Patents by Inventor Nebil Tanzi

Nebil Tanzi 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).

  • Wireless communication technology, apparatuses, and methods
    Patent number: 11955732
    Abstract: Millimeter wave (mmWave) technology, apparatuses, and methods that relate to transceivers, receivers, and antenna structures for wireless communications are described. The various aspects include co-located millimeter wave (mmWave) and near-field communication (NFC) antennas, scalable phased array radio transceiver architecture (SPARTA), phased array distributed communication system with MIMO support and phase noise synchronization over a single coax cable, communicating RF signals over cable (RFoC) in a distributed phased array communication system, clock noise leakage reduction, IF-to-RF companion chip for backwards and forwards compatibility and modularity, on-package matching networks, 5G scalable receiver (Rx) architecture, among others.
    Type: Grant
    Filed: December 27, 2022
    Date of Patent: April 9, 2024
    Assignee: Intel Corporation
    Inventors: Erkan Alpman, Arnaud Lucres Amadjikpe, Omer Asaf, Kameran Azadet, Rotem Banin, Miroslav Baryakh, Anat Bazov, Stefano Brenna, Bryan K. Casper, Anandaroop Chakrabarti, Gregory Chance, Debabani Choudhury, Emanuel Cohen, Claudio Da Silva, Sidharth Dalmia, Saeid Daneshgar Asl, Kaushik Dasgupta, Kunal Datta, Brandon Davis, Ofir Degani, Amr M. Fahim, Amit Freiman, Michael Genossar, Eran Gerson, Eyal Goldberger, Eshel Gordon, Meir Gordon, Josef Hagn, Shinwon Kang, Te Yu Kao, Noam Kogan, Mikko S. Komulainen, Igal Yehuda Kushnir, Saku Lahti, Mikko M. Lampinen, Naftali Landsberg, Wook Bong Lee, Run Levinger, Albert Molina, Resti Montoya Moreno, Tawfiq Musah, Nathan G. Narevsky, Hosein Nikopour, Oner Orhan, Georgios Palaskas, Stefano Pellerano, Ron Pongratz, Ashoke Ravi, Shmuel Ravid, Peter Andrew Sagazio, Eren Sasoglu, Lior Shakedd, Gadi Shor, Baljit Singh, Menashe Soffer, Ra'anan Sover, Shilpa Talwar, Nebil Tanzi, Moshe Teplitsky, Chintan S. Thakkar, Jayprakash Thakur, Avi Tsarfati, Yossi Tsfati, Marian Verhelst, Nir Weisman, Shuhei Yamada, Ana M. Yepes, Duncan Kitchin
  • REMOTE BEAM STEERING FOR A MILLIMETER WAVE REPEATER
    Publication number: 20230188194
    Abstract: A wireless communication device can include modem circuitry to connect the UE to a repeater over a side-link connection. The device can also include processing circuitry to control a repeater beamforming process to select a beam angle from the repeater to a base station and initiate a communication procedure using the selected beam angle. Other methods, systems and apparatuses are described.
    Type: Application
    Filed: December 14, 2021
    Publication date: June 15, 2023
    Inventors: Bruce Geren, Wayne Ballantyne, Gregory Chance, Xi Li, Peter Pawliuk, Nebil Tanzi
  • WIRELESS COMMUNICATION TECHNOLOGY, APPARATUSES, AND METHODS
    Publication number: 20230145401
    Abstract: Millimeter wave (mmWave) technology, apparatuses, and methods that relate to transceivers, receivers, and antenna structures for wireless communications are described. The various aspects include co-located millimeter wave (mmWave) and near-field communication (NFC) antennas, scalable phased array radio transceiver architecture (SPARTA), phased array distributed communication system with MIMO support and phase noise synchronization over a single coax cable, communicating RF signals over cable (RFoC) in a distributed phased array communication system, clock noise leakage reduction, IF-to-RF companion chip for backwards and forwards compatibility and modularity, on-package matching networks, 5G scalable receiver (Rx) architecture, among others.
    Type: Application
    Filed: December 27, 2022
    Publication date: May 11, 2023
    Inventors: Erkan Alpman, Arnaud Lucres Amadjikpe, Omer Asaf, Kameran Azadet, Rotem Banin, Miroslav Baryakh, Anat Bazov, Stefano Brenna, Bryan K. Casper, Anandaroop Chakrabarti, Gregory Chance, Debabani Choudhury, Emanuel Cohen, Claudio Da Silva, Sidharth Dalmia, Saeid Daneshgar Asl, Kaushik Dasgupta, Kunal Datta, Brandon Davis, Ofir Degani, Amr M. Fahim, Amit Freiman, Michael Genossar, Eran Gerson, Eyal Goldberger, Eshel Gordon, Meir Gordon, Josef Hagn, Shinwon Kang, Te Yu Kao, Noam Kogan, Mikko S. Komulainen, Igal Yehuda Kushnir, Saku Lahti, Mikko M. Lampinen, Naftali Landsberg, Wook Bong Lee, Run Levinger, Albert Molina, Resti Montoya Moreno, Tawfiq Musah, Nathan G. Narevsky, Hosein Nikopour, Oner Orhan, Georgios Palaskas, Stefano Pellerano, Ron Pongratz, Ashoke Ravi, Shmuel Ravid, Peter Andrew Sagazio, Eren Sasoglu, Lior Shakedd, Gadi Shor, Baljit Singh, Menashe Soffer, Ra'anan Sover, Shilpa Talwar, Nebil Tanzi, Moshe Teplitsky, Chintan S. Thakkar, Jayprakash Thakur, Avi Tsarfati, Yossi Tsfati, Marian Verhelst, Nir Weisman, Shuhei Yamada, Ana M. Yepes, Duncan Kitchin
  • WIRELESS COMMUNICATION TECHNOLOGY, APPARATUSES, AND METHODS
    Publication number: 20220384956
    Abstract: Millimeter wave (mmWave) technology, apparatuses, and methods that relate to transceivers, receivers, and antenna structures for wireless communications are described. The various aspects include co-located millimeter wave (mmWave) and near-field communication (NFC) antennas, scalable phased array radio transceiver architecture (SPARTA), phased array distributed communication system with MIMO support and phase noise synchronization over a single coax cable, communicating RF signals over cable (RFoC) in a distributed phased array communication system, clock noise leakage reduction, IF-to-RF companion chip for backwards and forwards compatibility and modularity, on-package matching networks, 5G scalable receiver (Rx) architecture, among others.
    Type: Application
    Filed: May 2, 2022
    Publication date: December 1, 2022
    Inventors: Erkan Alpman, Arnaud Lucres Amadjikpe, Omer Asaf, Kameran Azadet, Rotem Banin, Miroslav Baryakh, Anat Bazov, Stefano Brenna, Bryan K. Casper, Anandaroop Chakrabarti, Gregory Chance, Debabani Choudhury, Emanuel Cohen, Claudio Da Silva, Sidharth Dalmia, Saeid Daneshgar Asi, Kaushik Dasgupta, Kunal Datta, Brandon Davis, Ofir Degani, Amr M. Fahim, Amit Freiman, Michael Genossar, Eran Gerson, Eyal Goldberger, Eshel Gordon, Meir Gordon, Josef Hagn, Shinwon Kang, Te Yu Kao, Noam Kogan, Mikko S. Komulainen, Igal Yehuda Kushnir, Saku Lahti, Mikko M. Lampinen, Naftali Landsberg, Wook Bong Lee, Run Levinger, Albert Molina, Resti Montoya Moreno, Tawfiq Musah, Nathan G. Narevsky, Hosein Nikopour, Oner Orhan, Georgios Palaskas, Stefano Pellerano, Ron Pongratz, Ashoke Ravi, Shmuel Ravid, Peter Andrew Sagazio, Eren Sasoglu, Lior Shakedd, Gadi Shor, Baljit Singh, Menashe Soffer, Ra'anan Sover, Shilpa Talwar, Nebil Tanzi, Moshe Teplitsky, Chintan S. Thakkar, Jayprakash Thakur, Avi Tsarfati, Yossi Tsfati, Marian Verhelst, Nir Weisman, Shuhei Yamada, Ana M. Yepes, Duncan Kitchin
  • Wireless communication technology, apparatuses, and methods
    Patent number: 11424539
    Abstract: Millimeter wave (mmWave) technology, apparatuses, and methods that relate to transceivers, receivers, and antenna structures for wireless communications are described. The various aspects include co-located millimeter wave (mmWave) and near-field communication (NFC) antennas, scalable phased array radio transceiver architecture (SPARTA), phased array distributed communication system with MIMO support and phase noise synchronization over a single coax cable, communicating RF signals over cable (RFoC) in a distributed phased array communication system, clock noise leakage reduction, IF-to-RF companion chip for backwards and forwards compatibility and modularity, on-package matching networks, 5G scalable receiver (Rx) architecture, among others.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: August 23, 2022
    Assignee: Intel Corporation
    Inventors: Erkan Alpman, Arnaud Lucres Amadjikpe, Omer Asaf, Kameran Azadet, Rotem Banin, Miroslav Baryakh, Anat Bazov, Stefano Brenna, Bryan K. Casper, Anandaroop Chakrabarti, Gregory Chance, Debabani Choudhury, Emanuel Cohen, Claudio Da Silva, Sidharth Dalmia, Saeid Daneshgar Asl, Kaushik Dasgupta, Kunal Datta, Brandon Davis, Ofir Degani, Amr M. Fahim, Amit Freiman, Michael Genossar, Eran Gerson, Eyal Goldberger, Eshel Gordon, Meir Gordon, Josef Hagn, Shinwon Kang, Te Yu Kao, Noam Kogan, Mikko S. Komulainen, Igal Yehuda Kushnir, Saku Lahti, Mikko M. Lampinen, Naftali Landsberg, Wook Bong Lee, Run Levinger, Albert Molina, Resti Montoya Moreno, Tawfiq Musah, Nathan G. Narevsky, Hosein Nikopour, Oner Orhan, Georgios Palaskas, Stefano Pellerano, Ron Pongratz, Ashoke Ravi, Shmuel Ravid, Peter Andrew Sagazio, Eren Sasoglu, Lior Shakedd, Gadi Shor, Baljit Singh, Menashe Soffer, Ra'anan Sover, Shilpa Talwar, Nebil Tanzi, Moshe Teplitsky, Chintan S. Thakkar, Jayprakash Thakur, Avi Tsarfati, Yossi Tsfati, Marian Verhelst, Nir Weisman, Shuhei Yamada, Ana M. Yepes, Duncan Kitchin
  • Communication scanning method and system
    Patent number: 11329706
    Abstract: In a communication device and corresponding methods, a hierarchical, reduced power, beam search process includes a hierarchical activation of the radio frequency frontend (RFFE), transceiver, and baseband integrated circuit (BBIC) for a beam searching operations. For example, a first signal metric measurements can be performed to determine signal information. An operating mode can be determined based on the signal information. In a first operating mode, one or more second signal metric measurements can be performed for a subset of beamforming configurations of the wireless communication device to determine beamforming information. In a second operating mode, one or more third signal metric measurements can be performed on the beamforming configurations to determine the beamforming information.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: May 10, 2022
    Assignee: Intel Corporation
    Inventors: Wayne Ballantyne, Gregory Chance, Bruce Geren, Dror Markovich, Peter Pawliuk, Nebil Tanzi
  • Techniques for addressing phase noise and phase lock loop performance
    Patent number: 11258450
    Abstract: Techniques are provided for reducing or mitigating phase noise of a digital phase lock loop or the system depending on the digital phase lock loop. In an example, a multiple-mode digital phase lock loop can include a digital phase lock loop (DPLL), multiple frequency scalers configured to receive a reference clock, and a multiplexer configured to receive a mode command signal and to couple an output of one of the multiple frequency scalers to an input of the DPLL in response to a state of the mode command signal.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: February 22, 2022
    Assignee: Intel Corporation
    Inventors: Niranjan Karandikar, Wayne Ballantyne, Gregory Chance, Simon Hughes, Daniel Schwartz, Nebil Tanzi
  • RADIO DESIGN, CONTROL, AND ARCHITECTURE
    Publication number: 20210391853
    Abstract: Techniques are described related to digital radio control, partitioning, and operation. The various techniques described herein enable high-frequency local oscillator signal generation and frequency multiplication using radio-frequency (RF) digital to analog converters (RFDACs). The use of these components and others described throughout this disclosure allow for the realization of various improvements. For example, digital, analog, and hybrid beamforming control are implemented and the newly-enabled digital radio architecture partitioning enables radio components to be pushed to the radio head, allowing for the omission of high frequency cables and/or connectors.
    Type: Application
    Filed: December 28, 2018
    Publication date: December 16, 2021
    Inventors: Benjamin Jann, Ashoke Ravi, Satwik Patnaik, Elan Banin, Ofir Degani, Nebil Tanzi, Brandon Davis, Igal Kushnir, Jonathan Jensen, Sidharth Dalmia, Peter Pawliuk
  • COMMUNICATION SCANNING METHOD AND SYSTEM
    Publication number: 20210234596
    Abstract: In a communication device and corresponding methods, a hierarchical, reduced power, beam search process includes a hierarchical activation of the radio frequency frontend (RFFE), transceiver, and baseband integrated circuit (BBIC) for a beam searching operations. For example, a first signal metric measurements can be performed to determine signal information. An operating mode can be determined based on the signal information. In a first operating mode, one or more second signal metric measurements can be performed for a subset of beamforming configurations of the wireless communication device to determine beamforming information. In a second operating mode, one or more third signal metric measurements can be performed on the beamforming configurations to determine the beamforming information.
    Type: Application
    Filed: September 28, 2018
    Publication date: July 29, 2021
    Inventors: Wayne Ballantyne, Gregory Chance, Bruce Geren, Dror Markovich, Peter Pawliuk, Nebil Tanzi
  • TECHNIQUES FOR ADRESSING PHASE NOISE AND PHASE LOCK LOOP PERFORMANCE
    Publication number: 20210021272
    Abstract: Techniques are provided for reducing or mitigating phase noise of a digital phase lock loop or the system depending on the digital phase lock loop. In an example, a multiple-mode digital phase lock loop can include a digital phase lock loop (DPLL), multiple frequency scalers configured to receive a reference clock, and a multiplexer configured to receive a mode command signal and to couple an output of one of the multiple frequency scalers to an input of the DPLL in response to a state of the mode command signal.
    Type: Application
    Filed: March 30, 2018
    Publication date: January 21, 2021
    Inventors: Niranjan Karandikar, Wayne Ballantyne, Gregory Chance, Simon Hughes, Daniel Schwartz, Nebil Tanzi
  • Techniques for integrating three-dimensional islands for radio frequency (RF) circuits
    Patent number: 10790332
    Abstract: Techniques to fabricate an RF filter using 3 dimensional island integration are described. A donor wafer assembly may have a substrate with a first and second side. A first side of a resonator layer, which may include a plurality of resonator circuits, may be coupled to the first side of the substrate. A weak adhesive layer may be coupled to the second side of the resonator layer, followed by a low-temperature oxide layer and a carrier wafer. A cavity in the first side of the resonator layer may expose an electrode of the first resonator circuit. An RF assembly may have an RF wafer having a first and a second side, where the first side may have an oxide mesa coupled to an oxide layer. A first resonator circuit may be then coupled to the oxide mesa of the first side of the RF wafer.
    Type: Grant
    Filed: December 24, 2015
    Date of Patent: September 29, 2020
    Assignee: Intel Corporation
    Inventors: Bruce A. Block, Paul B. Fischer, Nebil Tanzi, Gregory Chance, Han Wui Then, Sansaptak Dasgupta, Marko Radosavljevic
  • WIRELESS COMMUNICATION TECHNOLOGY, APPARATUSES, AND METHODS
    Publication number: 20200091608
    Abstract: Millimeter wave (mmWave) technology, apparatuses, and methods that relate to transceivers, receivers, and antenna structures for wireless communications are described. The various aspects include co-located millimeter wave (mmWave) and near-field communication (NFC) antennas, scalable phased array radio transceiver architecture (SPARTA), phased array distributed communication system with MIMO support and phase noise synchronization over a single coax cable, communicating RF signals over cable (RFoC) in a distributed phased array communication system, clock noise leakage reduction, IF-to-RF companion chip for backwards and forwards compatibility and modularity, on-package matching networks, 5G scalable receiver (Rx) architecture, among others.
    Type: Application
    Filed: December 20, 2017
    Publication date: March 19, 2020
    Inventors: Erkan Alpman, Arnaud Lucres Amadjikpe, Omer Asaf, Kameran Azadet, Rotem Banin, Miroslav Baryakh, Anat Bazov, Stefano Brenna, Bryan K. Casper, Anandaroop Chakrabarti, Gregory Chance, Debabani Choudhury, Emanuel Cohen, Claudio Da Silva, Sidharth Dalmia, Saeid Daneshgar Asl, Kaushik Dasgupta, Kunal Datta, Brandon Davis, Ofir Degani, Amr M. Fahim, Amit Freiman, Michael Genossar, Eran Gerson, Eyal Goldberger, Eshel Gordon, Meir Gordon, Josef Hagn, Shinwon Kang, Te Yu Kao, Noam Kogan, Mikko S. Komulainen, Igal Yehuda Kushnir, Saku Lahti, Mikko M. Lampinen, Naftali Landsberg, Wook Bong Lee, Run Levinger, Albert Molina, Resti Montoya Moreno, Tawfiq Musah, Nathan G. Narevsky, Hosein Nikopour, Oner Orhan, Georgios Palaskas, Stefano Pellerano, Ron Pongratz, Ashoke Ravi, Shmuel Ravid, Peter Andrew Sagazio, Eren Sasoglu, Lior Shakedd, Gadi Shor, Baljit Singh, Menashe Soffer, Ra'anan Sover, Shilpa Talwar, Nebil Tanzi, Moshe Teplitsky, Chintan S. Thakkar, Jayprakash Thakur, Avi Tsarfati, Yossi Tsfati, Marian Verhelst, Nir Weisman, Shuhei Yamada, Ana M. Yepes, Duncan Kitchin
  • Apparatus for uplink multi-antenna communication based on a hybrid coupler and a tunable phase shifter
    Patent number: 10171126
    Abstract: Embodiments of front-end module (FEM) circuitry and a communication device are generally described herein. In some embodiments, the FEM circuitry may be configured to provide uplink (UL) multiple-input multiple-output (MIMO) signals and/or UL carrier aggregation (CA) signals for transmission by the communication device. The FEM circuitry may comprise a hybrid coupler to generate a first antenna transmit signal and a second antenna transmit signal. The FEM circuitry may further comprise one or more tunable phase shifters. In some embodiments, the phase shifters may phase-shift a first radio frequency (RF) signal and a second RF signal according to a 90 degree phase difference to generate the hybrid coupler input signals. Accordingly, the antenna transmit signals may be transmitted according to the UL-MIMO configuration.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: January 1, 2019
    Assignee: Intel IP Corporation
    Inventors: Gregory Chance, Nebil Tanzi
  • TECHNIQUES FOR INTEGRATING THREE-DIMENSIONAL ISLANDS FOR RADIO FREQUENCY (RF) CIRCUITS
    Publication number: 20180358406
    Abstract: Techniques to fabricate an RF filter using 3 dimensional island integration are described. A donor wafer assembly may have a substrate with a first and second side. A first side of a resonator layer, which may include a plurality of resonator circuits, may be coupled to the first side of the substrate. A weak adhesive layer may be coupled to the second side of the resonator layer, followed by a low-temperature oxide layer and a carrier wafer. A cavity in the first side of the resonator layer may expose an electrode of the first resonator circuit. An RF assembly may have an RF wafer having a first and a second side, where the first side may have an oxide mesa coupled to an oxide layer. A first resonator circuit may be then coupled to the oxide mesa of the first side of the RF wafer.
    Type: Application
    Filed: December 24, 2015
    Publication date: December 13, 2018
    Inventors: Bruce A. BLOCK, Paul B. FISCHER, Nebil TANZI, Gregory CHANCE, Han Wui THEN, Sansaptak DASGUPTA, Marko RADOSAVLJEVIC
  • Architecture and control of analog self-interference cancellation
    Patent number: 9722713
    Abstract: An apparatus for interference cancellation in wireless communication systems configured for reception, comprises a receive signal path configured to convey an overall receive (Rx) signal comprising an Rx signal and a residual transmit (Tx) signal, from an antenna port to an Rx input port of a transceiver, and at least one cancellation path configured to receive a leakage Tx signal from the antenna port. Further, the apparatus comprises a cancellation unit configured to apply a cancellation signal to the overall Rx signal in the receive signal path and a compensation unit configured to generate the cancellation signal by modifying the leakage Tx signal in the cancellation path, based on a compensation control signal. In addition, the apparatus comprises a feedback receiver unit configured to generate the compensation control signal based on the residual Tx signal in the overall Rx signal and the cancellation signal.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: August 1, 2017
    Assignee: Intel IP Corporation
    Inventors: Nebil Tanzi, Gregory Chance
  • Architecture and control of hybrid coupler based analog self-interference cancellation
    Patent number: 9602149
    Abstract: An apparatus for interference cancellation in a wireless communication system, includes a cancellation unit configured to receive a transmit (Tx) signal from an output port of a power amplifier and a receive (Rx) signal from an antenna, and generate a cancellation of a primary portion of the Tx signal from the Rx signal at an output thereof, leaving a residual portion as a residual Tx signal, wherein the output of the cancellation unit is coupled to an Rx input port of a transceiver. The apparatus further includes a compensation control unit configured to modify one or more signals within the cancellation unit, based on the residual Tx signal at the output of the cancellation unit.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: March 21, 2017
    Assignee: Intel IP Corporation
    Inventors: Nebil Tanzi, Gregory Chance
  • APPARATUS FOR UPLINK MULTI-ANTENNA COMMUNICATION BASED ON A HYBRID COUPLER AND A TUNABLE PHASE SHIFTER
    Publication number: 20170062897
    Abstract: Embodiments of front-end module (FEM) circuitry and a communication device are generally described herein. In some embodiments, the FEM circuitry may be configured to provide uplink (UL) multiple-input multiple-output (MIMO) signals and/or UL carrier aggregation (CA) signals for transmission by the communication device. The FEM circuitry may comprise a hybrid coupler to generate a first antenna transmit signal and a second antenna transmit signal. The FEM circuitry may further comprise one or more tunable phase shifters. In some embodiments, the phase shifters may phase-shift a first radio frequency (RF) signal and a second RF signal according to a 90 degree phase difference to generate the hybrid coupler input signals. Accordingly, the antenna transmit signals may be transmitted according to the UL-MIMO configuration.
    Type: Application
    Filed: August 31, 2015
    Publication date: March 2, 2017
    Inventors: Gregory Chance, Nebil Tanzi
  • ARCHITECTURE AND CONTROL OF ANALOG SELF-INTERFERENCE CANCELLATION
    Publication number: 20160380706
    Abstract: An apparatus for interference cancellation in wireless communication systems configured for reception, comprises a receive signal path configured to convey an overall receive (Rx) signal comprising an Rx signal and a residual transmit (Tx) signal, from an antenna port to an Rx input port of a transceiver, and at least one cancellation path configured to receive a leakage Tx signal from the antenna port. Further, the apparatus comprises a cancellation unit configured to apply a cancellation signal to the overall Rx signal in the receive signal path and a compensation unit configured to generate the cancellation signal by modifying the leakage Tx signal in the cancellation path, based on a compensation control signal. In addition, the apparatus comprises a feedback receiver unit configured to generate the compensation control signal based on the residual Tx signal in the overall Rx signal and the cancellation signal.
    Type: Application
    Filed: June 26, 2015
    Publication date: December 29, 2016
    Inventors: Nebil Tanzi, Gregory Chance
  • TRANSFORMER BASED DUPLEXER
    Publication number: 20160380604
    Abstract: A tunable transformer based duplexer (TTBD) comprising a first antenna port and a second antenna port. The TTBD further comprises a first winding coupled between a transmitting port and the first antenna port, wherein the first antenna port is configured to receive a first signal; a second winding coupled between the transmitting port and the second antenna port, wherein the second antenna port is configured to receive a second signal. Further, the TTBD comprises a receiving amplifier comprising at least one input and at least one output. The TTBD also comprises a third winding comprising a first terminal and a second terminal. The third winding comprises a first inductance and is coupled to the at least one output of the amplifier circuit. A first coupling is formed between the first winding and the third winding and a second coupling is formed between the second winding and the third winding.
    Type: Application
    Filed: June 26, 2015
    Publication date: December 29, 2016
    Inventors: Gregory Chance, Nebil Tanzi
  • Transceiver circuit arrangement and method
    Patent number: 6950634
    Abstract: A doubly balanced transceiver system having a transmit terminal (TX), a receive terminal (RX), and an an antenna terminal (ANTENNA), 180° hybrids (201, 240), 90° hybrids (204, 304, 235 and 335), a power amplifier (230, 330) and a RX/TX switch (220) for disabling the power amplifier so that signals received at the transmitter are reflected to the receive terminal (RX). The 180° hybrids (201, 240) preferably split and re-combine signals into parallel paths. A loopback test mode is preferably provided by use of an antenna isolation switch (302) to enable a power detect terminal (POWER_DETECT). This eliminates pricey and problematic GaAs switches, and allows the use of low cost silicon for the power amplifier. The doubly balance architecture also has the advantage of eliminating common-mode noise, and reflection problems with the PA gain stages. Additionally, greater power can be extracted from the power amplifier. Further the arrangement has less insertion loss compared to a GaAs switch.
    Type: Grant
    Filed: May 23, 2002
    Date of Patent: September 27, 2005
    Assignee: Freescale Semiconductor, Inc.
    Inventors: Jeffrey A Dykstra, Nebil Tanzi