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8183943 |
Oscillator and phase synchronizing circuit
When a direct-current voltage is applied from a power supply, a signal line generates a standing wave having the ¾ wavelength where a starting end of the signal line connected to the power supply ...
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8159307 |
Logical element
In a logical element, supporting portions, and a beam supported by them at two ends are formed. The beam has a back side surface spaced apart from the top side surface of a substrate, creating a...
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8154354 |
Nonlinear pulse oscillator methods and apparatus
Methods and apparatus for implementing stable self-starting and self-sustaining high-speed electrical nonlinear pulse (e.g., soliton, cnoidal wave, or quasi-soliton) oscillators. Chip-scale...
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8149066 |
Integrated circuit distributed oscillator
An integrated circuit distributed radio frequency oscillator comprises a semiconductor chip which includes a differential input transmission line, a differential output transmission line and,...
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8134416 |
Surface acoustic wave driving circuit and oscillator therefor
A driving circuit of a surface wave resonator (X1) is described; the resonator comprises a static capacitor (Co) and the driving circuit is adapted to supply a voltage (Vx) to the resonator. The...
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8089322 |
Inductance enhanced rotary traveling wave oscillator circuit and method
An inductance enhanced rotary traveling wave oscillator is disclosed. Portions of the transmission line conductors are increased in length and run in parallel. Because the currents in these...
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8071398 |
Method and structure of monolithically integrated IC-MEMS oscillator using IC foundry-compatible processes
The present invention relates to integrating an inertial mechanical device on top of an IC substrate monolithically using IC-foundry compatible processes. The IC substrate is completed first using...
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8031016 |
Multiplying oscillator and wireless apparatus in which the same is installed
An object of the invention is to provide a multiplying oscillator capable of generating a high frequency signal by small circuit scale and power consumption in an oscillator for generating a signal...
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7924107 |
Resonant tunneling structure
A resonant tunneling structure for generating oscillation with multiple fundamental oscillation frequencies is provided. A first quantum well layer has a second sub-band (E2). A second quantum well...
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7898347 |
Dielectric resonator oscillator and radar system using the same
In the mass production of dielectric resonator oscillators (DROs), it is necessary to regulate the position where a dielectric resonator is placed with a high degree of accuracy and thus time...
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7898348 |
Terahertz oscillation device
A terahertz oscillation device includes a first electrode placed on the semiconductor substrate; a second electrode placed via the insulating layer toward the first electrode, and opposes the first...
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7777583 |
Mode selective coupler for whispering-gallery dielectric resonator
A whispering gallery mode dielectric resonator includes a conductive enclosure comprising a top, a bottom and walls. The resonator also includes a dielectric element disposed in the enclosure and...
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7764137 |
Circuit and method for generating electrical solutions with junction field effect transistors
A circuit can include an amplifier having at least a first junction field effect transistor (JFET) of a first conductivity type with a source coupled to a first power supply node, and a drain...
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7688152 |
High frequency stabilization network for microwave devices and monolithic integrated circuits
A high-frequency stabilization network for microwave devices and monolithic integrated circuits. The stabilization network may comprise one or more monolithic RL parallel networks, configured to...
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7605670 |
User-definable low cost, low noise, and phase hit insensitive multi-octave-band tunable oscillator
An aspect of the present invention is a voltage controlled oscillator that provides multi octave band tenability. The oscillator preferably includes one or more multi planar resonators which allow...
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7515007 |
Integrated dielectric resonator filter and clock extraction device using the same
Provided are an integrated dielectric resonator filter and a clock extraction device using the integrated dielectric resonator filter. The integrated dielectric resonator filter includes: a...
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7492230 |
Method and apparatus for effecting high-frequency amplification or oscillation
An apparatus includes a distributed resonant tunneling section with a plurality of inductive portions that are coupled in series with each other between first and second nodes, such that a...
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7378925 |
Dielectric resonator, dielectric resonator frequency adjusting method, and dielectric resonator integrated circuit
An oscillator comprising a dielectric resonator (DR) has a high controllability and reproducibility of coupling between the dielectric resonator (DR) and an oscillation circuit, and an integrated...
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7378915 |
Dielectric resonator oscillator and radar apparatus using the same
At least one of a rise time and a fall time of a dielectric resonator oscillator are reduced. The dielectric resonator oscillator includes a dielectric resonator, a drive circuit for applying a...
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7339440 |
Nonlinear pulse oscillator methods and apparatus
Methods and apparatus for implementing stable self-starting and self-sustaining electrical nonlinear pulse (e.g., soliton, cnoidal wave, or quasi-soliton) oscillators. In one example, a nonlinear...
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7307581 |
Mounting structure of high-frequency semiconductor apparatus and its production method
In a high-frequency circuit having a substrate having a high-frequency transmission line and an dielectric resonator formed on said substrate so that said dielectric resonator and said...
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7265711 |
High-frequency oscillator, high-frequency transmission-reception apparatus using the same, radar apparatus, and radar-apparatus-equipped vehicle and small boat equipped with the same
A high-frequency oscillator that can tune oscillation characteristics is provided. A high-frequency oscillator includes a Gunn diode serving as a high-frequency oscillation element that generates...
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7236060 |
Electronic pulse generator and oscillator
Distributed traveling wave oscillator circuitry is disclosed. The oscillator circuitry includes a signal path, a plurality of active switching means, and a direction promoting means. The signal...
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7218180 |
Low noise oscillator
A low noise oscillator constructed using a rotary traveling wave oscillator. The conductors of the rotary traveling wave oscillator provide at any tap position a pair of oppositely phased...
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7202753 |
Oscillation circuit and radio communication device using the same
An power divider and a surface acoustic wave resonator are provided to a feedback path of an amplifier for oscillation. The surface acoustic wave resonator connects an input side of the amplifier...
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7199674 |
Low phase noise, wide tune range saw oscillators and methods of operating the same
A two port, single pole SAW resonator is employed for a local oscillator to eliminate the secondary frequency responses of the prior art without adding additional inductances and capacitances...
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7167057 |
Microwave oscillator
A microwave oscillator having a hollow conductor, an oscillation generator which is mounted on a heatsink and projects into the hollow conductor, and a printed circuit board having electronic...
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7161441 |
High frequency distributed oscillator using coupled transmission line
The present invention relates to a distributed oscillator, and more particularly, to a high frequency distributed oscillator using coupled transmission lines. According to the present invention,...
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7148762 |
Method for adjusting a resonator in an oscillator
A method for tuning a resonator in an oscillator is provided. A dielectric serving as a resonator in the oscillator is trimmed in a targeted manner by laser pulses until a target frequency for the...
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7145406 |
Phase adjusting circuit and oscillator including the same
A phase adjusting circuit includes a meandering inductor provided on the surface of a base substrate, and a zero-ohm resistor mounted on two parallel line portions with one parallel line portion...
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7145404 |
Injection locked high frequency oscillator
A push-push high frequency oscillator comprises a pair of amplifiers for oscillation, a loop-shaped microstrip line for connecting inputs of the pair of amplifiers to each other and connecting...
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7145405 |
Planar high frequency oscillator
A planar harmonic high frequency oscillator comprises a pair of amplifiers for oscillation, a micro-strip line for connecting between inputs of the pair of amplifiers and between outputs of the...
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7142068 |
Voltage controlled oscillator small in reduction of inductance and Q
The voltage controlled oscillator contains a circuit board having a laminate of a plurality of insulating plates, a wiring pattern formed on a surface of the circuit board, an electronic part...
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7113049 |
Device for generating oscillations in the high frequency range
A device for generating electromagnetic oscillations in the HF range, in particular in the gigahertz range, using at least one Gunn element, in particular at least one Gunn diode. The device is...
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7075378 |
High spectral purity microwave oscillator using air-dielectric cavity
A high spectral purity microwave oscillator is provided. The Oscillator uses an air-dielectric cavity and employs the known carrier-suppression technique. In one embodiment, the oscillator employs...
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7068115 |
Monolithic microwave integrated circuit voltage controlled coupled feedback oscillator
A feedback oscillator device formed with an integrated circuit having a semiconductor material substrate on a ground plane. The circuit has an amplifier having an input and an output is provided at...
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7061336 |
High frequency oscillator
A high frequency oscillator which obtains an oscillation output by combining the outputs of two oscillators has a substrate, first and second amplifiers for oscillation so disposed that their...
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7049897 |
High frequency band oscillator
In an oscillator used in a high frequency band such as the microwave band, the millimeter wave band, etc., an oscillation element and circuit components such as a resonator coupled to the...
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7005932 |
Electronic device having adjustable VCO
A circuit board having a VCO that can be adjusted during manufacturing is disclosed. The VCO has a resonating circuit, a coupling circuit, and an oscillating circuit. The coupling circuit and the...
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6914493 |
Noise resistant low phase noise, frequency tracking oscillators and methods of operating the same
To secure the benefits of a low phase noise, wide tune range SAW oscillator in noisy environments, the tunable two port SAW resonator circuit within the oscillator is employed in differential mode,...
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6897735 |
Oscillator, transmitter/receiver module and radar system
The oscillator includes an active device, a substrate, a microstrip line formed on the substrate, and a dielectric block. The resonator is made up with the microstrip line and the dielectric block...
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6859111 |
Voltage tuned ferroelectric resonant oscillator
Burnout resistance ferroelectric material is used in the feedback path of a microwave oscillator as a frequency control element. The ferractor has rapid broadband frequency tuning capabilities...
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6853260 |
Tunable, distributed voltage-controlled oscillator
A voltage controlled oscillator is provided. The voltage controlled oscillator includes a differential transmission line and another transmission line, which can include a second differential...
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6842077 |
Voltage controlled oscillator for use in a phase locked loop
A voltage controlled oscillation device includes a voltage controlled oscillator, fixed-frequency oscillator, frequency mixer, and frequency selector. The voltage controlled oscillator changes the...
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6828867 |
Slot electrode dielectric resonator, inductor, capacitor, dielectric filter, oscillator, and communication device
A dielectric resonator includes a slot line constructed by providing a slot electrode having a spiral slot at either an external face of a dielectric layer or inside the dielectric layer and a...
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6794947 |
Method for adjusting oscillator frequencies
The present invention provides a method for adjusting the frequency of an oscillator. The method comprises providing a substrate having a plurality of openings, forming a conductive layer on a...
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6778031 |
High-frequency circuit device using slot line and communication apparatus having high frequency circuit device
A high-frequency circuit device includes a substrate and a high-frequency circuit. The high-frequency circuit is provided on the substrate and has a signal line. The signal line is configured with...
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6756855 |
Multi-frequency dielectric resonator oscillator
The invention provides a dielectric resonator oscillator DR, especially for transmission devices whose oscillating frequency may take several values. The oscillator uses two interfering conductors...
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6727766 |
Oscillator with dielectric resonator and electronic apparatus using the same
A dielectric substrate, a transistor, which is an active device, a varactor diode, which is a frequency-variable device, are mounted on one main surface of a package substrate to configure an...
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6720833 |
Modulator and oscillator for microwave and milliwave use
The present invention provides a modulator which has a high degree of modulation and a good modulation sensitivity. The modulator comprises an oscillating circuit and a resonator portion, and this...
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