Patents by Inventor Utku Seckin
Utku Seckin 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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Publication number: 20250080126Abstract: The present disclosure relates to compensating for temperature variation of a mixer. Embodiments herein may include performing a single-point Fast Fourier Transform (FFT) (or complex downconversion with DC average) for a number of samples to obtain a transform for each of the number of samples, phase aligning a set of phases associated with each transform, and averaging each transform to generate an analog-to-digital converter (ADC) power value. Further, the disclosed embodiments may include generating a compensation value based on the analog-to-digital converter power value and applying the compensation value to the calibration circuit of the mixer to compensate for a second-order intermodulation product.Type: ApplicationFiled: September 1, 2023Publication date: March 6, 2025Inventors: Long Kong, Shinan Lu, Utku Seckin
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Publication number: 20250080144Abstract: The present disclosure relates to compensating for temperature variation of a mixer. Embodiments herein may include the mixer, a calibration circuit coupled to the mixer, a replica mixer circuit coupled to the calibration circuit, and a temperature compensation circuit coupled to the calibration circuit. The replica mixer circuit may generate or be used to generate a reference voltage that varies with a common mode voltage and/or a threshold voltage of a replica mixer. The reference voltage may be applied to a resistor ladder of the calibration circuit to adjust a bias voltage and compensate for temperature variations. Further, the temperature compensation circuit may generate a temperature coefficient that may be applied to a current going through the calibration circuit to facilitate compensating for temperature variation.Type: ApplicationFiled: September 1, 2023Publication date: March 6, 2025Inventors: Long Kong, Shinan Lu, Utku Seckin
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Patent number: 12212326Abstract: This disclosure is directed to a transmitter including a phase locked loop (PLL), a modulator, and a power amplifier (PA). A controller including programmable and/or hardened logic circuitry may be coupled to the PLL and the modulator. The controller may provide encoded signals based on quadrature phase shift keying (QPSK) scheme for transmission by the transmitter. In particular, the controller may provide multiple bursts of pulses indicative of data packets to the modulator. Moreover, the controller may provide instructions indicative of generating clock signals with in-phase and quadrature phases to the PLL. The PLL may generate clock signals corresponding to the in-phase and quadrature phases. As such, the transmitter may generate in-phase and quadrature output signals based on receiving each burst of pulses with either in-phase or quadrature phases.Type: GrantFiled: February 15, 2023Date of Patent: January 28, 2025Assignee: Apple Inc.Inventors: Christian Venerus, Utku Seckin, Vikram Magoon
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Publication number: 20240275391Abstract: This disclosure is directed to a transmitter including a phase locked loop (PLL), a modulator, and a power amplifier (PA). A controller including programmable and/or hardened logic circuitry may be coupled to the PLL and the modulator. The controller may provide encoded signals based on quadrature phase shift keying (QPSK) scheme for transmission by the transmitter. In particular, the controller may provide multiple bursts of pulses indicative of data packets to the modulator. Moreover, the controller may provide instructions indicative of generating clock signals with in-phase and quadrature phases to the PLL. The PLL may generate clock signals corresponding to the in-phase and quadrature phases. As such, the transmitter may generate in-phase and quadrature output signals based on receiving each burst of pulses with either in-phase or quadrature phases.Type: ApplicationFiled: February 15, 2023Publication date: August 15, 2024Inventors: Christian Venerus, Utku Seckin, Vikram Magoon
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Publication number: 20240235607Abstract: A signal transmitter may include a waveform synthesis circuit and a signal transmission circuit. The waveform synthesis circuit may store values of a reference waveform for a selected channel of the signal transmitter, and use the stored values to generate values of reference waveforms for one or more other channels of the signal transmitter. The waveform synthesis circuit may further include a sampling boost circuit to generate one or more additional values for the reference waveforms. The waveform transmission circuit may generate signals for the channels of the signal transmitter based at least in part on the values of the reference waveforms, and transmit the signals via one or more antennas.Type: ApplicationFiled: November 2, 2023Publication date: July 11, 2024Applicant: Apple Inc.Inventors: Long Kong, Chia-Hsiang Chen, Utku Seckin
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Publication number: 20240137067Abstract: A signal transmitter may include a waveform synthesis circuit and a signal transmission circuit. The waveform synthesis circuit may store values of a reference waveform for a selected channel of the signal transmitter, and use the stored values to generate values of reference waveforms for one or more other channels of the signal transmitter. The waveform synthesis circuit may further include a sampling boost circuit to generate one or more additional values for the reference waveforms. The waveform transmission circuit may generate signals for the channels of the signal transmitter based at least in part on the values of the reference waveforms, and transmit the signals via one or more antennas.Type: ApplicationFiled: November 1, 2023Publication date: April 25, 2024Applicant: Apple Inc.Inventors: Long Kong, Chia-Hsiang Chen, Utku Seckin
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Patent number: 11843413Abstract: A signal transmitter may include a waveform synthesis circuit and a signal transmission circuit. The waveform synthesis circuit may store values of a reference waveform for a selected channel of the signal transmitter, and use the stored values to generate values of reference waveforms for one or more other channels of the signal transmitter. The waveform synthesis circuit may further include a sampling boost circuit to generate one or more additional values for the reference waveforms. The waveform transmission circuit may generate signals for the channels of the signal transmitter based at least in part on the values of the reference waveforms, and transmit the signals via one or more antennas.Type: GrantFiled: March 29, 2022Date of Patent: December 12, 2023Assignee: Apple Inc.Inventors: Long Kong, Chia-Hsiang Chen, Utku Seckin
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Publication number: 20230378988Abstract: This disclosure is directed to a radio frequency front end circuit with improved receiver. The radio frequency front end circuit may include one or more antennas coupled directly to a mixer of the receiver. The mixer may include sampling circuitry to provide sampled signals based on receiving received signals from the one or more antennas. For example, the mixer may provide the sampled signals to a low noise amplifier (LNA) or other downstream components for further processing and/or conditioning. In some cases, the sampling circuitry may include a number of sampling circuits each sampling a portion of a received signal. Moreover, in specific cases, each of the sampling circuits may couple to an impedance matching circuit based on an impedance of the one or more antennas. The mixer may also include various filtering circuits.Type: ApplicationFiled: May 20, 2022Publication date: November 23, 2023Inventors: Linxiao Zhang, Utku Seckin, Vikram Magoon
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Patent number: 11664766Abstract: An electronic device may include wireless circuitry with a baseband processor, a transceiver, a front-end module, and an antenna. The transceiver may include mixer circuitry. The mixer circuitry may include switches controlled by oscillator signals. The mixer circuitry may also include oscillator phase noise cancelling capacitors controlled by inverted oscillator signals. Operated in this way, the mixer circuitry exhibits improved noise figure performance.Type: GrantFiled: June 21, 2022Date of Patent: May 30, 2023Assignee: Apple Inc.Inventors: Feng Zhao, Utku Seckin
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Publication number: 20230082519Abstract: An electronic device may include wireless circuitry with processor circuitry, a transceiver circuit, a front-end module, and an antenna. The front-end module may include amplifier circuitry such as low noise amplifier circuitry for amplifying received radio-frequency signals. The amplifier circuitry may include an amplifier having an input and an output, an adjustable load component coupled to the input, and an adjustable feedback component coupled across the input and output. A control circuit may simultaneously adjust the load and feedback components to tune the gain of the amplifier circuitry while maintaining the input resistance at a desired target level. The load and feedback components can be the same or different types of adjustable passive components.Type: ApplicationFiled: May 23, 2022Publication date: March 16, 2023Inventors: Long Kong, Simone Gambini, Utku Seckin
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Publication number: 20230084706Abstract: An electronic device may include wireless circuitry with processor circuitry, a transceiver circuit, a front-end module, and an antenna. The front-end module may include amplifier circuitry such as low noise amplifier circuitry for amplifying received radio-frequency signals. The amplifier circuitry may include an amplifier having an input and an output, an adjustable load component coupled to the input, and an adjustable feedback component coupled across the input and output. A control circuit may simultaneously adjust the load and feedback components to tune the gain of the amplifier circuitry while maintaining the input resistance at a desired target level. The load and feedback components can be the same or different types of adjustable passive components.Type: ApplicationFiled: September 19, 2022Publication date: March 16, 2023Inventors: Long Kong, Simone Gambini, Utku Seckin
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Patent number: 11601101Abstract: A switching power amplifier includes logic circuitry that generates first and second components of a differential signal, based on received amplitude code and a delayed version of the same. The amplitude code includes a sign and a magnitude. When the sign is positive, a first logic path is configured to generate the first component based on the received amplitude code and the second logic path is configured to generate the second component based on the delayed amplitude code. When the sign is negative, the first logic path is configured to generate the first component based on the delayed amplitude code and the second logic path is configured to generate the second component based on the received amplitude code. The switching power amplifier further includes a differential-to-single ended conversion circuit configured to generate a single-ended signal based on the differential signal.Type: GrantFiled: July 2, 2021Date of Patent: March 7, 2023Assignee: Apple Inc.Inventors: Utku Seckin, Hanwen Yang
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Digital filter with programmable impulse response for direct amplitude modulation at radio frequency
Patent number: 11481224Abstract: A digital filter according to the disclosure includes a processing circuit having a memory and a number of parallel processing circuits. The parallel processing circuits perform a convolution operations based on input data and function data that is accessed from the memory. The filter further includes a serializer for serializing data that is received from the processing circuits. A clock generator circuit provides a first clock signal to the processing circuit and a second clock signal to the serializer. The frequency of the second clock signal is greater than that of the first clock signal.Type: GrantFiled: August 30, 2019Date of Patent: October 25, 2022Assignee: Apple Inc.Inventors: Tao Mai, Robert G. Lorenz, Joachim S. Hammerschmidt, Utku Seckin -
Patent number: 11469710Abstract: An electronic device may include wireless circuitry with a baseband processor, a transceiver, a front-end module, and an antenna. The transceiver may include mixer circuitry. The mixer circuitry may include switches controlled by oscillator signals. The mixer circuitry may also include oscillator phase noise cancelling capacitors controlled by inverted oscillator signals. Operated in this way, the mixer circuitry exhibits improved noise figure performance.Type: GrantFiled: June 15, 2021Date of Patent: October 11, 2022Assignee: Apple Inc.Inventors: Feng Zhao, Utku Seckin
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Publication number: 20220321058Abstract: An electronic device may include wireless circuitry with a baseband processor, a transceiver, a front-end module, and an antenna. The transceiver may include mixer circuitry. The mixer circuitry may include switches controlled by oscillator signals. The mixer circuitry may also include oscillator phase noise cancelling capacitors controlled by inverted oscillator signals. Operated in this way, the mixer circuitry exhibits improved noise figure performance.Type: ApplicationFiled: June 21, 2022Publication date: October 6, 2022Inventors: Feng Zhao, Utku Seckin
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Publication number: 20220094304Abstract: An electronic device may include wireless circuitry with a baseband processor, a transceiver, a front-end module, and an antenna. The transceiver may include mixer circuitry. The mixer circuitry may include switches controlled by oscillator signals. The mixer circuitry may also include oscillator phase noise cancelling capacitors controlled by inverted oscillator signals. Operated in this way, the mixer circuitry exhibits improved noise figure performance.Type: ApplicationFiled: June 15, 2021Publication date: March 24, 2022Inventors: Feng Zhao, Utku Seckin
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Publication number: 20210408983Abstract: A switching power amplifier includes logic circuitry that generates first and second components of a differential signal, based on received amplitude code and a delayed version of the same. The amplitude code includes a sign and a magnitude. When the sign is positive, a first logic path is configured to generate the first component based on the received amplitude code and the second logic path is configured to generate the second component based on the delayed amplitude code. When the sign is negative, the first logic path is configured to generate the first component based on the delayed amplitude code and the second logic path is configured to generate the second component based on the received amplitude code. The switching power amplifier further includes a differential-to-single ended conversion circuit configured to generate a single-ended signal based on the differential signal.Type: ApplicationFiled: July 2, 2021Publication date: December 30, 2021Inventors: Utku Seckin, Hanwen Yang
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Patent number: 11095252Abstract: An electronic device may include wireless circuitry with a baseband processor, a transceiver, a front-end module, and an antenna. The transceiver may include mixer circuitry. The mixer circuitry may include switches controlled by oscillator signals. The mixer circuitry may also include oscillator phase noise cancelling capacitors controlled by inverted oscillator signals. Operated in this way, the mixer circuitry exhibits improved noise figure performance.Type: GrantFiled: September 18, 2020Date of Patent: August 17, 2021Assignee: Apple Inc.Inventors: Feng Zhao, Utku Seckin
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Patent number: 11057009Abstract: A switching power amplifier includes logic circuitry that generates first and second components of a differential signal, based on received amplitude code and a delayed version of the same. The amplitude code includes a sign and a magnitude. When the sign is positive, a first logic path is configured to generate the first component based on the received amplitude code and the second logic path is configured to generate the second component based on the delayed amplitude code. When the sign is negative, the first logic path is configured to generate the first component based on the delayed amplitude code and the second logic path is configured to generate the second component based on the received amplitude code. The switching power amplifier further includes a differential-to-single ended conversion circuit configured to generate a single-ended signal based on the differential signal.Type: GrantFiled: August 26, 2019Date of Patent: July 6, 2021Assignee: Apple Inc.Inventors: Utku Seckin, Hanwen Yang
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Publication number: 20210096217Abstract: During operation, a first radar transmitter in an electronic device may provide, via a switch, a first set of electrical signals (such as pulses) during a first time interval to a transmission path, which may result in transmitting of the first wireless signals by an antenna. Then, a second radar transmitter may provide, via the switch, a second set of electrical signals (such as pulses) during a second time interval to the transmission path, which may result in transmitting of the second wireless signals by the antenna. Moreover, N radar receivers in the electronic device may receive first wireless-return signals corresponding to the first set of wireless signals and second wireless-return signals corresponding to the second set of wireless signals. These wireless-return signals may be combined to create a virtual array MIMO radar having an antenna aperture size of 2N.Type: ApplicationFiled: September 26, 2019Publication date: April 1, 2021Inventors: Jouya Jadidian, Chunshu Li, Sujeet Milind Patole, Utku Seckin