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Class 331/108C - Integrated circuit oscillators


Subclass of Class 331 - Oscillators
No. of patents: 213
Last issue date: 05/31/2011


1            
NumberTitleIssue Date
7952442Integrated circuit package having inductance loop formed from same-pin-to-same-bonding-pad structure
An integrated circuit package includes an inductance loop formed from a connection of bonding wires and one or more input/output (I/O) package pins. In one embodiment, the inductance loop is formed from a first wire which connects a bonding pad on the integrated cir...
05/31/2011
7952444CMOS 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, the oscillator circuit including a transformer coupled to a transistor...
05/31/2011
7928809Semiconductor integrated circuit device
A semiconductor integrated circuit device includes a plurality of first gates each of which has a first protrusion section protruding from a first active region; a plurality of second gates each of which has a second protrusion section protruding from a second activ...
04/19/2011
7760036Crystal oscillator emulator
An integrated circuit comprises a film bulk acoustic resonator (FBAR) circuit that generates a reference frequency. A temperature sensor senses a temperature of the integrated circuit. Memory stores calibration parameters and selects at least one of the calibration ...
07/20/2010
7741922Switch, negative resistance cell, and differential voltage controlled oscillator using the same
The present invention relates to a switch, a negative resistance cell, and a differential voltage controlled oscillator using the same. The present invention includes a first signal line provided in a first direction, a second signal line provided in parallel with t...
06/22/2010
7679463Multi-terminal harmonic oscillator integrated circuit with frequency calibration and frequency configuration
Exemplary embodiments of the invention provide a reference harmonic oscillator integrated circuit having three or more terminals, with systems and methods for calibrating the harmonic oscillator to a selected first frequency using a limited number of terminals. An e...
03/16/2010
7639094Shared 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 oscillator circuit operating at a lower frequency. The two circuits are s...
12/29/2009
7598819Electronic 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 differential pair are included in a single well. ...
10/06/2009
7482887Multi-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 radio transceiver being programmable and configurable for multiple ra...
01/27/2009
7400206Clock 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 circuit. Using the initial values, the real time clock circuit may begin ...
07/15/2008
7388439Low 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 locked loop. The low-pass filter is preferably embodi...
06/17/2008
7365565Programmable system on a chip for power-supply voltage and current monitoring and control
A programmable system-on-a-chip integrated circuit device includes a programmable logic block, at least one user non-volatile memory block, and voltage-measuring and control analog and digital circuits on a single semiconductor integrated circuit chip or a flip chip...
04/29/2008
7352206Integrated circuit device having state-saving and initialization feature
An integrated circuit device has a state-saving feature and includes a programmable logic block, I/O pads, a dedicated register, at least one volatile memory block, a non-volatile memory block, a condition-sensing circuit for detecting at least one condition, A cont...
04/01/2008
7342464Oscillator 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 with variable inductance; a variable capacitance device connected to the...
03/11/2008
7336136High 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 with a regular output terminal is provided. Or, a dummy external termi...
02/26/2008
7328497Incremental tuning process for electrical resonators based on mechanical motion
A method is provided for adjusting the resonant frequency of a mechanical resonator whose frequency is dependent on the overall resonator thickness. Alternating selective etching is used to remove distinct adjustment layers from a top electrode. One of the electrode...
02/12/2008
7323947Oscillator 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 source connected to second terminal sides of the first and second transis...
01/29/2008
7313034Low supply voltage temperature compensated reference voltage generator and method
A reference voltage generator uses a conventional forward junction voltage generating device and a conventional thermal generator to generate a thermal voltage. The forward junction voltage and the thermal voltages have respective thermal sensitivities that act oppo...
12/25/2007
7307484Semiconductor 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 first clock, the first electrode pad being disposed on the semiconductor...
12/11/2007
7295076Synchronously 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 substantially the same and the plurality of oscillators are inductive...
11/13/2007
7256610Programmable system on a chip for temperature monitoring and control
A programmable system-on-a-chip integrated circuit device includes a programmable logic block, at least one user non-volatile memory block, and temperature sensing and control analog and digital circuits on a single semiconductor integrated circuit chip or a flip ch...
08/14/2007
7245190Transformer-based VCO for both phase noise and tuning range improvement in bipolar technology
A silicon bipolar VCO implementing a double-coupled transformer is disclosed. The VCO circuit, which is suitable in the field of integrated RF circuits, has been integrated into a universal LNB having a down-converter block and PLL merged into a single die and imple...
07/17/2007
7239211Temperature-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 electrically connected to the circuit pattern, circuit components mounted o...
07/03/2007
7230497System 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 circuit coupled to the oscillator is arranged for receiving an external...
06/12/2007
7209011Method 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 package substrate. The integrated circuit and the package substrate tog...
04/24/2007
7193483Blocking 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 to at least one of the terminals to isolate a leakage current from at...
03/20/2007
7193484Voltage controlled oscillator apparatus
A voltage controlled oscillator apparatus includes at least two voltage controlled oscillators, each of the voltage controlled oscillators being formed on a semiconductor substrate and having an LC-resonant circuit including a three-terminal inductor or a two-termin...
03/20/2007
7187246Oscillator 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 assigned to the LC oscillator (4), which supplies t...
03/06/2007
7187241Calibration of oscillator devices
A clock device having a resonating device such as a crystal of SAW supplying a controllable oscillator such as a digitally controlled oscillator is calibrated by supplying a calibration clock. A phase-locked loop is utilized to generate one or more correction factor...
03/06/2007
7173498Reducing 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 planar orientations from each other. Particular integrated circuit packa...
02/06/2007
7170315Programmable system on a chip
A programmable system-on-a-chip integrated circuit device comprises a programmable logic block, a non-volatile memory block, an analog sub-system, an analog input/output circuit block, and a digital input/output circuit block. A programmable interconnect architectur...
01/30/2007
7164311Method and apparatus for tuning GMC filter
A system and method for providing a tunable GMC filter is disclosed wherein a transconducted element having an attenuator in a feedback loop therewith is allowed to oscillate at a first oscillation frequency. An input to the filter enables tuning of the oscillation ...
01/16/2007
7157981Surface-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 element, the IC chip, and the circuit element are arranged in position...
01/02/2007
7152289Method for forming bulk resonators silicon <110> substrate
A method for forming a device on a substrate of silicon includes forming a first conductive layer onto the substrate, and forming a piezoelectric layer on the first portion of a first conductive layer. A second electrode is formed on the piezoelectric layer, a...
12/26/2006
7154349Coupled-inductor multi-band VCO
A multi-band VCO employs a coupled-inductor based resonator having N≧2 ports. Each port has an inductor and at least one capacitor. The N inductors for the N ports are magnetically coupled. The inductors/ports may be selectively enabled and disabled to allow the V...
12/26/2006
7145407Radio 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 and a current source including a bipolar transistor in which the ele...
12/05/2006
7142068Voltage 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 mounted on the surface of the circuit board, a resonance strip line provid...
11/28/2006
7138824Integrated multi-function analog circuit including voltage, current, and temperature monitor and gate-driver circuit blocks
An integrated multi-function analog circuit includes at least one MOSFET gate-drive circuit coupled to a first I/O pad. At least one voltage-sensing circuit is coupled to a second I/O pad. At least one current-sensing circuit is coupled to the second I/O pad and a t...
11/21/2006
7135938Surface-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 disposed in the recess, a lower step disposed in the recess and having ...
11/14/2006
7132900High 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
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