Patents by Inventor Gerald Champagne
Gerald Champagne has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9712261Abstract: A circuit includes a controller configured to determine a calibration state of a circuit, to determine an active mode state of the circuit, and to select a type of calibration operation based on the calibration state. The controller is configured to control timing of the selected type of calibration operation in response to determining the calibration state to correspond to a time when the circuit is not active.Type: GrantFiled: August 15, 2013Date of Patent: July 18, 2017Assignee: Silicon Laboratories Inc.Inventors: Gerald Champagne, David Shen
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Patent number: 9525440Abstract: A method includes estimating a temperature change to an integrated circuit, which is associated with a pending transmission from the integrated circuit. The method includes, based on the estimated temperature change, regulating at least one parameter that is associated with the pending transmission to maintain a temperature of the integrated circuit below a temperature threshold.Type: GrantFiled: December 26, 2013Date of Patent: December 20, 2016Assignee: Silicon Laboratories Inc.Inventors: Gerald Champagne, David Mervine
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Publication number: 20150189788Abstract: A method includes estimating a temperature change to an integrated circuit, which is associated with a pending transmission from the integrated circuit.Type: ApplicationFiled: December 26, 2013Publication date: July 2, 2015Applicant: Silicon Laboratories Inc.Inventors: Gerald Champagne, David Mervine
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Patent number: 8970287Abstract: A circuit includes a temperature sensor configured to determine a circuit temperature and includes an analog circuit including one or more controllable circuit elements. The analog circuit includes at least one adjustable parameter. The circuit further includes a controller coupled to the temperature sensor and configured to select a threshold temperature. The controller is configured to control the analog circuit in response to the circuit temperature to selectively adjust at least one adjustable parameter of the analog circuit when the temperature exceeds the selected threshold temperature.Type: GrantFiled: August 15, 2013Date of Patent: March 3, 2015Assignee: Silicon Laboratories Inc.Inventors: David Shen, Gerald Champagne
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Publication number: 20150048877Abstract: A circuit includes a temperature sensor configured to determine a circuit temperature and includes an analog circuit including one or more controllable circuit elements. The analog circuit includes at least one adjustable parameter. The circuit further includes a controller coupled to the temperature sensor and configured to select a threshold temperature. The controller is configured to control the analog circuit in response to the circuit temperature to selectively adjust at least one adjustable parameter of the analog circuit when the temperature exceeds the selected threshold temperature.Type: ApplicationFiled: August 15, 2013Publication date: February 19, 2015Applicant: Silicon Laboratiories Inc.Inventors: David Shen, Gerald Champagne
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Publication number: 20150048878Abstract: A circuit includes a controller configured to determine a calibration state of a circuit, to determine an active mode state of the circuit, and to select a type of calibration operation based on the calibration state. The controller is configured to control timing of the selected type of calibration operation in response to determining the calibration state to correspond to a time when the circuit is not active.Type: ApplicationFiled: August 15, 2013Publication date: February 19, 2015Applicant: Silicon Laboratories Inc.Inventors: Gerald Champagne, David Shen
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Patent number: 8666349Abstract: A radio frequency (RF) receiver comprises an analog receiver, a digital signal processor, a clock synthesizer, and a microcontroller. The analog receiver has an input for receiving an RF input signal, and an output for providing a digital intermediate frequency (IF) signal. The digital signal processor has a first input for receiving the digital IF signal, a second input for receiving a clock signal, and a signal output for providing an IF output signal. The clock synthesizer has an input for receiving a clock control signal, and an output for providing the clock signal. The a microcontroller has an input for receiving a channel selection signal, wherein the microcontroller provides the clock control signal to control a frequency of the clock signal dynamically in response to a channel selection input to place a sub-harmonic at a tolerable frequency of a selected channel.Type: GrantFiled: May 7, 2013Date of Patent: March 4, 2014Assignee: Silicon Laboratories Inc.Inventors: Terry Dickey, Gerald Champagne, Brian Mirkin
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Publication number: 20130244601Abstract: A radio frequency (RF) receiver comprises an analog receiver, a digital signal processor, a clock synthesizer, and a microcontroller. The analog receiver has an input for receiving an RF input signal, and an output for providing a digital intermediate frequency (IF) signal. The digital signal processor has a first input for receiving the digital IF signal, a second input for receiving a clock signal, and a signal output for providing an IF output signal. The clock synthesizer has an input for receiving a clock control signal, and an output for providing the clock signal. The a microcontroller has an input for receiving a channel selection signal, wherein the microcontroller provides the clock control signal to control a frequency of the clock signal dynamically in response to a channel selection input to place a sub-harmonic at a tolerable frequency of a selected channel.Type: ApplicationFiled: May 7, 2013Publication date: September 19, 2013Inventors: Terry Dickey, Gerald Champagne, Brian Mirkin
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Patent number: 8463223Abstract: A radio frequency (RF) receiver comprises an analog receiver, a digital processor, a clock synthesizer, and a microcontroller. The analog receiver has an input for receiving an RF input signal, and an output for providing a digital intermediate frequency (IF) signal. The digital signal processor has a first input for receiving the digital IF signal, a second input for receiving a clock signal, and a signal output for providing an IF output signal. The clock synthesizer has an input for receiving a clock control signal, and an output for providing the clock signal. The a microcontroller has an input for receiving a channel selection signal, wherein the microcontroller provides the clock control signal to control a frequency of the clock signal dynamically in response to a channel selection input to reduce interference of sub-harmonics created by the clock signal on the analog receiver.Type: GrantFiled: June 15, 2012Date of Patent: June 11, 2013Assignee: Silicon Laboratories IncInventors: Terry Dickey, Gerald Champagne, Brian Mirkin
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Publication number: 20120250809Abstract: A radio frequency (RF) receiver comprises an analog receiver, a digital processor, a clock synthesizer, and a microcontroller. The analog receiver has an input for receiving an RF input signal, and an output for providing a digital intermediate frequency (IF) signal. The digital signal processor has a first input for receiving the digital IF signal, a second input for receiving a clock signal, and a signal output for providing an IF output signal. The clock synthesizer has an input for receiving a clock control signal, and an output for providing the clock signal. The a microcontroller has an input for receiving a channel selection signal, wherein the microcontroller provides the clock control signal to control a frequency of the clock signal dynamically in response to a channel selection input to reduce interference of sub-harmonics created by the clock signal on the analog receiver.Type: ApplicationFiled: June 15, 2012Publication date: October 4, 2012Applicant: SILICON LABORATORIES INC.Inventors: Terry Dickey, Gerald Champagne, Brian Mirkin
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Patent number: 8224279Abstract: A radio frequency (RF) receiver comprises an analog receiver, a digital processor, and a clock synthesizer. The analog receiver has an input for receiving an RF input signal, and an output for providing a digital intermediate frequency (IF) signal. The digital processor has a first input for receiving the digital IF signal, a second input for receiving a clock signal, a signal output for providing an IF output signal, and a control output for providing a clock control signal. The clock synthesizer has an input for receiving the clock control signal, and an output for providing the clock signal. The digital processor controls a frequency of the clock signal dynamically in response to a channel selection input to reduce interference of sub-harmonics created by the digital processor on the analog receiver.Type: GrantFiled: December 18, 2009Date of Patent: July 17, 2012Assignee: Silicon Laboratories, Inc.Inventors: Terry Dickey, Gerald Champagne, Brian Mirkin
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Patent number: 8126091Abstract: A method is provided that contemplates including filtered decode values in an RDS/RBDS output signal. The filtered decode values are generated from reliable values. The reliable values are generated from corresponding received values from each of at least two groups of RDS/RBDS data in an RDS/RBDS input signal. The method also comprises preventing an error correction code (ECC) unit from modifying the filtered decode values in the RDS/RBDS output signal.Type: GrantFiled: September 30, 2008Date of Patent: February 28, 2012Assignee: Silicon Laboratories Inc.Inventors: Dana Taipale, Gerald Champagne
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Patent number: 8060066Abstract: A receiver including first circuitry configured to combine corresponding soft decision values from at least two groups of RDS/RBDS data transmitted as part of a broadcast channel to generate a set of combined values and second circuitry configured to identify a subset of the combined values that indicate a relatively constant subset of the received values from the at least two groups of the RDS/RBDS data is provided.Type: GrantFiled: September 6, 2007Date of Patent: November 15, 2011Assignee: Silicon Laboratories Inc.Inventors: Christopher Gregg, Gerald Champagne
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Publication number: 20110158298Abstract: A tuner circuit includes a digital signal processor to generate a digital data stream related to a radio frequency signal and a transceiver circuit coupled to the digital signal processor and configurable to generate an inter-chip communication frame having a start portion and a plurality of channels. The plurality of channels includes a first data channel to carry a portion of the digital data stream and a control channel to carry control data. The transceiver circuit is configurable to send the inter-chip communication frame to an additional tuner circuit through an inter-chip communication link.Type: ApplicationFiled: December 30, 2009Publication date: June 30, 2011Applicant: SILICON LABORATORIES, INC.Inventors: Younes Djadi, Russell Croman, Scott Thomas Haban, Javier Elenes, Gerald Champagne, Michael Robert May
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Publication number: 20110151819Abstract: A radio frequency (RF) receiver comprises an analog receiver, a digital processor, and a clock synthesizer. The analog receiver has an input for receiving an RF input signal, and an output for providing a digital intermediate frequency (IF) signal. The digital processor has a first input for receiving the digital IF signal, a second input for receiving a clock signal, a signal output for providing an IF output signal, and a control output for providing a clock control signal. The clock synthesizer has an input for receiving the clock control signal, and an output for providing the clock signal. The digital processor controls a frequency of the clock signal dynamically in response to a channel selection input to reduce interference of sub-harmonics created by the digital processor on the analog receiver.Type: ApplicationFiled: December 18, 2009Publication date: June 23, 2011Applicant: SILICON LABORATORIES, INC.Inventors: Terry Dickey, Gerald Champagne, Brian Mirkin
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Patent number: 7864893Abstract: A receiver including first circuitry configured to combine corresponding soft decision values from at least two groups of RDS/RBDS data transmitted as part of a broadcast channel to generate a set of combined values and second circuitry configured to identify a subset of the combined values that indicate a relatively constant subset of the received values from the at least two groups of the RDS/RBDS data is provided.Type: GrantFiled: July 25, 2007Date of Patent: January 4, 2011Assignee: Silicon Laboratories, Inc.Inventors: Dana Taipale, Gerald Champagne
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Publication number: 20100080326Abstract: A method is provided that contemplates including filtered decode values in an RDS/RBDS output signal. The filtered decode values are generated from reliable values. The reliable values are generated from corresponding received values from each of at least two groups of RDS/RBDS data in an RDS/RBDS input signal. The method also comprises preventing an error correction code (ECC) unit from modifying the filtered decode values in the RDS/RBDS output signal.Type: ApplicationFiled: September 30, 2008Publication date: April 1, 2010Applicant: Silicon Laboratories Inc.Inventors: Dana Taipale, Gerald Champagne
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Publication number: 20090068964Abstract: A receiver including first circuitry configured to combine corresponding soft decision values from at least two groups of RDS/RBDS data transmitted as part of a broadcast channel to generate a set of combined values and second circuitry configured to identify a subset of the combined values that indicate a relatively constant subset of the received values from the at least two groups of the RDS/RBDS data is provided.Type: ApplicationFiled: September 6, 2007Publication date: March 12, 2009Inventors: Christopher Gregg, Gerald Champagne
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Publication number: 20090028250Abstract: A receiver including first circuitry configured to combine corresponding soft decision values from at least two groups of RDS/RBDS data transmitted as part of a broadcast channel to generate a set of combined values and second circuitry configured to identify a subset of the combined values that indicate a relatively constant subset of the received values from the at least two groups of the RDS/RBDS data is provided.Type: ApplicationFiled: July 25, 2007Publication date: January 29, 2009Inventors: Dana Taipale, Gerald Champagne
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Publication number: 20070213021Abstract: A frequency modulation (FM) radio receiver includes a processing unit that may generate a magnitude value corresponding to a signal strength of each of a plurality of digital samples of a received FM signal. The receiver also includes a noise estimation unit that may filter the magnitude values using a high pass filter and may generate a noise value representative of a noise portion of the received FM signal based upon the filtered magnitude values.Type: ApplicationFiled: March 13, 2006Publication date: September 13, 2007Inventors: Dana Taipale, G. Tuttle, Gerald Champagne, Javier Elenes