multiple voltage-controlled oscillators. Part of oscillator selection is a calibration operation that utilizes maximum and mini...
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WO/2011/149043A1 |
Disclosed are a plurality of members for sealing a piezoelectric vibration device wherein the vibrating region of a piezoelectric vibrating piece is hermetically sealed using the sealing members. A protruding section is formed on one mai...
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WO/2011/148630A1 |
The disclosed MEMS resonator is provided with an input port to which an input voltage is applied, an output port for outputting an output current, and a vibrator, and comprises N units (where N is an integer greater than or equal to 2) o...
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WO/2011/141895A1 |
An apparatus comprising: a spin torque oscillator configured to receive an input electric current and to produce a radio frequency output signal; and a tunable current source for providing an input electric current to the spin torque osc...
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WO/2011/131237A1 |
A frequency tunable signal source (100) with first (105) and a second (115, 315) oscillators, each of which outputs a signal at a fundamental frequency (f1, f2) and at least one signal at a harmonic frequency (f1', f2') and a mixer (120)...
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WO/2011/128671A1 |
A frequency synthesiser and oscillator are disclosed for reducing noise in processed signals. The synthesiser and oscillator comprise an array of frequency dividers adapted to receive an input signal, which is derived from a single signa...
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WO/2011/127754A1 |
A dual-mode voltage-controlled oscillator, a frequency synthesizer and a wireless receiving apparatus are provided, which belong to the technical field of radio frequency wireless receiver integrated circuits. The DMVCO and frequency syn...
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WO/2011/109278A1 |
Apparatus and methods for stabilizing reference oscillators are described. According to some embodiments, the reference oscillator of a device may be stabilized by synchronizing the reference oscillator to an external signal received by ...
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WO/2011/107473A1 |
The invention relates to a radiofrequency oscillator which incorporates: a spin-polarized electric current magnetoresistive device (6), a terminal (18) for controlling the frequency or amplitude of the oscillating signal, a servo loop (3...
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WO/2011/107475A1 |
The invention relates to a radiofrequency oscillator which incorporates: a spin-polarized electric current magnetoresistive device (6) for generating an oscillating signal at an oscillation frequency on an output terminal (10), and a ter...
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WO/2011/104802A1 |
Provided are a frequency multiplier oscillation circuit which can have a compact size, effectively suppress spurious noise such as a fundamental wave, and output a desired multiplied wave. Also provided is a method for multiplying a fund...
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WO/2011/100387A1 |
A DDS system is disclosed that is configured to provide a variable clock delay that allows timing of data coming out of the ROM to be adjusted. In one example case, a DDS system is provided that includes a ROM for storing phase-to-amplit...
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WO/2011/094715A1 |
The various embodiments of the present invention provide improved methods and circuits for generating millimeter-wave oscillations. Generating millimeter-wave oscillations may involve providing a semiconductor device comprising at least ...
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WO/2011/089412A1 |
In accordance with the present invention there is provided a bi-stable oscillator circuit for detecting a load imparted to a surface. The bi-stable oscillator comprises an electrical amplifier, at least one resonator comprising an electr...
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WO/2011/089692A1 |
Disclosed is a spin wave device which can be integrated in an LSI chip and has high design freedom for frequency characteristics. The spin wave device is provided with one input interconnect for transmitting input impulse signals, a mult...
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WO/2011/089662A1 |
The disclosed oscillator circuit includes: a piezoelectric resonator; an amplifying section including multi-staged inverters; and an inverter control section. The multi-staged inverters are a combination of: a capability-variable inverte...
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WO/2011/090398A1 |
The invention relates to methods and devices for controlling physico-chemical processes in a substance and at the phase boundary. Said invention can be used in various branches of industry and agriculture for providing optimum control of...
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WO/2011/087762A1 |
A system, method, and apparatus for stabilizing interactions between an electrical generator and a nonlinear load are described. One illustrative embodiment includes an impedance element that is coupled to an output of the generator and ...
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WO/2011/088246A1 |
A programmable active frequency-selective circuit includes a first capacitor having a fixed value and a second capacitor having a value defined by a product of a parameter and a plurality of switchable capacitors, wherein the parameter i...
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WO/2011/084527A2 |
Techniques for decimating a first periodic signal to generate a second periodic signal. In an exemplary embodiment, the first periodic signal is divided by a configurable integer ratio divider, and the output of the divider is delayed by...
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WO/2011/080258A2 |
An oscillator circuit includes an amplifier including at least two terminals for receiving a crystal and an automatic amplitude control loop coupled to the amplifier including biasing circuitry switched between a first operational mode a...
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WO/2011/076768A1 |
This radiofrequency oscillator comprises: a free layer (4), a current injector (6) for injecting spin-polarized current into the free layer, this injector having a spin-polarized current injection face (16) directly in contact with the f...
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WO/2011/078064A1 |
The present invention relates to an oscillator. The oscillator includes a resonator unit configured to resonate terahertz waves generated by an active layer using intersubband transitions of a carrier. The oscillator further includes a s...
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WO/2011/077705A1 |
Provided is a temperature-compensated oscillation device that has an oscillation circuit for oscillating an oscillator. In the provided oscillation device, when the oscillation frequency is changed by a second control signal after being ...
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WO/2011/073853A1 |
Circuit (1) of a voltage controlled oscillator comprising: - a bridge structure including two cross-coupled transistors of N type (M3, M4) and two cross-coupled transistors of P type (M5, M6); - a current mirror (3) connected to the two ...
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WO/2011/071644A2 |
A method for providing redundant power control to a load using a digital output module includes coupling at least one sourcing driver to a voltage supply and Io a first output terminal, coupling at least one sinking driver to a voltage r...
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WO/2011/065685A2 |
The present invention relates to an oscillator circuit which compensates for external supply voltage, temperature and process, and comprises: an external supply voltage (VDD) and a reference voltage generating unit (310) which generates ...
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WO/2011/064786A1 |
Methods and systems for adaptive biasing of a driver circuit (102) are described. A driver circuit (102) comprises a pull-up and a pull-down stack. The pull-up and pull-down stack includes at least one pull-up transistor (210) and at lea...
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WO/2011/062032A1 |
One end of a SAW device (111) that constitutes a resonant section (101) is grounded, and the other end thereof is connected to the base of the transistor (Tr2) of an amplifying section (122). The emitter of the transistor (Tr2) is connec...
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WO/2011/054198A1 |
A leak detecting system of solenoid valve in blood purification is provided. The system comprises a liquid passage and a detecting circuit, wherein a solenoid valve and a liquid pipe are located in the liquid passage, and the detecting c...
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WO/2011/050824A1 |
A voltage controlled oscillator, a VCO (100, 300, 400, 500, 600, 700) comprising a resonator (105, 305, 605, 706) connected to an amplifier (110, 310, 610, 710) so that signals from the resonator can pass through the amplifier and be ret...
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WO/2011/049609A2 |
The present invention provides methods and devices directed to the use of flexure assemblies to assist components driven by actuators, including but not limited to electroactive polymer transducers for providing sensory feedback. The pre...
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WO/2011/049596A1 |
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 operating current and a speed-up circuit includi...
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WO/2011/046555A1 |
Methods and means related to an electronic circuit having an inductor and a memcapacitor are provided. Circuitry is formed upon a substrate such that an inductor and non-volatile memory capacitor are formed. Additional circuitry can be o...
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WO/2011/038788A1 |
The present invention relates to a method of generating a hole or recess or well in an electrically insulating or semiconducting substrate, and to a hole or recess or well in a substrate generated by this method. The invention also relat...
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WO/2011/040846A1 |
The disclosure relates to an oscillator for use in generating frequencies in a frequency synthesizer, comprising: a first inductor element forming a metal trace loop with at least one turn, and a first capacitive circuit arranged to form...
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WO/2011/031389A2 |
Embodiments of the present invention include a low phase noise oscillator circuit using a current-reuse technique to reduce power consumption and improve phase noise, where the oscillator circuit comprises a first VCO coupled to a second...
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WO/2011/030571A1 |
Disclosed is a manufacturing method for a piezoelectric oscillator that is provided with a step allowing reliable screening of piezoelectric oscillators that have a danger of becoming defective products by way of adhesion of dirt or fore...
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