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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...
7605667 Frequency synthesizer with a harmonic locked phase/frequency detector  
A frequency synthesizer. The frequency synthesizer comprises a harmonic locked phase/frequency detector, a low pass filter, a voltage controlled oscillator, and a frequency divider. The harmonic...
7586381 User-definable, low cost, low phase hit and spectrally pure tunable oscillator  
A tunable oscillator includes a first transistor, a second transistor connected in parallel with the first transistor, a noise feedback and bias network coupled to the first and second transistors,...
7570137 Monolithic microwave integrated circuit (MMIC) waveguide resonators having a tunable ferroelectric layer  
A ferroelectric loaded waveguide resonator capable of operation at microwave, millimeter-wave and higher frequencies and suitable for integration into a three-dimensional monolithic microwave...
7557669 Voltage controlled oscillator and its control method  
An object of the present invention is to provide a voltage controlled oscillator in a microwave band without narrowing the variable frequency range and having improved phase noise characteristics....
7545225 Regeneration device for rotary traveling wave oscillator  
An oscillator is described. The oscillator includes segments of two-conductor transmission line being connected together by an odd number of connection means to form a closed loop. A plurality of...
7541897 Dielectric resonator, voltage-controlled oscillator, and wireless apparatus  
A dielectric resonator having a line pattern that includes an electrode gap that defines a signal input/output portion provided on an open side, and a ground portion provided on a short-circuited...
7541885 Infinite radio frequency spectrum transceiver  
The present invention “Infinite Radio Frequency Spectrum Transceiver” (IRFS for short) relates to a circuit that emits and receives the complete radio frequency spectrum transmission as it...
7518464 Method and apparatus for digital synthesis of microwaves through balanced transmission line structures  
Conductor segments are positioned within a transmission line structure in order to generate microwave pulses. The conductor segments are switchably coupled to one or the other of the transmission...
7504898 High-frequency oscillator with a stacked film including a magnetization pinned layer  
A high-frequency oscillator includes a high-frequency oscillation element having a magnetization pinned layer whose magnetization direction is pinned substantially in one direction, an oscillation...
7463104 Frequency tunable oscillator  
There is provided a frequency tunable oscillator that has less degradation of oscillation characteristics due to a parasitic reactance component or the like without mounting therein a lumped...
7403076 High frequency quasi optical power source capable of solid state implementation  
In one embodiment, a high frequency quasi optical oscillator power source is provided which includes an array of amplifier devices each having an input antenna tuned for a fundamental frequency. A...
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...
7365615 Method and apparatus for digital synthesis of microwaves  
Conductor segments are positioned within a two conductor transmission line in order to generate microwave pulses. The conductor segments are switchably coupled to one or the other of the...
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...
7292112 Whispering gallery oscillator  
There is disclosed a whispering gallery oscillator for producing a low noise microwave output signal. The whispering gallery oscillator comprises a dielectric resonator 1 comprising paramagnetic...
7276981 3D MMIC VCO and methods of making the same  
A three dimensional (3D) microwave monolithic integrated circuit (MMIC) multi-push voltage controlled oscillator (VCO) and methods of making the same is provided. The 3D MMIC multi-push oscillator...
7262670 Low thermal drift, tunable frequency voltage controlled oscillator  
An oscillator comprising a cascode configured device having first, second and third terminals, a plurality of resonators and first circuitry coupled between the plurality of resonators and the...
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...
7230501 Oscillation circuit and electronic equipment  
An oscillation circuit comprises a SAW resonator having a pair of reflectors disposed on a piezoelectric substrate and a pair of IDTs which are set up in parallel between the pair of reflectors and...
7227434 Tuning screw assembly  
The present invention relates to a tuning screw assembly comprising a sleeve ( 100 ) with internal threads for engaging a tuning screw ( 200 ) having external threads. The sleeve comprises a first...
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...
7184798 Power conservation system and method  
A power management circuit is arranged to apply power to and remove power from its own oscillator to conserve power. A power-on reset circuit provides a power-on-reset signal to a state machine....
7180381 Wideband voltage controlled oscillator employing evanescent mode coupled-resonators  
In one aspect, the present invention includes a voltage controlled oscillator comprising an active device having a plurality of resonators coupled across two terminals of the device and at least...
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,...
7161438 Electronic circuitry  
Electronic circuitry for generating and distributing standing wave clock signals. The electronic circuitry includes one or more two-conductor transmission line segments that are interconnected with...
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...
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...
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...
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...
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...
7119625 High frequency oscillator using transmission line resonator  
A high frequency oscillator comprises a transmission line resonator having a midpoint which serves as a null potential point, a pair of active devices for oscillation respectively connected to a...
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...
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...
7053721 Oscillator having a resonant circuit and a drive circuit  
An oscillator includes a resonant circuit generating a resonant signal, a drive circuit that feeds back the resonant signal to the resonant circuit, and an output terminal connected to a given node...
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...
7046099 Temperature compensated oscillator  
An oscillator having a desired output frequency, comprising a cavity resonator 102 loaded with an anisotropic dielectric material and an oscillator circuit 100 including the cavity resonator ...
7035617 High power block upconverter  
A system and method for high power block upconversion having a stand-alone and surface-mountable component is provided. The HP-BUC system of the invention provides a “drop-in” component capable...
7015765 Resonant clock distribution for very large scale integrated circuits  
A circuit for distributing a clock signal in an integrated circuit includes a capacitive clock distribution circuit having at least conductor therein. At least one inductor is formed in a metal...
6960964 Oscillator  
An oscillator includes a transistor having a collector receiving a power supply voltage, a first capacitor connected between a base and an emitter of the transistor, a second capacitor connected...
6924707 Resonator  
A resonator minimizes degradation of the Q factor, accurately adjusts the frequency, and reduces the size and profile thereof. A voltage controlled oscillator including such a resonator includes a...
6911882 High-frequency module, transmitter-receiver, and method of adjusting characteristic of the high-frequency module  
A high-frequency module includes a dielectric plate in which a resonator is formed and a cover for covering the dielectric plate. A hole is provided in the cover. A laser beam for laser trimming...
6879219 High frequency oscillator with vertical resonator  
A high frequency oscillator includes a dielectric, cylindrical resonator (DR) as a frequency-determining element. The dielectric resonator (DR) is arranged vertically on a substrate (S) on its...
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...
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...
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...
6838948 Oscillation apparatus and communication apparatus using the same  
An oscillation apparatus has a multi-mode dielectric resonant element; a plurality of oscillation circuits, each including a line coupled to the dielectric resonant element and active devices...
6825734 Oscillator module incorporating spiral looped-stub resonator  
A transmission line configured as a looped-stub resonator is disclosed, which can be used as a frequency selective element for an oscillator, such as a VCO of a phase locked loop. The transmission...
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...