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71.发明授权公开(公告)号：US10680564B2
公开(公告)日：2020-06-09
申请号：US16042782
申请日：2018-07-23
Applicant: Analog Devices Global Unlimited Company
Abstract: Aspects of this disclosure relate to an adaptive biasing circuit for a power amplifier. The adaptive biasing circuit can include a shunt resistor arrangement and/or a floating gate linearizer arrangement.
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公开(公告)号：US10677822B2
公开(公告)日：2020-06-09
申请号：US15708958
申请日：2017-09-19
Applicant: Analog Devices Global Unlimited Company
Inventor： David J. Clarke , Stephen Denis Heffernan , Alan J. O'Donnell , Patrick M. McGuinness
IPC: G01R31/00 , G01R19/165 , H01L23/60 , H01L27/02 , G01R31/28 , G01N25/04 , H01L23/525 , H01L23/62 , H01L25/065
Abstract: The disclosed technology generally relates to electrical overstress protection devices, and more particularly to electrical overstress monitoring devices for detecting electrical overstress events in semiconductor devices. In one aspect, a device configured to monitor electrical overstress (EOS) events includes a pair of spaced conductive structures configured to electrically arc in response to an EOS event, wherein the spaced conductive structures are formed of a material and have a shape such that arcing causes a detectable change in shape of the spaced conductive structures, and wherein the device is configured such that the change in shape of the spaced conductive structures is detectable to serve as an EOS monitor.
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公开(公告)号：US20200162095A1
公开(公告)日：2020-05-21
申请号：US16692371
申请日：2019-11-22
Applicant: Analog Devices Global Unlimited Company
Inventor： Rares BODNAR , Asif AHMAD , Christopher Peter HURRELL
Abstract: A stage, suitable for use in an analog to digital converter or a digital to analog converter where the stage comprises a plurality of slices that can be operated together to form a composite output, can have reduced thermal noise, whilst each slice on its own has sufficiently small capacitance to respond quickly to changes in digital codes applied to the slice. This allows a fast conversion to be achieved without loss of noise performance.
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公开(公告)号：US20200137350A1
公开(公告)日：2020-04-30
申请号：US16566135
申请日：2019-09-10
Applicant: Analog Devices Global Unlimited Company
Inventor： Isaac MOLINA HERNANDEZ , Niall D. O'Connell , Sean M. MULLINS
IPC: H04N7/08 , H04N7/14 , H04N11/08 , H04N9/81 , H04N21/4363
Abstract: Disclosed herein are systems and methods for performing DC offset correction of a video signal received over an AC-coupled video link. In one aspect, a transmitter is configured to compute, and provide to a receiver, metadata indicative of a statistical characteristic (e.g., an average or a sum of values) for a group of active pixels of a video signal acquired by a camera. The receiver is configured to compute an analogous statistical characteristic on the video signal received over an AC-coupled video link, and to perform DC offset correction by modifying one or more values of the received video signal based on a comparison of the statistical characteristic computed by the receiver and the one computed by the transmitter and indicated by the received metadata.
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公开(公告)号：US10541604B2
公开(公告)日：2020-01-21
申请号：US15986346
申请日：2018-05-22
Applicant: Analog Devices Global Unlimited Company
Inventor： Christopher Peter Hurrell , Derek J. Hummerston
Abstract: Techniques for supplying a bias current to a load are provided. In certain examples, a circuit can include a level-shift capacitance, a current source, and a load configured to receive a bias current in a first state of the circuit. The current source and the level-shift capacitance can be coupled in series between the load and a supply voltage in the first state. In some examples, during a second state of the circuit, the level-shift capacitance can receive charge, and can be isolated from one of the load or the current source.
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Patent Agency Ranking
公开(公告)号：US10536308B2
公开(公告)日：2020-01-14
申请号：US15784747
申请日：2017-10-16
Applicant: Analog Devices Global Unlimited Company
Inventor： Sudarshan Onkar , Michael O'Brien
Abstract: In a communication receiver circuit, an amplifier circuit can include an adjustable gain. A signal corresponding to a portion of a transmitted frame can be received, and a gain of the receiver circuit can be adjusted such as automatically, and such adjustment can be referred to as automatic gain control (AGC). An offset correction can be performed to adjust for an error in a received representation of a transmitted carrier, and such offset correction can be referred to as carrier frequency offset (CFO) correction. A portion of the received signal can be dynamically allocated between AGC and CFO correction, such as allocating a longer duration to CFO correction when AGC results in a relatively higher receiver gain, and allocating a shorter duration to CFO correction when AGC results in a relatively lower receiver gain.
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公开(公告)号：US20200003875A1
公开(公告)日：2020-01-02
申请号：US16430391
申请日：2019-06-03
Applicant: Analog Devices Global Unlimited Company
Inventor： Yalcin Alper EKEN , Mehmet Arda Akkaya , Alp OGUZ
Abstract: Mechanisms for evaluating amplitude for current pulses provided to a transimpedance amplifier (TIA) for current levels beyond the linear range of the TIA where clipping circuit(s) may limit the input voltage of the TIA are disclosed. In one aspect, an example TIA arrangement includes a clipping arrangement that includes multiple clipping circuits. Each clipping circuit can be biased by different bias voltages such that the different clipping circuits are activated at different input current amplitudes. Different clipping circuits can have different impedances, which can result in different recovery time characteristics. With the multiple clipping circuits in clipping arrangements discussed herein, a saturated dynamic range of a TIA can be divided into sub-regions and different pulse widening characteristics for each region may be defined, which may enable determination of amplitude for current pulses provided to the TIA even for current levels beyond the linear range of the TIA.
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公开(公告)号：US20190355383A1
公开(公告)日：2019-11-21
申请号：US16515018
申请日：2019-07-17
Applicant: Analog Devices Global Unlimited Company
Inventor： Mikael MORTENSEN , Kim Spetzler BERTHELSEN , Robert Adams , Andrew MILIA
Abstract: Many processes for audio signal processing can benefit from voice activity detection, which aims to detect the presence of speech as opposed to silence or noise. The present disclosure describes, among other things, leveraging energy-based features of voice and insights on first and second formant frequencies of vowels to provide a low-complexity and low-power voice activity detector. A pair of two channels is provided whereby each channel is configured to detect voice activity in respective frequency bands of interest. Simultaneous activity detected in both channels can be a sufficient condition for determining that voice is present. More channels or pairs of channels can be used to detect different types of voices to improve detection and/or to detect voices present in different audio streams.
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公开(公告)号：US10482045B2
公开(公告)日：2019-11-19
申请号：US15187763
申请日：2016-06-20
Applicant: ANALOG DEVICES GLOBAL UNLIMITED COMPANY
IPC: G06F13/32 , G06F13/42 , G06F9/30 , G06F1/32 , G06F1/3234 , G06F1/3215 , G06F1/3287 , H04Q9/00
Abstract: Improvements over existing data collection interfaces disclosed herein include, among other things, additional logic blocks (and associated timers, state machines, and registers) to off-load data collection and data processing prior to waking a microprocessor from a sleep mode. For example, an improved data collection interface collects a predetermined number of sensor values from a sensor while maintaining active a single communication session with the sensor over a pin of the interface. The microprocessor remains in the sleep mode for an entire duration of the single communication session. The data collection interface can reduce the likelihood of false starts of the microprocessor by using the logic blocks to verify that data meet preconditions prior to interrupting the microprocessor. The data collection interface can reduce the overall power consumption of a chip in which the microprocessor is integrated by a factor of at least about 2× (i.e., 50% reduction in power consumption).
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公开(公告)号：US10462413B1
公开(公告)日：2019-10-29
申请号：US16172362
申请日：2018-10-26
Applicant: Analog Devices Global Unlimited Company
Inventor： Isaac Molina Hernandez , Niall D. O'Connell , Sean M. Mullins
IPC: H04N7/08 , H04N7/14 , H04N11/08 , H04N9/81 , H04N21/4363
Abstract: Disclosed herein are systems and methods for performing DC offset correction of a video signal received over an AC-coupled video link. In one aspect, a transmitter is configured to compute, and provide to a receiver, metadata indicative of a statistical characteristic (e.g., an average or a sum of values) for a group of active pixels of a video signal acquired by a camera. The receiver is configured to compute an analogous statistical characteristic on the video signal received over an AC-coupled video link, and to perform DC offset correction by modifying one or more values of the received video signal based on a comparison of the statistical characteristic computed by the receiver and the one computed by the transmitter and indicated by the received metadata.
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