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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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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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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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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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6717492 |
Planar dielectric integrated circuit with line conversion conductor patterns
A planar dielectric integrated circuit is provided such that energy conversion loss between a planar dielectric line and electronic components is small and that impedance matching between them can...
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6717480 |
Multielement oscillator employing higher mode planar resonator
A multielement oscillator employing a higher mode planar resonator being provided with the planar resonator and a plurality of oscillating elements. The planar resonator has a substrate, a...
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6714089 |
High frequency signal source and method of generating same using dielectric resonator oscillator (DRO) circuit
A high frequency signal source and method of generating a high frequency signal is disclosed. An output signal is generated from a dielectric resonator oscillator and mixed with an output signal...
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6657505 |
Dielectric resonator oscillator and voice control device
The invention relates to a dielectric resonator oscillator, comprising a dielectric resonator contained in a resonant cavity in order to generate a signal oscillating at a predetermined central...
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6653906 |
Controllable SAW oscillator component
A frequency-adjustable oscillator suitable for digital signal clock synchronization comprises a SAW oscillator circuit for generating an analog controlled-frequency signal and a sinewave-to-logic...
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6603367 |
Voltage controlled oscillators including tunable dielectric devices
A voltage controlled oscillator includes an active element having a first connection point for connection to a voltage source and an output connection point. A tunable resonator including a first...
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6593821 |
Frequency controlled oscillator
An oscillator generates an oscillation signal, and a phase shifter outputs a phase shift oscillation signal corresponding to a difference between a frequency of the oscillation signal and a target...
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6583677 |
Oscillator and an oscillator characteristic adjustment method
An oscillator including a circuit board having a dielectric layer therein; an oscillator circuit comprising its components and an inductor element, the components being mounted on a front surface...
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6552620 |
Power oscillator
An oscillator includes a solid state active device having an input and an output, a feedback circuit connected from the output of the active device to the input of the active device, the feedback...
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6549104 |
Tuneable cavity resonator
The invention concerns a tunable cavity resonator that comprises a resonator body ( 2, 3, 4 ) defining a cavity ( 5 ), a tuning plate ( 28 ) whose position with respect to the resonator body ( 2,...
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6545553 |
Oscillator for generating microwave radiation, and method of assembling an oscillator
An oscillator comprising an oscillator body having a waveguide and a substantially cylindrical bore intersecting the waveguide, and a package comprising a heat sink having a substantially...
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6545552 |
Local oscillator using non-radiative dielectric waveguide
Disclosed is a local oscillator utilizing an NRD guide applicable to a millimeter wave integrated circuits. A Gunn diode is buried in a bottom of a housing so that a heat generated from the Gunn...
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6538536 |
Dielectric resonator oscillator and methods of assembly therefor
A dielectric resonator oscillator (DRO) ( 200 , FIG. 2; 600 , FIG. 6; 900 , FIG. 9 ) includes a dielectric resonator ( 202, 602, 902 ) that is held in a fixed position with respect to the...
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6535072 |
Voltage controlled oscillator, voltage controlled oscillator device and radar device
A voltage controlled oscillator, a voltage controlled oscillator device, and a radar device provided therewith which can detect when the oscillation frequency becomes uncontrollable. According to...
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