Patents by Inventor Jun Goo Won
Jun Goo Won 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: 10879861Abstract: A bias circuit of an amplifying device including amplifying circuits and a bypass circuit responding to a first control signal, includes a first bias circuit, a second bias circuit, and a compensating circuit. The first bias circuit is configured to supply a first base bias voltage to a first amplifying circuit of the amplifying circuits in response to a second control signal. The second bias circuit is configured to supply a second base bias voltage to a second amplifying circuit of the amplifying circuits in response to a third control signal. The compensating circuit is connected to either one or both of the first bias circuit and the second bias circuit, and configured to vary an impedance in response to a fourth control signal, and compensate for either one or both of the first base bias voltage and the second base bias voltage based on the varied impedance.Type: GrantFiled: June 28, 2019Date of Patent: December 29, 2020Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Sang Wook Park, Dae Hee No, Hyun Jun Kim, Bo Hyun Hwang, Jun Goo Won, Da Hye Park, Sung Hwan Park, Ki Joong Kim, Yoshiyuki Tonami
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Publication number: 20200287510Abstract: A bias circuit of an amplifying device including amplifying circuits and a bypass circuit responding to a first control signal, includes a first bias circuit, a second bias circuit, and a compensating circuit. The first bias circuit is configured to supply a first base bias voltage to a first amplifying circuit of the amplifying circuits in response to a second control signal. The second bias circuit is configured to supply a second base bias voltage to a second amplifying circuit of the amplifying circuits in response to a third control signal. The compensating circuit is connected to either one or both of the first bias circuit and the second bias circuit, and configured to vary an impedance in response to a fourth control signal, and compensate for either one or both of the first base bias voltage and the second base bias voltage based on the varied impedance.Type: ApplicationFiled: June 28, 2019Publication date: September 10, 2020Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Sang Wook PARK, Dae Hee NO, Hyun Jun KIM, Bo Hyun HWANG, Jun Goo WON, Da Hye PARK, Sung Hwan PARK, Ki Joong KIM, Yoshiyuki TONAMI
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Patent number: 10666211Abstract: A power amplifier circuit includes a bias circuit and an amplifier circuit. The bias circuit includes a first bias circuit to receive a reference voltage and an operation voltage and generate a first bias signal, a bias supply circuit to transmit the base bias signal to a base of a power amplifier, based on the first bias signal input from the first bias circuit, a switching control circuit to transmit a switching signal after a preset delay time based on a driving start signal, and a switching circuit connected between an output node of the first bias circuit and a ground, to operate in an ON state after the delay time in response to the switching signal to form a current path between the output node of the first bias circuit and the ground.Type: GrantFiled: June 21, 2018Date of Patent: May 26, 2020Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Bo Hyun Hwang, Dae Hee No, Jun Goo Won, Ki Joong Kim, Sung Hwan Park, Da Hye Park
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Patent number: 10547307Abstract: A bias circuit providing different bias voltages depending on a power mode through a simple circuit, and a power amplifier having the same are provided. The bias circuit and the power amplifier include a bias setting unit configured to vary a voltage level of a control signal controlling a bias voltage according to an operation of a first transistor being switched-off in a high power mode and switched-on in a low power mode. A bias supplying unit includes a bias supplying transistor switched based on the control signal, to supply the bias voltage having a voltage level according to a switching operation of the bias supplying transistor.Type: GrantFiled: June 15, 2018Date of Patent: January 28, 2020Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jun Goo Won, Youn Suk Kim, Yoshiyuki Tonami, Ki Joong Kim
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Publication number: 20190199303Abstract: A power amplifier circuit includes a bias circuit and an amplifier circuit. The bias circuit includes a first bias circuit to receive a reference voltage and an operation voltage and generate a first bias signal, a bias supply circuit to transmit the base bias signal to a base of a power amplifier, based on the first bias signal input from the first bias circuit , a switching control circuit to transmit a switching signal after a preset delay time based on a driving start signal , and a switching circuit connected between an output node of the first bias circuit and a ground, to operate in an ON state after the delay time in response to the switching signal to form a current path between the output node of the first bias circuit and the ground.Type: ApplicationFiled: June 21, 2018Publication date: June 27, 2019Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Bo Hyun HWANG, Dae Hee NO, Jun Goo WON, Ki Joong KIM, Sung Hwan PARK, Da Hye PARK
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Publication number: 20180294809Abstract: A bias circuit providing different bias voltages depending on a power mode through a simple circuit, and a power amplifier having the same are provided. The bias circuit and the power amplifier include a bias setting unit configured to vary a voltage level of a control signal controlling a bias voltage according to an operation of a first transistor being switched-off in a high power mode and switched-on in a low power mode. A bias supplying unit includes a bias supplying transistor switched based on the control signal, to supply the bias voltage having a voltage level according to a switching operation of the bias supplying transistor.Type: ApplicationFiled: June 15, 2018Publication date: October 11, 2018Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Jun Goo WON, Youn Suk KIM, Yoshiyuki TONAMI, Ki Joong KIM
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Patent number: 10027320Abstract: A bias circuit providing different bias voltages depending on a power mode through a simple circuit, and a power amplifier having the same are provided. The bias circuit and the power amplifier include a bias setting unit configured to vary a voltage level of a control signal controlling a bias voltage according to an operation of a first transistor being switched-off in a high power mode and switched-on in a low power mode. A bias supplying unit includes a bias supplying transistor switched based on the control signal, to supply the bias voltage having a voltage level according to a switching operation of the bias supplying transistor.Type: GrantFiled: October 19, 2015Date of Patent: July 17, 2018Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jun Goo Won, Youn Suk Kim, Yoshiyuki Tonami, Ki Joong Kim
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Patent number: 9793864Abstract: A voltage detecting apparatus includes a signal extracting circuit configured to extract a coupled signal from a signal output by a power amplifier configured to amplify a signal output by a radio frequency (RF) circuit, and a voltage detecting circuit configured to detect a detection voltage from the coupled signal and provide the detection voltage to the RF circuit. The voltage detecting circuit configured to vary the detection voltage in response to an input control signal.Type: GrantFiled: January 13, 2016Date of Patent: October 17, 2017Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jun Goo Won, Youn Suk Kim, Ki Joong Kim, Da Hye Park
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Patent number: 9667202Abstract: A power amplifier may include an amplifying unit configured to amplify an input signal, an impedance varying unit connected between the amplifying unit and an output port that is for outputting an amplified signal of the input signal, and a controller configured to output a first control signal based on a level of power of the amplified input signal of the amplifying unit to control a varying of impedance of the impedance varying unit.Type: GrantFiled: December 4, 2015Date of Patent: May 30, 2017Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Ki Joong Kim, Youn Suk Kim, Jun Goo Won, Sang Wook Park, Sung Hwan Park
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Patent number: 9479133Abstract: The present invention relates to a power detection circuit and an RF signal amplification circuit having the same. According to an embodiment of the present invention, a power detection circuit including a coupling unit adjacent to an RF matching inductor to extract induced power; a rectification unit for rectifying the signal output from the coupling unit to output the rectified signal; a slope adjustment unit connected between an output terminal of the rectification unit and a ground and adjusting a voltage slope for power detection by changing the output signal of the output terminal of the rectification unit according to changes in internal impedance; and a smoothing unit for receiving the output signal of the output terminal of the rectification unit to smooth the received signal into a DC voltage for power detection using the voltage slope is provided. Further, an RF signal amplification circuit having the same is provided.Type: GrantFiled: August 5, 2014Date of Patent: October 25, 2016Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Ki Joong Kim, Nam Heung Kim, Young Jean Song, Myeong Woo Han, Jun Goo Won, Iizuka Shinichi, Youn Suk Kim
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Publication number: 20160276988Abstract: A voltage detecting apparatus includes a signal extracting circuit configured to extract a coupled signal from a signal output by a power amplifier configured to amplify a signal output by a radio frequency (RF) circuit, and a voltage detecting circuit configured to detect a detection voltage from the coupled signal and provide the detection voltage to the RF circuit. The voltage detecting circuit configured to vary the detection voltage in response to an input control signal.Type: ApplicationFiled: January 13, 2016Publication date: September 22, 2016Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Jun Goo WON, Youn Suk KIM, Ki Joong KIM, Da Hye PARK
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Publication number: 20160248387Abstract: A power amplifier may include an amplifying unit configured to amplify an input signal, an impedance varying unit connected between the amplifying unit and an output port that is for outputting an amplified signal of the input signal, and a controller configured to output a first control signal based on a level of power of the amplified input signal of the amplifying unit to control a varying of impedance of the impedance varying unit.Type: ApplicationFiled: December 4, 2015Publication date: August 25, 2016Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Ki Joong KIM, Youn Suk KIM, Jun Goo WON, Sang Wook PARK, Sung Hwan PARK
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Publication number: 20160134245Abstract: A bias circuit providing different bias voltages depending on a power mode through a simple circuit, and a power amplifier having the same are provided. The bias circuit and the power amplifier include a bias setting unit configured to vary a voltage level of a control signal controlling a bias voltage according to an operation of a first transistor being switched-off in a high power mode and switched-on in a low power mode. A bias supplying unit includes a bias supplying transistor switched based on the control signal, to supply the bias voltage having a voltage level according to a switching operation of the bias supplying transistor.Type: ApplicationFiled: October 19, 2015Publication date: May 12, 2016Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jun Goo WON, Youn Suk KIM, Yoshiyuki TONAMI, Ki Joong KIM
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Patent number: 9246209Abstract: There are provided an antenna and a front end module having an air cavity formed therein and shortening a connection distance with a signal processing module to improve radiation characteristics and facilitate a manufacturing process thereof, the antenna including a substrate having a preset mounting surface, an antenna pattern part formed on the mounting surface of the substrate and transmitting and receiving a signal within a preset frequency band, and a solder ball group having a plurality of solder balls formed on the mounting surface of the substrate to fix the substrate to an external circuit board and disposed at preset intervals around the antenna pattern part to form an air cavity.Type: GrantFiled: February 26, 2013Date of Patent: January 26, 2016Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Myeong Woo Han, Young Jean Song, Jun Goo Won, Shinichi Iizuka, Youn Suk Kim, Ki Joong Kim
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Patent number: 9147513Abstract: There are provided a series inductor array implemented as a single winding capable of decreasing a layout area for providing a plurality of inductors, and a filter including the same, the series inductor array including a winding structure having both ends, and one or more terminal parts electrically connected to a region between the both ends of the winding structure to form an external electrical connection, wherein the winding structure has a structure in which a plurality of inductors having inductance formed in regions of the winding structure disposed between the both ends thereof and the terminal parts or between the terminal parts are connected in series.Type: GrantFiled: February 27, 2013Date of Patent: September 29, 2015Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Young Jean Song, Ki Joong Kim, Myeong Woo Han, Shinichi Iizuka, Ju Young Park, Youn Suk Kim, Jun Goo Won
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Patent number: 9148095Abstract: There are provided a bias circuit and an amplifier controlling a bias voltage, the bias circuit and the amplifier including a control voltage generating unit generating a control voltage using a reference voltage, a bias voltage generating unit generating a bias voltage according to the control voltage, and a voltage drop unit dropping the bias voltage from the bias voltage generating unit to a base voltage so as to provide the base voltage to an amplifying unit, wherein the control voltage generating unit controls the control voltage according to an amplitude of a high-frequency signal input to the amplifying unit.Type: GrantFiled: July 25, 2013Date of Patent: September 29, 2015Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jun Goo Won, Ki Joong Kim, Myeong Woo Han, Shinichi Iizuka, Ju Young Park, Youn Suk Kim
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Patent number: 9136991Abstract: There are provided a power amplifying circuit and a front end module including the same. The power amplifying circuit includes a signal amplifying unit amplifying and outputting a plurality of wireless signals having different frequency bands, and a diplexer circuit transferring at least one of the plurality of wireless signals output from the signal amplifying unit to an antenna, wherein the signal amplifying unit and the diplexer circuit include impedance matching circuits having different impedance matching ranges, respectively, and the impedance matching range of the diplexer circuit is continuous with that of the signal amplifying unit.Type: GrantFiled: February 26, 2013Date of Patent: September 15, 2015Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Ki Joong Kim, Nam Heung Kim, Young Jean Song, Myeong Woo Han, Jun Goo Won, Shinichi Iizuka, Youn Suk Kim
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Patent number: 9118176Abstract: There is provided a radio frequency input circuit including a first direct current blocking unit provided between an input terminal and an input circuit unit and blocking a direct current voltage introduced through the input terminal, a first ESD protection circuit unit provided in parallel with the first direct current blocking unit and forming a bypass path according to an ESD voltage introduced through the input terminal, and a ground circuit unit provided between a first connection node between the first direct current blocking unit and the input circuit unit, and a ground, and forming a ground path according to the ESD voltage.Type: GrantFiled: February 11, 2013Date of Patent: August 25, 2015Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Youn Suk Kim, Myeong Woo Han, Jun Goo Won, Shinichi Iizuka, Young Jean Song, Ki Joong Kim
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Publication number: 20150187676Abstract: An electronic component module may include a substrate configured to have a cavity formed therein, and an electronic component embedded in the cavity while being attached to one surface of the heat radiating plate. The electronic component module may significantly decrease effects of element interference and electromagnetic wave interference between electronic components by forming a wiring pattern above a cavity.Type: ApplicationFiled: April 22, 2014Publication date: July 2, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jun Goo WON, Sung Hwan PARK, Myeong Woo HAN, Hyo Gun BAE, Youn Suk KIM, Ki Joong KIM
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Patent number: 9071213Abstract: There are provided a bias circuit and an amplifier having a current limit function, including: a control voltage generating unit generating a control voltage using a reference voltage; a bias voltage generating unit generating a bias voltage according to the control voltage; and a bias current limit unit controlling the control voltage according to a bias current of the bias voltage generating unit.Type: GrantFiled: July 10, 2013Date of Patent: June 30, 2015Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Shinichi Iizuka, Young Jean Song, Ki Joong Kim, Myeong Woo Han, Ju Young Park, Youn Suk Kim, Jun Goo Won