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7639094 Shared pin resonator oscillators  
An oscillator circuit for a plurality of resonator-based oscillators is provided. In a dual oscillator circuit, a first oscillator circuit operating at a first frequency is coupled to a second...
7612619 Phase detector device and method thereof  
A device and method for phase detection are disclosed. The device includes a phase differential module that provides a phase difference signal based on the phase difference between a data signal...
7598819 Electronic circuit with transistors sharing one and the same well  
The disclosure relates to an electronic circuit including at least one first and one second differential pair each including a plurality of transistors. All the transistors of said first and second...
7551040 Surface mount crystal oscillator  
A surface mount crystal oscillator comprises a package body having a first recess, a cover having a second recess, a crystal blank secured to an inner bottom surface of the second recess, and an IC...
7538627 Surface mount crystal oscillator  
A surface mount crystal oscillator has a package body having a recess and formed with a step on an inner wall of the recess, a flat base plate having a peripheral region secured to the step, a...
7536161 Magnetically differential input  
A magnetically differential input circuit is arranged to define at least two loops, wherein each of the loops traverses the input of a receiving circuit. The loops are physically arranged so that a...
7492230 Method and apparatus for effecting high-frequency amplification or oscillation  
An apparatus includes a distributed resonant tunneling section with a plurality of inductive portions that are coupled in series with each other between first and second nodes, such that a...
7482887 Multi-band tunable resonant circuit  
A fully integrated, programmable mixed-signal radio transceiver comprising a radio frequency integrated circuit (RFIC) which is frequency and protocol agnostic with digital inputs and outputs, the...
7400206 Clock circuit with programmable load capacitors  
In one embodiment, the present invention includes methods and apparatus for providing initial control values to programmable load capacitors of an oscillator, such as that of a real time clock...
7388439 Low pass filter and electronic device  
The electronic device ( 100 ) of the invention comprises a semiconductor device ( 30 ) and a low-pass filter ( 20 ), which are present in a stacked configuration, and which together include a phase...
7342464 Oscillator and a PLL circuit using the oscillator  
The functionality and performance of a voltage-controlled oscillator are improved by enabling continuously adjusting an inductor by a control signal. The oscillator has a variable inductor unit...
7336136 High frequency semiconductor integrated circuit device, wireless electric unit and wireless communication system  
A transmission oscillator of differential output configuration is incorporated into a high frequency IC. Further, an equivalent impedance having an impedance equivalent to the impedance connected...
7323947 Oscillator circuit  
An oscillator circuit includes first and second transistors forming a differential pair, an output combiner connected to first terminal sides of the first and second transistors, and a current...
7307484 Semiconductor integrated circuit device with noise reduction function  
A semiconductor integrated circuit device includes a semiconductor substrate; at least one integrated circuit block formed in the semiconductor substrate; a first electrode pad which receives a...
7295076 Synchronously coupled oscillator  
A phase synchronous multiple LC tank oscillator is described. A plurality of oscillator stages are configured to oscillate synchronously. The phase of each of the plurality of oscillator stages is...
7239211 Temperature-compensated crystal oscillator  
A temperature-compensated quartz crystal oscillator includes a substrate having a circuit pattern disposed on a surface thereof and mounting electrodes disposed on a reverse side thereof and...
7230497 System for controlling frequency of oscillator  
System for controlling the frequency of an oscillator. A first circuit is coupled to the oscillator and arranged for receiving an externally provided clock signal at a first input node. A second...
7209011 Method and apparatus for synthesizing high-frequency signals for wireless communications  
A semiconductor package includes a package substrate and an integrated circuit. The package substrate has a first surface. The integrated circuit couples electrically to the first surface of the...
7193483 Blocking a leakage current  
An apparatus includes an oscillator circuit that includes terminals to couple a second circuit having an impedance to the oscillator circuit. The apparatus includes a third circuit that is coupled...
7187246 Oscillator circuit  
In the case of a voltage-controlled LC oscillator ( 4 ), the effects of supply voltage fluctuations are reduced according to the invention, due to the fact that a stabilized voltage source ( 3 ) is...
7173498 Reducing the coupling between LC-oscillator-based phase-locked loops in flip-chip ASICs  
Disclosed are integrated circuits having multiple electromagnetically emissive devices, such as LC oscillators. The devices are formed on an integrated circuit substrate and are given different...
7157981 Surface-mounted oscillator  
A surface-mounted oscillator configured by integrally accommodating an oscillation element, an IC chip, and a circuit element in a surface-mounted package is characterized in that the oscillation...
7145407 Radio frequency voltage controlled oscillator  
A radio frequency voltage controlled oscillator (RF VCO) includes a differential oscillator including two field effect transistors (FETs) in which an electric current flows laterally to a substrate...
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...
7135938 Surface-mount crystal oscillator  
A surface-mount quartz crystal oscillator has a casing substantially in the shape of a substantially rectangular parallelepiped, the casing having a recess defined therein, a pair of upper steps...
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...
7081799 Bipolar transistor, oscillation circuit, and voltage controlled oscillator  
There is provided a bipolar transistor that enables a desirably enhanced high-frequency performance to be obtained when used as an oscillation amplifier of an oscillation circuit, and that is...
7071535 Integrated circuit package having inductance loop formed from a bridge interconnect  
An integrated circuit package includes an inductance loop formed from a connection of lead wires and one or more input/output (I/O) package pins. In one embodiment, the inductance loop is formed...
7049898 Strained-silicon voltage controlled oscillator (VCO)  
A strained-silicon voltage controlled oscillator (VCO) includes a first p-channel metal oxide semiconductor (PMOS) device having a strained-silicon layer coupled to a second PMOS device having a...
7023289 Programmable oscillator  
A programmable oscillator comprises a capacitor; a current generator couplable to said capacitor that generates a charging current of said capacitor; further comprising at least one resistance...
7023290 Temperature-compensated crystal oscillator  
A temperature-compensated crystal oscillator is provided with an IC (integrated circuit) having a power supply terminal, an output terminal, and an automatic frequency control (AFC) voltage input...
7005932 Electronic device having adjustable VCO  
A circuit board having a VCO that can be adjusted during manufacturing is disclosed. The VCO has a resonating circuit, a coupling circuit, and an oscillating circuit. The coupling circuit and the...
6980061 Voltage-controlled oscillator  
The problem of interference and coupling between circuits that arises in reducing the size of a voltage-controlled oscillator by using low temperature co-fired ceramics (LTCC) substrate technology...
6946919 Controllable crystal oscillator component  
A frequency-adjustable oscillator suitable for digital signal clock synchronization comprises a crystal oscillator circuit for generating a driving signal and having a voltage-variable control...
6943597 Hard phase alignment of clock signals with an oscillator controller  
A oscillator controller ( 1300, 1500 ) is described. Differential logic receives a clock signal and an inverted version thereof ( 210, 210 B) and an oscillator signal and an inverted version...
6940357 Bipolar transistor, for voltage controlled oscillator using a capacitance adjustment line  
There is provided a bipolar transistor that enables a desirably enhanced high-frequency performance to be obtained when used as an oscillation amplifier of an oscillation circuit, and that is...
6888416 Oscillator/mixer circuit having reduced area requirement when produced on a chip  
An oscillator/mixer circuit having a reduced area requirement when producing it on a chip and where the circuit's mixer circuit is not based on the use of the nonlinear characteristic curve of an...
6888414 Controllable and testable oscillator apparatus for an integrated circuit  
An integrated circuit (IC) includes an internal clock generator apparatus that provides various modes of operation of the integrated circuit. The internal clock generator apparatus includes a clock...
6873217 IC for oscillator having electrostatic breakdown preventive diodes  
There are provided an internal oscillation transistor; a terminal that is connected to the base of the oscillation transistor and to which an external resonance circuit is to be connected; and two...
6870430 PLL-controlled oscillator  
A PLL (Phase-Locked Loop)-controlled oscillator has a temperature-compensated crystal oscillator having a quartz crystal unit, an oscillating circuit connected to the crystal unit, and a...
6842080 LC oscillator formed on a substrate  
An inductor element 30 effectively functions even when formed on a substrate and comprises two upper and lower conductors 1, 2 spirally formed on the front side of a semiconductor substrate 3...
6842078 Ring oscillator with variable loading  
A ring oscillator circuit device is achieved. The device comprises an odd number of inverting stages. Each inverting stage has an input terminal and an output terminal. The inverter stages are...
6806785 Oscillator circuit using bonding wires for inductors and having a resonance transformation circuit  
An oscillator circuit includes an oscillator core having two capacitances, two inductors designed as bonding wires, and a de-attenuation amplifier coupled to the oscillator core. The inductors of...
6774733 Frequency variable oscillation circuit  
A-MOS devices capable of continuously modulating a gain coefficient β in accordance with a voltage applied to a control gate provided in addition to a normal gate, are connected in an odd number...
6737929 Hybrid n&plus and p&plus gate-doped voltage variable capacitors to improve linear tuning range in voltage controlled oscillators  
A method for operating a wide band voltage controlled oscillator comprises using a control voltage to tune the capacitance of at least one hybrid n+ and p+ gate-doped voltage variable capacitor of...
6727766 Oscillator with dielectric resonator and electronic apparatus using the same  
A dielectric substrate, a transistor, which is an active device, a varactor diode, which is a frequency-variable device, are mounted on one main surface of a package substrate to configure an...
6727767 Voltage controlled oscillator with two layered mounting structure  
A voltage controlled oscillator is provided. The oscillator includes a surface acoustic wave element for forming a feedback circuit for an amplifier, and a phase adjustment circuit including a...
6703674 Electrical device  
A clock signal generator in an integrated circuit semiconductor device and a method of generating a clock signal, the clock signal generator comprising: a semiconductor substrate ( 2 ); an...
6690244 Low phase-noise integrated voltage controlled oscillator  
A variable frequency oscillator circuit comprising a resonator circuit part and an amplifier circuit part. The resonator circuit part has a first end and a second end, and it comprises a parallel...
6683508 System and method of increasing a self-resonant frequency of a tuning circuit and an oscillator employing the same  
A segmented inductor for use with a tuning circuit, a method of increasing a self-resonant frequency of a tuning circuit and an oscillator employing the circuit and method. In one embodiment, the...
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