Patents by Inventor Shaul Klein
Shaul Klein 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).
-
Patent number: 10498480Abstract: A microwave transmit system is provided that makes use of optical fiber to convey a microwave frequency source. A local oscillator produces a microwave frequency source in electrical form. A directly modulated laser receives the first microwave frequency source and produces an optical signal. An optical fiber is used to convey the optical signal from the laser to a photodetector. The photodetector receives a first component of the optical signal and converts the first component of the optical signal to a second microwave frequency source in electrical form. A microwave modulator performs microwave modulation using the second microwave frequency source, and a microwave antenna configured to transmit an output of the first microwave modulator. For MIMO operation, there can be a second microwave modulator.Type: GrantFiled: January 19, 2018Date of Patent: December 3, 2019Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Ahikam Aharony, Shaul Klein
-
Publication number: 20190356321Abstract: A stacked synthesizer for wide local oscillator (LO) generation using a dynamic divider. The phase locked loop can include a plurality of voltage controlled oscillators (VCOs), and a selector that can be configured to select an output of one of the plurality of VCOs. The selected output of one of the plurality of VCOs can be provided to an on-chip dynamic divider and to an off-chip dynamic divider for LO sharing. The dynamic dividers can be configured to generate synthesizer outputs based on a multiplication of the selected output of one of the plurality of VCOs by a factor (1+1/M), where M is a variable number.Type: ApplicationFiled: May 17, 2018Publication date: November 21, 2019Inventors: Igal Kushnir, Hung-Ming Chien, Wei-Hong Chen, Theodoros Chalvatzis, Seunghwan Yoon, Chin-Ming Chien, Tirdad Sowlati, Moche Cohen, Kobi Sturkovich, Shaul Klein
-
Publication number: 20190229831Abstract: A microwave transmit system is provided that makes use of optical fiber to convey a microwave frequency source. A local oscillator produces a microwave frequency source in electrical form. A directly modulated laser receives the first microwave frequency source and produces an optical signal. An optical fiber is used to convey the optical signal from the laser to a photodetector. The photodetector receives a first component of the optical signal and converts the first component of the optical signal to a second microwave frequency source in electrical form. A microwave modulator performs microwave modulation using the second microwave frequency source, and a microwave antenna configured to transmit an output of the first microwave modulator. For MIMO operation, there can be a second microwave modulator.Type: ApplicationFiled: January 19, 2018Publication date: July 25, 2019Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: AHIKAM AHARONY, SHAUL KLEIN
-
Publication number: 20190036215Abstract: A technique includes communicating orthogonal signals with an antenna array. The antenna array includes a plurality of pairs of antenna elements. The technique includes amplifying the orthogonal signals and controlling the amplification of the orthogonal signals to regulate a directivity of a beam pattern of the antenna array.Type: ApplicationFiled: July 25, 2017Publication date: January 31, 2019Inventors: Hoda Shahmohammadian, Shaul Klein
-
Patent number: 10033393Abstract: A stacked synthesizer for wide local oscillator (LO) generation using a dynamic divider. The phase locked loop can include a plurality of voltage controlled oscillators (VCOs), and a selector that can be configured to select an output of one of the plurality of VCOs. The selected output of one of the plurality of VCOs can be provided to an on-chip dynamic divider and to an off-chip dynamic divider for LO sharing. The dynamic dividers can be configured to generate synthesizer outputs based on a multiplication of the selected output of one of the plurality of VCOs by a factor (1+1/M), where M is a variable number.Type: GrantFiled: January 10, 2017Date of Patent: July 24, 2018Assignee: MAXLINEAR ASIA SINGAPORE PTE LTDInventors: Igal Kushnir, Hung-Ming Chien, Wei-Hong Chen, Theodoros Chalvatzis, Seunghwan Yoon, Chin-Ming Chien, Tirdad Sowlati, Moche Cohen, Kobi Sturkovich, Shaul Klein
-
Publication number: 20180175869Abstract: A stacked synthesizer for wide local oscillator (LO) generation using a dynamic divider. The phase locked loop can include a plurality of voltage controlled oscillators (VCOs), and a selector that can be configured to select an output of one of the plurality of VCOs. The selected output of one of the plurality of VCOs can be provided to an on-chip dynamic divider and to an off-chip dynamic divider for LO sharing. The dynamic dividers can be configured to generate synthesizer outputs based on a multiplication of the selected output of one of the plurality of VCOs by a factor (1+1/M), where M is a variable number.Type: ApplicationFiled: January 10, 2017Publication date: June 21, 2018Inventors: Igal Kushnir, Hung-Ming Chien, Wei-Hong Chen, Theodoros Chalvatzis, Seunghwan Yoon, Chin-Ming Chien, Tirdad Sowlati, Moche Cohen, Kobi Sturkovich, Shaul Klein
-
Publication number: 20170126238Abstract: A stacked synthesizer for wide local oscillator (LO) generation using a dynamic divider. The phase locked loop can include a plurality of voltage controlled oscillators (VCOs), and a selector that can be configured to select an output of one of the plurality of VCOs. The selected output of one of the plurality of VCOs can be provided to an on-chip dynamic divider and to an off-chip dynamic divider for LO sharing. The dynamic dividers can be configured to generate synthesizer outputs based on a multiplication of the selected output of one of the plurality of VCOs by a factor (1+1/M), where M is a variable number.Type: ApplicationFiled: January 10, 2017Publication date: May 4, 2017Inventors: Igal Kushnir, Hung-Ming Chen, Wei-Hong Chen, Theodoros Chalvatzis, Seunghwan Yoon, Chin-Ming Chen, Tirdad Sowlati, Moche Cohen, Kobi Sturkovich, Shaul Klein
-
Patent number: 9571112Abstract: A stacked synthesizer for wide local oscillator (LO) generation using a dynamic divider. The phase locked loop can include a plurality of voltage controlled oscillators (VCOs), and a selector that can be configured to select an output of one of the plurality of VCOs. The selected output of one of the plurality of VCOs can be provided to an on-chip dynamic divider and to an off-chip dynamic divider for LO sharing. The dynamic dividers can be configured to generate synthesizer outputs based on a multiplication of the selected output of one of the plurality of VCOs by a factor (1+1/M), where M is a variable number.Type: GrantFiled: February 27, 2014Date of Patent: February 14, 2017Assignee: MAXLINEAR ASIA SINGAPORE PTE LTD.Inventors: Igal Kushnir, Hung-Ming Chien, Wei-Hong Chen, Theodoros Chalvatzis, Seunghwan Yoon, Chin-Ming Chien, Tirdad Sowlati, Moche Cohen, Kobi Sturkovich, Shaul Klein
-
Patent number: 9136230Abstract: Embodiments described herein include an integrated circuit (IC) device. For example, the IC device can include a substrate configured to be coupled to a printed circuit board (PCB), an IC die attached to the substrate, and a waveguide launcher formed on the substrate. The waveguide launcher is electrically coupled to the IC die through the substrate.Type: GrantFiled: March 28, 2013Date of Patent: September 15, 2015Assignee: Broadcom CorporationInventors: Sergei Demin, Shaul Klein, Igal Yehuda Kushnir
-
Publication number: 20150222281Abstract: A stacked synthesizer for wide local oscillator (LO) generation using a dynamic divider. The phase locked loop can include a plurality of voltage controlled oscillators (VCOs), and a selector that can be configured to select an output of one of the plurality of VCOs. The selected output of one of the plurality of VCOs can be provided to an on-chip dynamic divider and to an off-chip dynamic divider for LO sharing. The dynamic dividers can be configured to generate synthesizer outputs based on a multiplication of the selected output of one of the plurality of VCOs by a factor (1+1/M), where M is a variable number.Type: ApplicationFiled: February 27, 2014Publication date: August 6, 2015Applicant: Broadcom CorporationInventors: Igal Kushnir, Hung-Ming Chien, Wei-Hong Chen, Theodoros Chalvatzis, Seunghwan Yoon, Chin-Ming Chien, Tirdad Sowlati, Moche Cohen, Kobi Sturkovich, Shaul Klein
-
Publication number: 20140291835Abstract: Embodiments described herein include an integrated circuit (IC) device. For example, the IC device can include a substrate configured to be coupled to a printed circuit board (PCB), an IC die attached to the substrate, and a waveguide launcher formed on the substrate. The waveguide launcher is electrically coupled to the IC die through the substrate.Type: ApplicationFiled: March 28, 2013Publication date: October 2, 2014Applicant: Broadcom CorporationInventors: Sergei DEMIN, Shaul Klein, Igal Yehuda Kushnir
-
Patent number: 8798564Abstract: A transmitter includes an up-converter and a modular receptacle. The up-converter is coupled to convert an input signal into a Radio Frequency (RF) signal having an output frequency, and is configurable to adjust the output frequency over a frequency range containing multiple sub-bands. The modular receptacle includes a first interconnection adapter coupled to the up-converter and a second interconnection adapter for coupling to an antenna. The receptacle is configured to receive between the first and second interconnection adapters a Power Amplifier (PA), which is selected from a group of power amplifiers each covering a respective sub-band in the frequency range.Type: GrantFiled: March 17, 2009Date of Patent: August 5, 2014Assignee: Provigent Ltd.Inventor: Shaul Klein
-
Patent number: 8515366Abstract: A method for power measurement includes applying a nonlinear function to a Radio Frequency (RF) signal that includes a modulated component and a spurious component, so as to produce a broadband signal that includes a Direct-Current (DC) component, a baseband component and one or more High-Frequency (HF) components. The broadband signal is Band-Pass (BP) filtered so as to produce a bandpass signal from which the DC and HF components are removed. Based on the bandpass signal, a power of the modulated component in the RF signal is estimated irrespective of the spurious component.Type: GrantFiled: July 7, 2011Date of Patent: August 20, 2013Assignee: Provigent Ltd.Inventors: Igal (Yehuda) Kushnir, Shaul Klein
-
Publication number: 20130012148Abstract: A method for power measurement includes applying a nonlinear function to a Radio Frequency (RF) signal that includes a modulated component and a spurious component, so as to produce a broadband signal that includes a Direct-Current (DC) component, a baseband component and one or more High-Frequency (HF) components. The broadband signal is Band-Pass (BP) filtered so as to produce a bandpass signal from which the DC and HF components are removed. Based on the bandpass signal, a power of the modulated component in the RF signal is estimated irrespective of the spurious component.Type: ApplicationFiled: July 7, 2011Publication date: January 10, 2013Applicant: PROVIGENT LTDInventors: Igal (Yehuda) Kushnir, Shaul Klein
-
Publication number: 20120213260Abstract: In a novel apparatus for and method of discrete spurious frequency leakage cancellation a radio frequency RF switch is used to couple the upstream path signal to the CATV cable only during transmission bursts. In between transmission bursts, the upstream signal is disconnected from the CATV cable. In a circuit for canceling frequency spurs from a victim signal, a radio frequency (RF) switch is operative to connect and disconnect the victim signal to/from the output in accordance with a switch control signal which is generated by a switch control module. The victim signal is coupled to said RF switch output during transmission bursts only.Type: ApplicationFiled: April 4, 2012Publication date: August 23, 2012Applicant: TEXAS INSTRUMENTS INCORPORATEDInventors: Boris Froimovich, Oren Ben-Hamo, Shaul Klein
-
Patent number: 7978735Abstract: A novel single chip tuner integrated circuit (IC) for multiple video reception in a cable modem. The tuner circuit is well suited for use in cable modem systems adapted to implement the DOCSIS 3.0 specification which specifies multiple simultaneous video channel reception. The single-chip tuner integrated circuit comprises a plurality of tuner sub-circuits wherein each tuner sub-circuit is operative to generate a single output channel, determined in accordance with a tune commend input. The tune command input is used to generate a frequency reference signal that is input to a corresponding tuner sub-circuit. The frequency reference signal for a tuner sub-circuit is mixed with an input RF receive signal from the CATV input to the cable modem to generate a baseband channel. The baseband channel is subsequently filtered, amplified and input to the PHY circuit wherein undergoes analog to digital conversion (ADC) before being input to a baseband processor.Type: GrantFiled: July 10, 2007Date of Patent: July 12, 2011Assignee: Intel CorporationInventors: Ronen Ezra, Shaul Klein
-
Publication number: 20100266000Abstract: A novel apparatus for and method of discrete spurious frequency leakage cancellation for use in a cable modem. The spurious leakage cancellation mechanism is particularly suitable for use in cable modem systems adapted to implement the DOCSIS 2.0 specification which specifies both downstream and upstream channels. In one embodiment, the spurious emission cancellation mechanism cancels the spurious emissions by first creating a replica of the aggressor clock signal having the same amplitude but 180 degree phase shift as the spurious signal. The phase shifted spurious replica is added to the original spurious signal thus cancelling the spurious signal. In another embodiment, an RF switch is used to couple the upstream path signal to the CATV cable only during transmission bursts. In between transmission bursts, the upstream signal is disconnected from the CATV cable. This embodiment takes advantage of the less stringent spurious requirements in the DOCSIS 2.0 specification for transmission bursts.Type: ApplicationFiled: April 20, 2009Publication date: October 21, 2010Inventors: Boris Froimovich, Oren Ben-Hamo, Shaul Klein
-
Publication number: 20100238849Abstract: A transmitter includes an up-converter and a modular receptable. The up-converter is coupled to convert an input signal into a Radio Frequency (RF) signal having an output frequency, and is configurable to adjust the output frequency over a frequency range containing multiple sub-bands. The modular receptacle includes a first interconnection adapter coupled to the up-converter and a second interconnection adapter for coupling to an antenna. The receptable is configured to receive between the first and second interconnection adapters a Power Amplifier (PA), which is selected from a group of power amplifiers each covering a respective sub-band in the frequency range.Type: ApplicationFiled: March 17, 2009Publication date: September 23, 2010Applicant: PROVIGENT LTDInventor: SHAUL KLEIN
-
Patent number: 7746965Abstract: One embodiment of the present invention includes a method for controlling a gain of a wideband signal. The method comprises adding a virtual channel to the wideband signal, the wideband signal comprising at least one channel. The method also comprises monitoring an output power associated with the wideband signal that includes the at least one channel and the virtual channel. The method further comprises setting a gain factor to achieve a predetermined output power of the wideband signal and amplifying the wideband signal based on the gain factor.Type: GrantFiled: July 2, 2007Date of Patent: June 29, 2010Assignee: Texas Instruments IncorporatedInventors: Alon Elhanati, Liran Brecher, Naor Goldman, Noam Tal, Shaul Klein
-
Publication number: 20090133083Abstract: A novel passive circuit for providing improved common mode rejection of a differential amplifier novel. The passive circuit functions to compensate for amplitude mismatches between the two outputs of a differential amplifier. To compensate for the amplitude mismatch between the output traces of the amplifier, a resistor is inserted in series with at either one or both of the differential outputs. The values of the resistors are set such that the mismatch is substantially eliminated. Inductors are connected in parallel with the resistors to create a zero ohm path for power. At high frequencies the inductor impedance is sufficiently high that the series resistor compensates for the imbalance caused by spurious products. The imbalance in the amplifier outputs is corrected with the resulting increase in the rejection of spurious frequency products by exploiting the differential common mode rejection (CMR) effect of the differential amplifier.Type: ApplicationFiled: November 21, 2007Publication date: May 21, 2009Inventors: Shaul Klein, Oren Ben-Hamo, Moshe Meir, Ronen Ezra