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| Number | Title | Issue Date |
| 8125282 | Dual-band coupled VCO In a dual band capable voltage controlled oscillator VCO circuit comprising two voltage controlled oscillator units VCO1, VCO2, the voltage controlled oscillator units VCO1, VCO2 are synchronized and connected via at least two coupled tra... | 02/28/2012 |
| 7515006 | Resonator for a voltage controlled oscillator and manufacturing method thereof An LC resonator (117; 122) for a voltage controlled oscillator (13; 116) has an inductive transmission line 31; 51), and input and output ports (33a-b; 53a-b) connected to the transmission line, wherein ... | 04/07/2009 |
| 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 resonance voltage to the dielectric resonator, a switch for applying a v... | 05/27/2008 |
| 7369007 | Oscillating circuit for suppressing second harmonic wave An oscillating circuit includes an oscillating transistor in which the collector or the base is grounded in a high-frequency manner, and a bias resistor connects the emitter of the oscillating transistor to a ground in a direct-current manner. In the oscillating cir... | 05/06/2008 |
| 7365612 | Low noise, hybrid tuned wideband voltage controlled oscillator An oscillator comprising an active device having first, second and third terminals, a plurality of micro-stripline resonators coupled together to form a coupled-resonator network, the coupled-resonator network being coupled to the second terminal of the active devic... | 04/29/2008 |
| 7348837 | Point diffusion signal distribution with minimized power consumption and signal skew For distributing a signal to loads in an area, the area is divided into a plurality of regions. A respective signal point is disposed in each region for providing the signal to a load in the region. A respective diffusion point is disposed between any two neighborin... | 03/25/2008 |
| 7332975 | Reference-less clock circuit A programmable reference-less oscillator provides a wide range of programmable output frequencies. The programmable reference-less oscillator is implemented on an integrated circuit that includes a free running controllable oscillator circuit such as a voltage contr... | 02/19/2008 |
| 7274263 | Microstrip stabilized quantum well resonance-tunneling generator for millimeter and submillimeter wavelength range A microstrip stabilized quantum well resonance-tunneling generator which generates electromagnetic waves for millimeter and submillimeter wavelength range is provided The generator includes a resonant tunneling semiconductor quantum well diode, and a microstrip reso... | 09/25/2007 |
| 7269402 | PLL circuit having a multi-band oscillator and compensating oscillation frequency A semiconductor integrated circuit device for communication is provided with a PLL circuit or the like formed therein, the PLL circuit which is capable of realizing the compensation of fluctuation due to temperature change, the inhibition of increase in the chip are... | 09/11/2007 |
| 7265642 | User-definable thermal drift voltage control oscillator A voltage controlled oscillator that includes a slot-cut-microstrip-line coupled between a resonator, a tuning diode network and an active device and being operable to act as a common-coupling capacitor between the resonator, the tuning diode network and the active ... | 09/04/2007 |
| 7263340 | PLL circuit having a multi-band oscillator and compensating oscillation frequency A semiconductor integrated circuit device for communication is provided with a PLL circuit or the like formed therein, the PLL circuit which is capable of realizing the compensation of fluctuation due to temperature change, the inhibition of increase in the chip are... | 08/28/2007 |
| 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 second terminal of the cascode configured device. The first circuitry is ... | 08/28/2007 |
| 7250824 | Voltage controlled oscillator with linear capacitance The voltage controlled oscillator comprises an amplifier and an oscillating system comprising an inductor and a first and second variable capacitor connected in series, each having a capacitance varying according to its control voltage. The capacitance of one of the... | 07/31/2007 |
| 7230552 | Temperature compensation apparatus, systems, and methods In some embodiments, apparatus and systems, as well as methods, may include providing an analog temperature output responsive to a combination signal comprising a combination of an analog compensation output and a reference signal, and converting the analog temperat... | 06/12/2007 |
| 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 threaded portion (32) which is axially displaced in ... | 06/05/2007 |
| 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 oscillations and these oscillations have slightly different phases at position... | 05/15/2007 |
| 7218910 | High impedance circuit A high impedance circuit of the present invention includes an LC parallel resonance circuit for raising circuit impedance, and a diode, which is connected in parallel to the LC parallel resonance circuit, causing a loop current to flow back via the diode and an indu... | 05/15/2007 |
| 7209401 | Ring oscillator dynamic adjustments for auto calibration An apparatus compensates for voltage and temperature variations on an integrated circuit with: a voltage sensor having a digital voltage output; a temperature sensor having a digital temperature output; a register coupled to the voltage sensor and the temperature se... | 04/24/2007 |
| 7206371 | Transmitting and receiving apparatus capable of the suppression of the microphonic noise in digital transmission system A transmitting and receiving apparatus including a modulating circuit for modulating an input digital data; a first frequency converting circuit for converting a signal output from the modulating circuit into a signal of a predetermined frequency; an amplifying/bran... | 04/17/2007 |
| 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 one resonator coupled across the plurality of resonators. The at least ... | 02/20/2007 |
| 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, coupled transmission lines capable of increasing the frequency selectiv... | 01/09/2007 |
| 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 resonator is reached. The lasers used may be excimer lasers or solid-... | 12/12/2006 |
| 7145408 | 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. At least one additional inductor is formed in a metal layer of the integrated circuit and is coupled to the clock distribution circuit. The inductor,... | 12/05/2006 |
| 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 outputs of the pair of amplifiers to each other, a slot line disposed bet... | 12/05/2006 |
| 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 amplifiers, a slot line disposed between the inputs and the outputs of t... | 12/05/2006 |
| 7142067 | Voltage-controlled oscillator, composite module, and communication apparatus A voltage controlled oscillator includes a resonant circuit having a choke coil, a variable-capacitance diode, coupling capacitors, a resonant capacitor, a resonator, and a bypass capacitor. An amplifying circuit includes a buffer amplifying transistor, an oscillati... | 11/28/2006 |
| 7138870 | System and method for providing a lossless and dispersion-free transmission line A lossless (or low loss) transmission line can be constructed using an auxiliary conductor inductively coupled to the primary conductor and driven by the primary conductor through an active shunt network distributed along the transmission line. The auxiliary conduct... | 11/21/2006 |
| 7132900 | High frequency semiconductor integrated circuit device, wireless electric unit and wireless communication system If a transmission oscillator is incorporated into a communication semiconductor integrated circuit, such as high a frequency IC, constituting a wireless communication system, a problem arises. The accuracy of control of the output power of a power amplifier is degra... | 11/07/2006 |
| 7132890 | System and method for providing distributed amplification A distributed amplifier, or if desired, an oscillator can be constructed using an active transmission line. The active transmission line, in turn, can be constructed using an auxiliary conductor inductively coupled to the primary conductor. The auxiliary conductor i... | 11/07/2006 |
| 7116183 | Temperature compensated voltage controlled oscillator A VCO with temperature compensation is achieved using reverse biased diodes. The VCO includes an amplifier that provides the required signal gain, a resonator tank circuit that provides the required phase shift, and at least one frequency tuning circuit for tuning t... | 10/03/2006 |
| 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 designed to be attached to at least one printed-board-like electric or e... | 09/26/2006 |
| 7109811 | Voltage controlled oscillator, composite module, and communication apparatus A resonant circuit includes a choke coil, a variable-capacitance diode, coupling capacitors, a resonant capacitor, a resonator defining an inductor element, and a bypass capacitor. An amplifying circuit includes a buffer amplifying transistor, an oscillating transis... | 09/19/2006 |
| 7098750 | Wide frequency range agile voltage controlled oscillator A voltage controlled oscillator that can rapidly change frequencies over a wide range is disclosed. The voltage controlled oscillator has a transistor having a base, an emitter and a collector. An output port and a power supply port are connected to the collector. A... | 08/29/2006 |
| 7095366 | High-frequency oscillation apparatus, radio apparatus, and radar A high-frequency oscillation apparatus wherein an oscillation signal output from a voltage controlled oscillator (VCO) is transferred through a transfer line to a resonator and the resonator is excited. The resonator is coupled with a second transfer line and an RF ... | 08/22/2006 |
| 7088194 | Semiconductor integrated circuit device In an oscillator, a FET, an output matching circuit having a diode, an LC series resonant circuit having a capacitor and an inductor, a transmission line, and a source inductor are arranged on one surface of a substrate consisting of a semiconductor material. The so... | 08/08/2006 |
| 7085872 | High frequency bus system A high frequency bus system which insures uniform arrival times of high-fidelity signals to the devices on the high frequency bus, despite the use of the bus on modules and connectors. A high frequency bus system includes a first bus segment having one or more devic... | 08/01/2006 |
| 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 a high-Q cavity to self-sustain an oscillating signal formed by feedi... | 07/11/2006 |
| 7068117 | Power supply ripple rejection in tuner oscillator stage A bipolar transistor (Tr) in an oscillator stage of a tuner is provided with a diode (D10) in series with a resistor (R11) coupled between the base of the transistor (Tr) and the reference voltage to which the emitter of the transistor (Tr) is coupled.... | 06/27/2006 |
| 7068557 | Ring oscillator dynamic adjustments for auto calibration An apparatus compensates for voltage and temperature variations on an integrated circuit with: a voltage sensor having a digital voltage output; a temperature sensor having a digital temperature output; a register coupled to the voltage sensor and the temperature se... | 06/27/2006 |
| 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 least in part on said semiconductor material substrate. A directiona... | 06/27/2006 |
