Matches 1 - 50 out of 279 1 2 3 4 5 6 >
Match Document Document Title
7622998 Solid state intra-cavity absorption spectrometer  
The present invention provides a solid state intra-cavity absorption spectrometer comprising a solid-state gain device interspersed in an array of oscillators in a chamber to produce a wide area...
7598817 Oscillator for outputting different oscillation frequencies  
An oscillator includes: oscillation units ( 11 through 1 n) outputting oscillation signals of different frequencies; a transmission line ( 15 ) to which outputs of the oscillation units ( 11, 12...
7581132 System and method for configuring a microcontroller clock system  
A method is provided for configuring a microcontroller clock system that includes a main oscillator, a phase locked loop, and a backup oscillator. According to the method, the main oscillator and...
7576618 Frequency synthesizer with a plurality of frequency locking circuits  
The present invention discloses a frequency synthesizer, including: a plurality of frequency locking circuits, for locking a plurality of clock signals to output the clock signals according to a...
7576616 Phase controlling apparatus, frequency controlling apparatus, oscillating apparatus, phase controlling method, and frequency controlling method  
A phase controlling apparatus is disclosed. The phase controlling apparatus controls phases of signals which are output from a plurality of signal sources corresponding to first phase information...
7573340 Temperature detecting apparatus  
There is provided a temperature detecting apparatus for improving operational characteristics, which vary according to the temperature, of elements in a semiconductor memory device. The temperature...
7551041 Oscillator and method for operating an oscillator  
An oscillator is provided that includes at least one capacitor, at least one comparator, and at least one device for charging or discharging the at least one capacitor. The capacitor is coupled to...
7538624 Oscillator having multiple oscillation units  
The present invention is an oscillator including: first transistors outputting oscillation signals of different oscillation frequencies to collectors; a common node to which outputs of emitters of...
7535306 Oscillator coupling system  
An oscillator coupling system includes a plurality of oscillating members and a plurality of delay members connecting at least two of the oscillating members. Between the delay members is a...
7519140 Automatic frequency correction PLL circuit  
An automatic frequency correction phase-locked loop (PLL) circuit includes an analog control circuit and a digital control circuit. The digital control circuit includes a High-side comparator and a...
7492194 Oscillator including phase frequency detectors for detecting a phase difference between two input signals and outputting a control command signal  
An oscillator includes phase frequency detectors, each detecting the phase difference between two input signals (output signal and external reference signal) and outputting a control command signal...
7414490 Dual-band voltage-controlled oscillator using bias switching and output-buffer multiplexing  
Disclosed is a dual-band voltage-controlled oscillator using bias switching and output-buffer multiplexing. The dual-band voltage-controlled oscillator includes a power supply unit for supplying a...
7397314 Redundant clock source  
A redundant clock source provides a stable clock source for digital system. The clock source uses two oscillators to generate a clock signal. If one of the oscillators fails, the clock signal is...
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...
7209015 Oscillator circuit having a temperature dependence  
An oscillator circuit includes a current source for generating a current depending on the ambient temperature, a plurality of oscillators for oscillating at respective periods depending on the...
7184205 Electromagnetic array structure capable of operating as an amplifier or an oscillator  
An apparatus and methods for operating a single quasi-optical structure are disclosed. The apparatus operates as an amplifier or an oscillator. The method disclosed teaches how to operate the...
7164324 CMOS single-ended frequency doubler  
A CMOS single-ended frequency doubler with improved subharmonic rejection and low phase noise which allows a single ended reference signal to be utilized in a Balanced Colpitts oscillator. The...
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...
7138877 PLL and method for providing a single/multiple adjustable frequency range  
A PLL circuit and method provides an adjustable operating frequency range by using at least two VCOs. In an embodiment of the present invention, circuit components of a PLL are adjusted in order to...
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...
7088189 Integrated low noise microwave wideband push-push VCO  
In one aspect, a voltage controlled oscillator is provided that includes circuitry comprising tunable coupled resonator networks, which are coupled to a terminal of a pair of three-terminal devices...
7061333 Slot line based high frequency oscillator using two-port element  
A high frequency oscillator has a substrate, a resonator circuit which is disposed on one principal surface of the substrate and consists of a closed loop-shaped slot line including an inner...
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...
6946921 Method and apparatus for producing high-frequency oscillations  
A method and apparatus for producing high-frequency oscillations is disclosed. A new resonator architecture minimizes via losses and supports a compact layout of active circuitry. The resonator...
6909333 Coplanar line based high frequency oscillator  
A high frequency oscillator has a substrate made of, for example, a dielectric material, a resonator circuit disposed on one principal surface of the substrate and formed of a finite-length...
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...
6744325 Quadrature ring oscillator  
A quadrature ring oscillator for high clock-rate applications is disclosed. A quadrature LC ring oscillator may use two stages of LC oscillators and variable mixers to provide consistent...
6714086 Symmetric oscillators  
A symmetrical oscillator includes a reactive element, such as an inductor, coupled between first and second active components, where the reactive element defines a fundamental resonant frequency...
6683504 Ring oscillator with random noise cancellation  
A ring oscillator integrated circuit is provided that is comprised of a plurality of parallely arranged ring oscillator sections, where a ring oscillator section can be any conventional ring...
6661298 Method and apparatus for a digital clock multiplication circuit  
A clock multiplication technique includes driving two oscillatory circuits by an input signal. One of the circuits has an inverted input. The oscillatory circuits are characterized by a transfer...
6512801 Receiver capable of selecting optimal voltage controlled oscillator  
A receive control portion activates each of VCOs, and then sets a reference dividing ratio N typ in the programmable divider. With each of the VCOs active, the receive control portion determines...
6429748 Oscillation circuits featuring coaxial resonators  
There is a manufacturing limit on how small ceramic coaxial resonators can be produced, which leads to a limit on the frequency of resonance for these resonators. One technique to double the...
6359520 Optically powered resonant tunneling device  
An improved resonant tunneling device (RTD) oscillator is provided by supplying electrical power to the RTD device 23 using a photocell 21 and a light source 25 such that essentially no...
6326854 Coaxial resonator and oscillation circuits featuring coaxial resonators  
There is a manufacturing limit on how small ceramic coaxial resonators can be produced, which leads to a limit on the frequency of resonance for these resonators. One technique to double the...
6310522 Multiple-push oscillator  
The present invention proposes a multiple-push oscillator for providing a high-frequency signal. The multiple-push oscillator combines N (at least 3) fundamental oscillators. Through the design of...
6297707 Microwave oscillator with dielectric resonator  
A microwave oscillator includes at least two active components and a dielectric resonator. The coupling between each active component and the dielectric resonator is of the transmission type and...
6275118 Push-push oscillator  
A push--push oscillator is formed by (a) a resonator circuit including a transmission line having one-half wavelength and both ends of the line being left open, and a capacitance for frequency...
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...
6232843 Plural coupled microwave oscillators providing phase shifted output signals  
A signal generator for producing a plurality of signals having the same frequency but a constant phase difference includes first and second cavity oscillators coupled to each other via an...
6218908 Method and apparatus for the injection lock of redundant oscillators  
A coupled oscillator arrangement is provided comprising first and second VCOs (voltage controlled oscillators), and a bi-directional interconnect which injection locks the first and second VCOs to...
6163223 High performance dual mode multiple source/local oscillator module  
A dual-mode multiple signal source/local oscillator module is capable of operating in either an independent offset mode or a common offset mode. The module includes first and second coarse...
6147563 Coupled cavity oscillator producing output signals with a constant phase difference  
An improved method and system for generating quadrature phase shift keying signals for use in data transmission is provided. A pair of oscillators are slaved to the transmit frequency and produce...
6104253 Integrated circuits having cooperative ring oscillator clock circuits therein to minimize clock skew  
Integrated circuits having cooperative ring oscillator clock circuits therein include a plurality of synchronous and asynchronous active devices on the substrate and a plurality of "cooperative"...
6075419 High speed wide tuning range multi-phase output ring oscillator  
A ring oscillator comprising: a plurality of sub-feedback loops, each comprising a pair of serially connected inverters and a feedback inverter having its input coupled to the output of the pair of...
6011441 Clock distribution load buffer for an integrated circuit  
A system for synchronizing circuit operation within an integrated circuit having a high frequency clock. The system includes an oscillator for providing a clock signal and a transmission line...
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...
5864258 VCO composed of plural ring oscillators and phase lock loop incorporating the VCO  
A voltage-controlled oscillator, with high noise rejection of the supply voltage, includes a plurality of delay cells in an odd number N≥3, which are connected to form a first ring oscillator and...
5859572 Oscillator and transmitter arrangement for power specific applications having parasitic impedances  
A transmitter system for transmitting an output signal having an output level and a signal to noise ratio. The transmitter system comprises a balanced oscillator comprised of a resonator for...
5808517 PTM signal generator combining outputs of multiple oscillators  
A high frequency pulse-time modulation (PTM) signal generator employs four or more high frequency oscillators which are mutually locked uniquely either in a symmetric mode or an antisymmetric mode...
Matches 1 - 50 out of 279 1 2 3 4 5 6 >