Matches 1 - 50 out of 171 1 2 3 4 >
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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...
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...
7091802 Methods and apparatus based on coplanar striplines  
Methods and apparatus for implementing standing wave oscillators (SWOS) using coplanar striplines (CPS). One example is given by a quarter-wavelength (λ/4) coplanar stripline standing wave...
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...
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...
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.
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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.
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
5446419 Microwave oscillation apparatus capable of suppressing spurious oscillation  
In a microwave oscillation apparatus including a negative resistance element, a microstrip line having a first end connected to the negative resistance element and a second end connected to a...
5440276 Voltage controlled oscillating circuit for preventing a load pulling  
A voltage controlled oscillating circuit is disclosed. The circuit includes: a μ-strip resonance circuit for deciding the resonance frequency in accordance with an external tuning voltage; an...
5434542 High-frequency oscillator for 1.6 to 3 GHz frequency range  
A high-frequency oscillator is provided for a frequency range of 1.6 to 3 GHz. An oscillator stage includes an oscillator transistor and a voltage-controlled resonator unit. A buffer stage is...
5432482 Variable-frequency microwave oscillator with multi-resonator matching circuit  
An injection-locked variable-frequency high-power microwave frequency generator includes an injection source, a circulator, and an oscillator. The circulator includes an injection port to the...
5345194 FET having two gate bonding pads for use in high frequency oscillator  
A FET comprising two or more gate pads or terminals, and a reflection type oscillator including the above-mentioned FET. In this oscillator, a dielectric resonator is connected through a coupling...
5341111 Microwave oscillator circuit  
A microwave oscillator circuit is provided for decreasing the number of passive elements such as inductance, etc. in microwave oscillators and frequency doublers. A microwave oscillator circuit is...
Matches 1 - 50 out of 171 1 2 3 4 >