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8183943 Oscillator and phase synchronizing circuit  
When a direct-current voltage is applied from a power supply, a signal line generates a standing wave having the ¾ wavelength where a starting end of the signal line connected to the power supply ...
8169269 Hartley voltage controlled oscillator  
In a Hartley voltage controlled oscillator (VCO) circuit comprising two inductors (Ld, Lg), a transistor (Q1) and a varactor (C), the two inductors (Ld, Lg) are arranged as a coupled inductor pair...
8143960 Voltage controlled oscillator with multi-tap inductor  
According to one exemplary embodiment, a voltage controlled oscillator configured to operate in low and high band modes includes a low band section and a high band section. The voltage controlled...
8115557 Variable inductance circuitry for frequency control of a voltage countrolled oscillator  
An electronic device is made from a first substrate with device circuitry including an inductor and a second substrate with inductance adjustment circuitry including a number of other inductors....
8106714 Adjustable capacitor, digitally controlled oscillator, and all-digital phase locked loop  
An adjustable capacitor is provided including a capacitor unit including a plurality of capacitor groups aligned in a matrix format and a switch unit to adjust capacitance by connecting the...
8102218 Parallel-structured switched variable inductor circuit  
An inductor circuit includes a pair of inductors connected in parallel with each other and a switch for turning on and off electric power to one of the pair of inductors. The inductance of the...
8063712 Method and system for voltage controlled oscillator impedance control to optimize performance, efficiency, and power consumption  
Methods and systems for VCO impedance control to optimize performance, efficiency, and power consumption are disclosed and may include selectively coupling one of a plurality of taps on a multi-tap...
8044732 Continuously tunable inductor and method to continuously tune an inductor  
A continuously tunable inductor with an inductive-capacitive (LC) voltage controlled oscillator (VCO) having a primary coil. The inductor includes a separate isolated secondary coil, a set of...
7952444 CMOS power oscillator with frequency modulation  
CMOS power oscillator and a method of frequency modulating a CMOS power oscillator. The oscillator comprises a transformer-based feedback CMOS power oscillator circuit formed on a chip-substrate,...
7936224 Voltage controlled oscillator  
An embodiment of the voltage controlled oscillator is provided. The oscillator comprises a first inductor set, a second inductor set, a second capacitor, a voltage source and a negative resistance...
7920030 Multi-phase voltage-control oscillator  
A multi-phase voltage-control oscillator including a first voltage-control oscillator circuit and a second voltage-control oscillator circuit is provided. The second voltage-control oscillator...
7915968 Digitally controlled oscillator (DCO)  
A digitally controlled oscillator (DCO) includes a current generator which generates an electric current having a magnitude corresponding to an input signal, and a digitally controlled oscillating...
7902934 Variable inductor, and oscillator and communication system using the same  
There are provided a variable inductor with little degradation in quality factor, and an oscillator and a communication system using the variable inductor. An inductance controller comprising a...
7893786 Parallel-structured switched variable inductor circuit  
An inductor circuit includes a pair of inductors connected in parallel with each other and a switch for turning on and off electric power to one of the pair of inductors. The inductance of the...
7782101 Injection-locked frequency divider  
An injection-locked frequency divider for dividing a frequency of an injection signal and obtaining a frequency divided signal is provided. The injection-locked frequency divider includes a signal...
7750748 Method and apparatus for distributing clock signal using standing waves  
A Method and an apparatus for distributing a clock signal are disclosed. The apparatus for distributing a clock signal includes a pair of flat plates, a variable inductor and a connection channel....
7655536 Methods of forming flash devices with shared word lines  
Word lines of a NAND flash memory array are formed by concentric, rectangular shaped, closed loops that have a width of approximately half the minimum feature size of the patterning process used....
7652541 Dual-mode voltage-controlled oscillator  
A novel form of an integrated variable inductor uses an on-chip transformer together with a variable capacitor. The variable capacitor can either be a varactor or a switched capacitor array and is...
7649424 Method of adjusting the resonance frequency of an L-C resonant circuit and resonant circuit  
An L-C resonant circuit with an adjustable resonance frequency, having a capacitor and a first inductor electrically coupled together and a second inductor magnetically coupled to the first...
7633352 Integrated tunable resonance circuit  
An integrated tunable resonance circuit is provided for providing a high-frequency output signal with a frequency dependent on a control signal, comprising a parallel resonance circuit with a first...
7564319 Vertical LC tank device  
An LC tack structure. The structure, including a set of wiring levels on top of a semiconductor substrate, the wiring levels stacked on top of each other from a lowest wiring level nearest the...
7551038 Multi-phase voltage-control oscillator  
A multi-phase voltage-control oscillator including a first voltage-control oscillator circuit and a second voltage-control oscillator circuit is provided. The first voltage-control oscillator...
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,...
7511588 Flux linked LC tank circuits forming distributed clock networks  
CMOS LC tank circuits and flux linkage between inductors can be used to distribute and propagate clock signals over the surface of a VLSI chip or processor. The tank circuit offers an adiabatic...
7508280 Frequency adjustment techniques in coupled LC tank circuits  
CMOS LC tank circuits and flux linkage between inductors can be used to distribute and propagate clock signals over the surface of a VLSI chip or μprocessor. The tank circuit offers an adiabatic ...
7417511 Modulation circuit with integrated microelectro-mechanical system (MEMS) components  
A modulation circuit includes a microelectronic electromechanical system (MEMS) based resonant structure having a resonant frequency, an excitation input and an output. A control module is coupled...
7403075 Ultra wide band signal generator  
Disclosed is an ultra wide band signal generator. The ultra wide band signal generator generates a signal of a required frequency using a harmonic signal having a frequency range of a ultra wide...
7362194 Oscillator circuit and L load differential circuit achieving a wide oscillation frequency range and low phase noise characteristics  
An oscillator circuit is formed of a differential LC resonant circuit formed of an L load differential circuit including inductance-variable portions and a capacitor element, and a positive...
6882182 Tunable clock distribution system for reducing power dissipation  
A tunable clock distribution system is used to minimize the power dissipation of a clock distribution network in an integrated circuit. The tunable clock distribution system provides a tunable...
6861913 Voltage-controlled oscillator with LC resonant circuit  
A voltage-controlled oscillator device with an LC-resonant circuit, in particular for implementing integrated voltage-controlled oscillators for the lower GHz range, is disclosed. The device...
6853257 PLL circuit including a voltage controlled oscillator and a method for controlling a voltage controlled oscillator  
A voltage controlled oscillator having a wide oscillation frequency band, desirable carrier-noise characteristic, and desirable linearity of the oscillation frequency relative to a control voltage....
6621365 Method and apparatus providing a dual mode VCO for an adaptive receiver  
An RF VCO (260A) forms, in the preferred embodiment, a part of a dual mode mobile station (100). Also disclosed is a method for operating the VCO. The VCO is operated in a first frequency band...
6597248 Voltage-controlled oscillator  
A voltage-controlled oscillator in a phase-locked loop includes an LC oscillator. Control inductors are disposed of in the proximity of oscillator inductors, respectively. The control inductors are...
6437653 Method and apparatus for providing a variable inductor on a semiconductor chip  
One embodiment of the present invention provides an inductor with a variable inductance within a semiconductor chip. This inductor includes a primary spiral composed of a conductive material...
6307440 Oscillating circuit, an oscillator frequency adjusting method, and a tuner  
In an oscillator circuit employing a pattern coil on a printed-wiring circuit board as a resonator circuit, in order to satisfactorily adjust dispersion in oscillation frequencies, an air-core coil...
6255913 Variable frequency oscillator circuit  
A variable frequency oscillator (VFO) circuit having an increased frequency tuning range to selectively obtain operating frequencies above and below a set frequency. The circuit includes a tank...
6194976 Multiple band voltage controlled oscillator using impedance scaling  
A multiple band voltage controlled oscillator capable of generating multiple operating frequencies, and a method of generating multiple operating frequencies, includes a tank circuit having a diode...
6184755 Article comprising a variable inductor  
A micromechanical variable/tunable inductor is disclosed. The present inductor comprises at least two elements capable of supporting spatial electromagnetic coupling and means for varying a...
6127900 Dual frequency synthesis system  
The present invention includes a Voltage Controlled Oscillator (VCO) having a resonant circuit capable of being quickly switched between two resonant frequencies in order to generate two different...
6124766 Frequency converter circuit for cable modem tuner  
A local oscillation circuit in a frequency converter circuit includes a resonant circuit, and a differential amplifier circuit connected to the resonant circuit. The differential amplifier circuit...
6121850 Digitally adjustable inductive element adaptable to frequency tune an LC oscillator  
A digitally adjustable inductive element which can be implemented in an integrated circuit. The digitally adjustable inductive element can include a first inductor, and a digital inductance...
6107893 Voltage tunable active inductorless oscillator  
An inductorless voltage controlled oscillator that may be fabricated using CMOS circuit elements. In one aspect, the present invention includes a synthetic inductance formed on a substrate and...
6101371 Article comprising an inductor  
An article comprising a micro-machined, passively self-assembling inductor is disclosed. The inductor is fabricated using MEMS technology and advantageously utilizes materials compatible with CMOS...
6005450 Microwave oscillator having at least one adjustment pin  
A microwave oscillator includes a waveguide that is short-circuited on one side and a diode arranged therein, which receives its supply voltage by way of a coupling pin passed through a waveguide...
5872489 Integrated tunable inductance network and method  
An integrated, tunable inductance network features a number of fixed inductors fabricated on a common substrate along with a switching network made up of a number of micro-electromechanical (MEM)...
5850163 Active inductor oscillator with wide frequency range  
An active inductor oscillator includes a tank circuit for generating a first differential signal, a common-mode inverting differential buffer for generating a second differential signal in response...
5821825 Optically controlled oscillator  
An optically controlled oscillator utilizes a HEMT or a PIN diode as a photodetector and either a HEMT or HBT as an active inductor. The optically controlled HEMT active inductor provides a means...
5745013 Variable-frequency oscillator configuration  
A variable-frequency oscillator configuration, in particular for tuners, includes a feedback network for an oscillator amplifier. The feedback network contains a series circuit formed by two...
5709811 Magnetic material for microwave and high-frequency circuit component using the same  
A magnetic material for microwave, comprising a phase having garnet structure, said phase comprising a component represented by Formula I (A3-a Bia)Bx Oy Formula I where A represents a component...
5602515 High-frequency generator with harmonic-tuned resonant circuits  
In order to improve the efficiency of a self-starting high-frequency generator, where for self-starting power is fed back from the anode circuit to the control grid of the grid-controlled electron...
Matches 1 - 50 out of 222 1 2 3 4 5 >