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Patent # Description
US-6,515,566 Electronic component having wire
An electronic component is constructed to prevent Cu elution to a solder from a wire, and also prevents the wire from becoming thin and being broken. A chip coil...
US-6,515,565 Electromagnetic device equipped with solenoid, automatic player using the same and automatic player keyboard...
An electromagnetic device has a bobbin with collars projecting from a cylindrical body, L-shaped conductive pins partially embedded in the collar so that first...
US-6,515,564 Electric circuit interrupter
A ground fault circuit interrupter (GFCI) for opening a circuit when a ground fault has been detected in an attached circuit includes a current path structure...
US-6,515,563 Print board and electronic device equipped with the print board
A print board comprises a ground layer, an insulation layer, a signal layer formed on the insulation layer, formed in a predetermined line pattern, and serving...
US-6,515,562 Connection structure for overlapping dielectric waveguide lines
A connection structure for dielectric waveguide lines, which includes dielectric waveguide lines including dielectric substrates, a pair of main conductor...
US-6,515,561 Connecting structure and frequency adjusting method therein
A connecting structure for high frequency circuits is provided, with which components can be readily replaced, and which does not require high assembly accuracy...
US-6,515,560 Active inductor
An active inductor includes an MOSFET having a gate, a drain serving as an output terminal and a grounded source, the MOSFET having a transconductance gm1, and a...
US-6,515,559 In-band-flat-group-delay type dielectric filter and linearized amplifier using the same
A small in-band-flat-group-delay type dielectric filter having low-loss characteristics with a small amplitude deviation and uniform-group-delay frequency...
US-6,515,558 Thin-film bulk acoustic resonator with enhanced power handling capacity
A filter and a method for fabricating a filter comprising a thin film bulk acoustic wave resonator (FBAR), the FBAR including a plurality of layers of different...
US-6,515,557 Isolating signal divider/combiner and method of combining signals of first and second frequencies
A signal divider/combiner (11) and method combines first and second frequency signals received by microstrip patch antennas (58, 48). A first transmission line...
US-6,515,556 Coupling line with an uncoupled middle portion
It is to provide a high-frequency component using a small coupling line, capable of easily adjusting an electrical characteristic. A first transmission line...
US-6,515,555 Memory module with parallel stub traces
A printed circuit board is described. That printed circuit board includes a capacitive load that is coupled to a signal trace. The signal trace has a first...
US-6,515,554 High-frequency circuit device and communication apparatus
Electrodes are formed on both top and bottom surfaces of a dielectric plate and grounded coplanar lines, as transmission lines, are formed on the top surface of...
US-6,515,553 Delta-sigma based dual-port modulation scheme and calibration techniques for similar modulation schemes
PLL frequency synthesizers and their calibration techniques are described. The PLL frequency synthesizers are used to generate digital modulation of a carrier...
US-6,515,552 Voltage control oscillator with stable free run frequency using current clamping
An integrated circuit with a voltage-controlled oscillator that provides an oscillation signal with an unmodulated frequency that remains constant in response to...
US-6,515,551 Programmable oscillator scheme
An oscillator circuit configured to generate an output signal having a frequency comprising a current source, a trim circuit, and one or more capacitors. The...
US-6,515,550 Bipolar ring oscillator with enhanced startup and shutdown
A ring oscillator, such as a bipolar ring oscillator with enhanced, fast startup and shutdown includes a series of a plurality of inverting differential stages...
US-6,515,549 Semiconductor device having critical path connected by feedback ring oscillator
In a semiconductor integrated circuit, a selector 1 selects a signal FB at the input thereof by giving a proper level to a signal EN. By setting two-phase scan...
US-6,515,548 Temperature compensated oscillator, its manufacturing method, and integrated circuit for temperature...
A temperature compensated oscillator has a frequency comparing circuit for comparing a frequency of an oscillating output signal of an oscillator circuit and a...
US-6,515,547 Self-biased cascode RF power amplifier in sub-micron technical field
A method for increasing the maximum useable supply voltage in an amplifier circuit is presented. A self-biased cascode amplifier circuit includes a first MOSFET...
US-6,515,546 Bias circuit for use with low-voltage power supply
A transistor bias circuit is provided that is capable of operating from a power supply voltage that is slightly higher than twice the base-emitter voltage of the...
US-6,515,545 RF power amplifier transistor quiescent current checking and adjusting
A power amplifier system is presented for use in amplifying an RF input signal comprising N sub-power amplifiers are connected together in parallel with each...
US-6,515,544 Multi-terminal power combining feed-forward amplifier
A feed-forward amplifier configuration 40.sub.n having a distortion detector circuit and a distortion canceller circuit is formed between an input port Ip.sub.n...
US-6,515,543 Circuit configuration for controlling nonlinear paths
An electrical circuit is provided for controlling nonlinear paths. A first linearization block and a second linearization block are provided, which may each have...
US-6,515,542 Differential intermediate frequency (IF) amplifier with narrow band noise dithering for driving high speed...
An amplifier circuit includes a first operational amplifier having an inverting input and a non-inverting input. The non-inverting input receives an input...
US-6,515,541 Multi-level power amplifier
A high efficiency, multiple power output power amplifier uses a pair of amplifiers having similar characteristics coupled to a pair of radio frequency RF...
US-6,515,540 High order multi-path operational amplifier with output saturation recovery
An amplifier is disclosed including multiple integrator stages. The amplifier includes a low-frequency path from a signal input to a signal output and relatively...
US-6,515,539 Microwave devices based on chemically induced dynamic electron spin polarization
Optically pumped masers are described. The devices are useful for microwave amplification, microwave phase shifting and microwave limiting function. The devices...
US-6,515,538 Active bias circuit having wilson and widlar configurations
An active bias circuit having a combined configuration of the Wilson and Widlar current source configurations is provided, which makes it possible to set the...
US-6,515,537 Integrated circuit current source with switched capacitor feedback
An integrated circuit current source includes an oscillator, a capacitor, a capacitor charging circuit and a capacitor discharging circuit, all formed on an...
US-6,515,536 Differential charge pump with low voltage common mode feedback circuit
A differential charge pump utilizing a common mode feedback circuit. The charge pump includes a dual reference current source and outputs a differential current...
US-6,515,535 Charge pump circuit
Charge transfer MOS transistors M1 and M2 at front two stages are constructed of an N-channel type, and charge transfer MOS transistors at rear two stages are...
US-6,515,534 Enhanced conductivity body biased PMOS driver
According to one embodiment of the present invention a method for biasing a body of a transistor. The method includes detecting a voltage applied to a terminal...
US-6,515,533 Multi-input comparator
A multi-input comparator in accordance with the invention determines a minimum or maximum signal value in a given set of signal values. An illustrative...
US-6,515,532 Level shift circuit for shifting voltage levels
A level shift circuit includes an initial stage circuit section which converts an input signal into a signal having a voltage level of the first high voltage...
US-6,515,531 Multichip configuration
A multichip configuration in which a plurality of semiconductor chips in a module are connected together in such a way that the voltage drop across internal gate...
US-6,515,530 Dynamically scalable low voltage clock generation system
A phase locked loop (PLL) circuit uses a programmable frequency divider (PRFD) to generate a feedback clock from the PLL output clock. The PLL power supply...
US-6,515,529 Semiconductor buffer circuit with a transition delay circuit
The present invention is directed to a transition delay circuit. The transition delay circuit includes a delay circuit which is responsive to an input signal....
US-6,515,528 Flip-flop circuit
A flip-flop circuit comprises a master latch circuit (2), which receives an input signal (D), and, connected in series therewith, a slave latch circuit (3), the...
US-6,515,527 Method for smoothing dI/dT noise due to clock transitions
A method for increasing a transition time period for an edge transition of a clock signal has been developed. The method includes detecting an edge transition of...
US-6,515,526 Phase fluctuation generation
A phase fluctuation generation circuit includes a phase detection circuit for detecting a phase difference between a reference clock signal and a fed-back clock...
US-6,515,525 Fractional-N-PLL frequency synthesizer and phase error canceling method therefor
A fractional-N-PLL frequency synthesizer that reduces the spurious caused by a phase error is provided. A reference phase error is determined from a plurality of...
US-6,515,524 Power-up control circuit
A power-up control circuit architecture that utilizes zero current under normal operation. The power-up control circuit will sense a common supply voltage, Vcc,...
US-6,515,523 Method and apparatus for generating a power-on reset with an adjustable falling edge for power management
A method and apparatus is directed to a power-on reset circuit for providing a power-on reset signal having a rising edge and an adjustable falling edge. A...
US-6,515,522 Drive circuit of capacitive load and integrated circuit for driving capacitive load
A drive circuit capable of adjusting a capacitive load operation, for example, respective brightness of an electroluminescence (EL) element. The drive circuit is...
US-6,515,521 Semiconductor integrated circuit for low power and high speed operation
A semiconductor integrated circuit includes: a first p-channel FET having a gate controlled by a first input and having a source-drain path connected between a...
US-6,515,520 Charge pump circuit for phase-locked loop circuitry
A phase-locked loop (PLL) includes a voltage controlled oscillator (VCO) and a pair of charge pump circuits (CP) and provides a stable oscillation clock signal....
US-6,515,519 Semiconductor integrated circuit device
A signal from a crystal resonator or an external clock signal are input from terminals xta1 or exta1, and the signal from the crystal resonator or external clock...
US-6,515,518 Analog switch circuit
An analog switch circuit is disclosed. A plurality of cell switches (10) and load resistors (33, 34) are employed. One of cell switches (10A) is active and...
US-6,515,517 Discriminator circuit
An apparatus comprising a first one or more threshold devices, a second one or more threshold devices and a logic device. The first one or more threshold devices...
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