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Document Title |
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8164401 |
Tunable artificial dielectrics
Tuning devices and methods are disclosed. One of the devices comprises a metal structure connected with artificial dielectric elements, and variable capacitance devices. Each variable capacitance...
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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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8134421 |
Voltage control oscillator and quadrature modulator
A voltage control oscillator includes: first and second field effect transistors, a drain of one of which is connected to a gate of the other and a drain of the other of which is connected to a...
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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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8018290 |
Oscillator, transmitter-receiver and frequency synthesizer
An output terminal 6 is provided at the connecting point 5 between the collector terminal of a transistor 1 and an open-ended stub 4 by connecting the open-ended stub 4 to the collector terminal of...
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7949126 |
Unsplit bipolar pulse forming line
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...
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7852176 |
Tunable artificial dielectrics
Tuning devices and methods are disclosed. One of the devices comprises a metal structure connected with artificial dielectric elements, and variable capacitance devices. Each variable capacitance...
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7741921 |
Trigger-mode distributed wave oscillator system
A Trigger-Mode Distributed Wave Oscillator that provides accurate multiple phases of an oscillation and a method of use of the same. An auxiliary oscillator triggers an oscillation on independent...
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7274262 |
Methods and apparatus based on coplanar striplines
A standing wave oscillator to generate at least one voltage standing wave, comprising a closed-loop coplanar stripline including two conductors, and at least one amplifier disposed between the two...
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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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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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6949811 |
Device having interdigital capacitor
A device includes a transistor, and two interdigital capacitors. The transistor is located on an imaginary extension line aligned with a common electrode of the two interdigital capacitors.
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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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6771137 |
High-frequency oscillator
A high-frequency oscillator includes: a substrate composed of a dielectric material; a first transmission line of coplanar structure which is arranged on one principal surface of the substrate; an...
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6771139 |
Microwave pulse generator
The microwave pulse generator of the invention for generating microwave pulses with a pulse duration in the nanosecond range has a pulse generator that generates pulses of constant width, and a...
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6714088 |
Low-phase-noise oscillator with a microstrip resonator
A low-phase noise oscillator with a microstrip resonator for generating a target signal with a predetermined frequency is provided. The resonator includes a first microstrip line and a second...
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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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6559729 |
Oscillator, method for producing oscillator, and communication apparatus incorporating same
A miniaturized oscillator that is manufactured with greatly reduced production time and cost includes transmission lines defining resonance circuits provided on a circuit assembly board. In this...
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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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6512421 |
Gunn diode oscillator with NRD guide
An oscillation circuit is constructed by providing a line and a Gunn diode on a dielectric substrate, and an oscillation signal as the fundamental frequency signal of an oscillator is injected into...
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6504440 |
Dielectric resonance oscillation circuit
In a feedback type oscillation circuit including a first microstrip line connected to a signal input terminal of a transistor, a second microstrip line connected to a signal output terminal of the...
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6486744 |
Low phase noise voltage-controlled oscillator and method of using the same
A low phase noise voltage-controlled oscillator (VCO) and method are provided. The VCO comprises a negative resistance generator and a resonator that reduces VCO phase noise.
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6433646 |
Microwave oscillation circuit using a dielectric resonator
In a microwave oscillation circuit using a dielectric resonator, a bias resistor for determining a bias voltage supplied to a base terminal of a transistor is located in the neighborhood of a...
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6388535 |
Oscillator, and an oscillator characteristic adjustment method
A smaller oscillator module enables oscillation frequency to be adjusted from the back after assembly is finished. The oscillator has oscillator circuit components mounted on the front of a circuit...
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6384691 |
Millimeter wave low phase noise signal source module
A high frequency signal source module includes a housing have a high-Q dielectric puck and a transition enclosure employing an antipodal finline transition. A circuit module connected to the high-Q...
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6380815 |
Microwave pulse generator
The invention relates to a microwave pulse generator for generating microwave pulses with a pulse duration in the nanosecond range. The microwave pulse generator includes a pulse generator for...
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6369662 |
Oscillator, dielectric waveguide device, and transmitter
An oscillator, a dielectric waveguide device and a transmitter incorporating the same, wherein a special temperature-compensating circuit provides a temperature-compensated device with reduced size...
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6369664 |
Voltage controlled oscillator and electronic apparatus using same
A voltage controlled oscillator is provided which oscillates in a stable manner at a high frequency and obtains a large variable range of frequency. The oscillator includes a transistor, and...
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6326857 |
Microwave voltage controlled oscillator formed and located on a high dielectric loss substrate with a controlled circuit
A voltage controlled oscillator formed as a first layout with metallized areas by a planar technique is located on a high dielectric loss substrate. A second layout formed of metallized area for...
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6259332 |
Microwave oscillator for obtaining the low phase noise characteristic
A microwave oscillator is disclosed, that comprises an FET, a series feedback short-circuited stub connected to the source terminal of said FET, a transmission line and a capacitor connected in...
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6246295 |
Planar radiation oscillator apparatus
A planar radiating oscillator apparatus for micro- and milliwaves includes a pair of conductor patches disposed with their pointed portions in proximity and their far edges on opposite sides, a...
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6124767 |
RF/Microwave oscillator
An RF/Microwave oscillator is disclosed that has the high-Q, low-loss, and phase noise performance of a DRO, without the need of a dielectric resonator to achieve such performance. The RF/Microwave...
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6114918 |
Low phase-noise device comprising a microstrip-mounted coaxial dielectric resonator and method of reducing the phase noise in such a device, in particular in a voltage-controlled oscillator
A low phase-noise device, like e.g. a microstrip-mounted voltage-controlled oscillator (VCO) is described, and also a method of reducing such a noise in such devices or other devices comprising a...
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6060954 |
Oscillator device having inductor formed inside multi-layer circuit board
An oscillator device including at least an inductor, a resistor, a transistor and a capacitor is disclosed. The oscillator device further includes a first transmission layer for electrically...
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5982244 |
High-frequency voltage controlled oscillator
A voltage controlled oscillator provides a trimming stub (3) for adjusting a free-running frequency in parallel to a microstrip line resonator (4). This arrangement makes it possible to easily...
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5982245 |
Radiating oscillator apparatus for micro-and millimeter waves
A radiating oscillator apparatus for micro- and millimeter waves includes paired fan-shaped conductor patches disposed with their pointed portions in proximity and their arcuate portions on...
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5942950 |
Varactor tuned strip line resonator and VCO using same
A low noise wide tuning bandwidth voltage controlled oscillator employs a resonator circuit formed from at least two microstrip lines which are electromagnetically coupled to one another. Each of...
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5929712 |
Phase locked loop having frequency divider coupled to stub on VCO
A phase locked loop includes a voltage controlled oscillator, a frequency divider for frequency-dividing an output from the voltage controlled oscillator, a phase comparator for comparing an output...
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5852384 |
Dual band oscillator circuit using strip line resonators
A dual band oscillator circuit according to the present invention comprises an oscillator circuit portion that oscillates at a first frequency, an oscillator circuit portion that oscillates at a...
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5834981 |
Whispering gallery mode dielectric resonator oscillator circuit
A microwave source has an amplifying transistor capable of operating at microwave frequencies and a frequency selection circuit. The circuit has a whispering mode dielectric resonator and a...
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5821827 |
Coplanar oscillator circuit structures
An oscillator circuit having a flip chip metalization pattern and base substrate metalization pattern is defined such that a common-drain oscillator is configured with the common drain interposed...
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5801590 |
Dielectric resonator oscillator and down converter using the same
An oscillator circuit including a metal plate secured to a dielectric substrate. A micro strip line is mounted on the dielectric substrate. One end of the micro strip line is connected to the gate...
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5701104 |
Radio-frequency oscillator of planar design
In order to improve the phase noise and the temperature stability of a dielectric resonator oscillator, the cylindrical dielectric resonator which is important for the oscillation frequency is...
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5652549 |
Integrated circuit ring oscillator having line driver with double line feedback
A monolithically integrated oscillator is implemented as ring oscillator with a line driver and a double line formed on one and the same chip. A running time of the double line is selected...
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5617104 |
High Tc superconducting tunable ferroelectric transmitting system
Three embodiments of a tunable ferroelectric transmitting system are included. Each embodiment includes a tunable oscillator and a tunable antenna. Two embodiments include a negative resistance...
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5578969 |
Split dielectric resonator stabilized oscillator
A split dielectric resonator having two preferably half cylindrical dielectric elements is used to stabilize an oscillator operating at microwave frequencies. Fine tuning may be achieved by means...
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5561403 |
Oscillator and modulator arrangements on a circuit board
A printed circuit board includes an oscillator and a modulator. The oscillator includes a first printed inductor and a capacitive diode which are printed on one side of the printed circuit board....
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5512862 |
Oscillator with improved sideband noise
An oscillator (200) with improved sideband noise is disclosed. This improvement is accomplished without affecting the Q or the output power of the oscillator (200). The improvement is realized by...
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5473287 |
Electronic oscillator with transmission line tuning of phase noise and linearity
An improved electronic oscillator of limited bandwidth for better phase noise and linearity characteristics, and method for production, where a transmission line of specific characteristics is...
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