Patents by Inventor Jari Johannes Heikkinen
Jari Johannes Heikkinen 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: 9515685Abstract: Apparatus and a method for predistortion of a radio-frequency signal are described. At least one predistortion unit is described that is arranged to receive an analog baseband signal before amplification and to generate an analog predistortion signal based on said analog baseband signal. At least one mixer unit is also described and may be electrically coupled to the at least one predistortion unit. In this case, the at least one mixer unit is arranged to receive the analog baseband signal before amplification and the analog predistortion signal and to generate a weighted combination of said signals.Type: GrantFiled: April 10, 2014Date of Patent: December 6, 2016Assignee: BROADCOM CORPORATIONInventors: Juhani Kalervo Aalto, Jari Johannes Heikkinen
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Patent number: 9479132Abstract: A system and method of frequency conversion or demodulation can be used in wireless environments. A demodulator or frequency converter can include a forward mixer path including an amplifier, a first mixer, a first input, a second input, and a first output. The forward mixer path can be configured to receive a first radio frequency signal at the first input, receive an oscillator signal at the second input and provide a baseband signal. The first mixer can configured to provide a gain.Type: GrantFiled: June 30, 2014Date of Patent: October 25, 2016Assignee: BROADCOM CORPORATIONInventors: Jari Johannes Heikkinen, Jonne Juhani Riekki, Jouni Kristian Kaukovuori
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Patent number: 9325553Abstract: A receiver circuit comprising a connection portion for guiding each one of a first predefined number of carrier signals of multiple carriers to one of a number of receive branches, each receive branch comprising at least one amplifier load structure, the number of receive branches being equal to the first predefined number. The receiver circuit also comprises a mixing portion for generating a second predefined number of mixed carrier signals on each receive branch by mixing a carrier signal on each one of the receive branches with a number of local oscillator frequencies equal to the second predefined number, and a selection portion for selecting one of the second predefined number of mixed carrier signals on each receive branch to be output via a number of output paths equal to the first predetermined number to a digital data path.Type: GrantFiled: June 27, 2013Date of Patent: April 26, 2016Assignee: BROADCOM CORPORATIONInventors: Jouni Kristian Kaukovuori, Jonne Juhani Riekki, Jari Johannes Heikkinen, Aarno Tapio Parssinen, Pauli Mikael Seppinen
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Patent number: 9313053Abstract: Embodiments provide methods, devices, circuitry and systems for supporting or implementing functionality to provide a filtering circuit, and for providing a transmitter, receiver or transceiver system incorporating the same. One embodiment provides a circuit for filtering signals. The circuit comprises a first connection configured to be connected to a signal line carrying varying signal voltage and a second connection. The circuit also comprises a first circuit portion comprising a parallel resonant circuit having a variable capacitance connected in parallel with a first inductor; and a second circuit portion comprising a second inductor. The first circuit portion and the second circuit portion are connected in series between the first connection and the second connection.Type: GrantFiled: November 17, 2014Date of Patent: April 12, 2016Assignee: BROADCOM CORPORATIONInventors: Risto Heikki Kaunisto, Jari Johannes Heikkinen, Jonne Juhani Riekki, Jouni Kristian Kaukovuori, Petri Tapani Eloranta
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Publication number: 20150295554Abstract: A system and method of frequency conversion or demodulation can be used in wireless environments. A demodulator or frequency converter can include a forward mixer path including an amplifier, a first mixer, a first input, a second input, and a first output. The forward mixer path can be configured to receive a first radio frequency signal at the first input, receive an oscillator signal at the second input and provide a baseband signal. The first mixer can configured to provide a gain.Type: ApplicationFiled: June 30, 2014Publication date: October 15, 2015Inventors: Jari Johannes Heikkinen, Jonne Juhani Riekki, Jouni Kristian Kaukovuori
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Publication number: 20150288412Abstract: An apparatus, which includes a local oscillator configured to oscillate at a carrier frequency and having output ports and configured to provide a signal of a respective phase at each of the output ports, wherein the respective phases are different from each other, a plurality of branches, each branch corresponds to one of the output ports and includes a mixer unit, where for each branch, the signal of the respective phase is applied to an input port of the mixer unit and the mixer unit is configured to modulate a baseband signal by the signal of the respective phase of the local oscillator to obtain, at its output port, a respective modulated signal and; a combiner configured to add the modulated signals from the branches to obtain a total signal to be output to a load; and at least one of the branches includes a multi-switch.Type: ApplicationFiled: April 3, 2014Publication date: October 8, 2015Applicant: Broadcom CorporationInventors: Juhani Kalervo AALTO, Jouni Kristian KAUKOVUORI, Jari Johannes HEIKKINEN, Markus NENTWIG, Alain LAVAURE
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Publication number: 20150236887Abstract: A receiver circuit comprising a connection portion for guiding each one of a first predefined number of carrier signals of multiple carriers to one of a number of receive branches, each receive branch comprising at least one amplifier load structure, the number of receive branches being equal to the first predefined number. The receiver circuit also comprises a mixing portion for generating a second predefined number of mixed carrier signals on each receive branch by mixing a carrier signal on each one of the receive branches with a number of local oscillator frequencies equal to the second predefined number, and a selection portion for selecting one of the second predefined number of mixed carrier signals on each receive branch to be output via a number of output paths equal to the first predetermined number to a digital data path.Type: ApplicationFiled: June 27, 2013Publication date: August 20, 2015Inventors: Jouni Kristian Kaukovuori, Jonne Juhani Riekki, Jari Johannes Heikkinen, Aarno Tapio Parssinen, Pauli Mikael Seppinen
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Publication number: 20150078464Abstract: Embodiments provide methods, devices, circuitry and systems for supporting or implementing functionality to provide a filtering circuit, and for providing a transmitter, receiver or transceiver system incorporating the same. One embodiment provides a circuit for filtering signals. The circuit comprises a first connection configured to be connected to a signal line carrying varying signal voltage and a second connection. The circuit also comprises a first circuit portion comprising a parallel resonant circuit having a variable capacitance connected in parallel with a first inductor; and a second circuit portion comprising a second inductor. The first circuit portion and the second circuit portion are connected in series between the first connection and the second connection.Type: ApplicationFiled: November 17, 2014Publication date: March 19, 2015Applicant: BROADCOM CORPORATIONInventors: Risto Heikki KAUNISTO, Jari Johannes HEIKKINEN, Jonne Juhani RIEKKI, Jouni Kristian KAUKOVUORI, Petri Tapani ELORANTA
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Publication number: 20140357204Abstract: Apparatus, methods and methods of manufacture are provided for the processing of a current mode signal. A first signal processing stage comprising at least one output terminal is configured to produce a current mode output signal. A mutual inductance stage is arranged to inductively couple the at least one output terminal of the first signal processing stage to at least one input terminal of a second signal processing stage, wherein an input signal is generated at the at least one input terminal of the second signal processing stage on the basis of the current mode output signal produced at the at least one output terminal of the first signal processing stage.Type: ApplicationFiled: May 30, 2014Publication date: December 4, 2014Applicant: Broadcom CorporationInventors: Jari Johannes HEIKKINEN, Juhani Kalervo AALTO
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Publication number: 20140308908Abstract: Apparatus and a method for predistortion of a radio-frequency signal are described. At least one predistortion unit is described that is arranged to receive an analog baseband signal before amplification and to generate an analog predistortion signal based on said analog baseband signal. At least one mixer unit is also described and may be electrically coupled to the at least one predistortion unit. In this case, the at least one mixer unit is arranged to receive the analog baseband signal before amplification and the analog predistortion signal and to generate a weighted combination of said signals.Type: ApplicationFiled: April 10, 2014Publication date: October 16, 2014Applicant: Broadcom CorporationInventors: Juhani Kalervo AALTO, Jari Johannes HEIKKINEN
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Patent number: 8514021Abstract: Embodiments of the invention are concerned with configurable RFICs. In an exemplary embodiment there is provided a configurable radio-frequency integrated circuit (RFIC) including one or more configurable low noise amplifier circuits, each of said one or more configurable low noise amplifier circuits being configurable between: an internal input impedance matching topology in which the respective low noise amplifier circuit includes one or more internal input impedance matching components adapted to match the input impedance of the respective low noise amplifier to a given input, said one or more internal input impedance matching components being located internally to the respective low noise amplifier circuit; and a topology different from said internal input impedance matching topology.Type: GrantFiled: October 12, 2011Date of Patent: August 20, 2013Assignee: Renesas Mobile CorporationInventors: Jari Johannes Heikkinen, Jonne Juhani Riekki, Jouni Kristian Kaukovuori
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Patent number: 8502596Abstract: Embodiments provide methods, devices, circuitry and systems for supporting or implementing functionality to provide a filtering circuit, and for providing a transmitter, receiver or transceiver incorporating the same. One embodiment provides a circuit for filtering signals. The circuit outputs a plurality of signals at a plurality of frequencies, each of the signals being attenuated by an amount determined by the frequency of the signal. The circuit attenuates signals output at a first frequency by an amount which is low relative to the attenuation of signals output at frequencies other than the first frequency. The circuit further attenuates signals output at a second frequency by an amount which is high relative to the attenuation of signals output at frequencies other than the second frequency. Responsive to a change in the control signal, the circuit changes the first and second frequencies while maintaining a fixed ratio between the first and second frequencies.Type: GrantFiled: November 13, 2012Date of Patent: August 6, 2013Assignee: Renesas Mobile CorporationInventors: Risto Heikki Sakari Kaunisto, Jouni Kristian Kaukovuori, Petri Tapani Eloranta, Jari Johannes Heikkinen, Jonne Juhani Riekki
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Patent number: 8436684Abstract: Embodiments provide an amplifier and a method for using and manufacturing said amplifier that incorporate an impedance matching stage, a feedback circuit, and a gain stage. The impedance matching stage is coupled to the feedback circuit wherein the feedback circuit provides a compensated second bias voltage for the impedance matching stage. The output of the impedance matching stage is used to set an input bias voltage for both the impedance matching stage and the gain stage. The output of the impedance matching stage is also used, together with the output of the gain stage, to produce an output of the amplifier. A signal reuse stage may be provided between the output of the impedance matching stage and the output of the amplifier.Type: GrantFiled: June 20, 2012Date of Patent: May 7, 2013Assignee: Renesas Mobile CorporationInventors: Jonne Juhani Riekki, Jari Johannes Heikkinen, Jouni Kristian Kaukovuori
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Patent number: 8432217Abstract: A configurable low noise amplifier circuit which is configurable between a first topology in which the low noise amplifier circuit includes a degeneration inductance stage whereby the low noise amplifier circuit operates as an inductively degenerated low noise amplifier, and a second topology in which the low noise amplifier circuit includes a common-gate low noise amplifier stage whereby the low noise amplifier circuit operates as a common-gate low noise amplifier. The second topology includes one or more internal input impedance matching components and the first topology does not include the one or more internal input impedance matching components.Type: GrantFiled: October 12, 2011Date of Patent: April 30, 2013Assignee: Renesas Mobile CorporationInventors: Jonne Juhani Riekki, Jari Johannes Heikkinen, Jouni Kristian Kaukovuori
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Patent number: 8428545Abstract: Circuitry for use in a direct conversion transmitting or receiving chains includes mixing circuitry which converts baseband signal to radio frequency or vice versa. A local oscillator to provide a signal having a first component and a second component at a harmonic of the first to the mixing circuitry. The circuitry has a filter circuit which attenuates signals output at a first frequency by an amount which is low relative and which attenuates signals output at a second frequency by an amount which is high, both being relative to the attenuation of signals output at frequencies other than the second frequency. The filter circuit is tunable to vary the frequencies, and configured such that the second frequency is maintained at a predetermined integer multiple of the first frequency.Type: GrantFiled: November 13, 2012Date of Patent: April 23, 2013Assignee: Renesas Mobile CorporationInventors: Risto Heikki Sakari Kaunisto, Jouni Kristian Kaukovuori, Petri Tapani Eloranta, Jari Johannes Heikkinen, Jonne Juhani Riekki
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Patent number: 8427239Abstract: Embodiments provide an amplifier and a method for using and manufacturing said amplifier that incorporate an impedance matching stage, a feedback circuit, and a gain stage. The impedance matching stage is coupled to the feedback circuit wherein the feedback circuit provides a compensated operating voltage for the impedance matching stage. The output of the impedance matching stage is used to set an input bias voltage for both the impedance matching stage and the gain stage. The output of the impedance matching stage is also used, together with the output of the gain stage, to produce an output of the amplifier.Type: GrantFiled: September 2, 2011Date of Patent: April 23, 2013Assignee: Renesas Mobile CorporationInventors: Jonne Juhani Riekki, Jari Johannes Heikkinen, Jouni Kristian Kaukovuori
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Publication number: 20130057346Abstract: Embodiments provide an amplifier and a method for using and manufacturing said amplifier that incorporate an impedance matching stage, a feedback circuit, and a gain stage. The impedance matching stage is coupled to the feedback circuit wherein the feedback circuit provides a compensated second bias voltage for the impedance matching stage. The output of the impedance matching stage is used to set an input bias voltage for both the impedance matching stage and the gain stage. The output of the impedance matching stage is also used, together with the output of the gain stage, to produce an output of the amplifier. A signal reuse stage may be provided between the output of the impedance matching stage and the output of the amplifier.Type: ApplicationFiled: June 20, 2012Publication date: March 7, 2013Applicant: RENESAS MOBILE CORPORATIONInventors: Jonne Juhani RIEKKI, Jari Johannes HEIKKINEN, Jouni Kristian KAUKOVUORI
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Publication number: 20130057350Abstract: Embodiments provide an amplifier and a method for using and manufacturing said amplifier that incorporate an impedance matching stage, a feedback circuit, and a gain stage. The impedance matching stage is coupled to the feedback circuit wherein the feedback circuit provides a compensated operating voltage for the impedance matching stage. The output of the impedance matching stage is used to set an input bias voltage for both the impedance matching stage and the gain stage. The output of the impedance matching stage is also used, together with the output of the gain stage, to produce an output of the amplifier.Type: ApplicationFiled: September 2, 2011Publication date: March 7, 2013Inventors: Jonne Juhani RIEKKI, Jari Johannes Heikkinen, Jouni Kristian Kaukovuori
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Patent number: 8378748Abstract: The invention relates to a configurable low noise amplifier circuit which is configurable between a first topology in which the low noise amplifier circuit includes a degeneration inductance whereby the low noise amplifier circuit operates as an inductively degenerated low noise amplifier, and a second topology in which the low noise amplifier circuit includes a feedback resistance whereby the low noise amplifier circuit operates as a resistive feedback low noise amplifier.Type: GrantFiled: May 19, 2011Date of Patent: February 19, 2013Assignee: Renesas Mobile CorporationInventors: Jari Johannes Heikkinen, Jonne Juhani Riekki, Jouni Kristian Kaukovuori
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Publication number: 20120293262Abstract: The invention relates to a configurable low noise amplifier circuit which is configurable between a first topology in which the low noise amplifier circuit includes a degeneration inductance whereby the low noise amplifier circuit operates as an inductively degenerated low noise amplifier, and a second topology in which the low noise amplifier circuit includes a feedback resistance whereby the low noise amplifier circuit operates as a resistive feedback low noise amplifier.Type: ApplicationFiled: May 19, 2011Publication date: November 22, 2012Inventors: Jari Johannes HEIKKINEN, Jonne Juhani Riekki, Jouni Kristian Kaukovuori