Patents by Inventor Gyu Suck Kim
Gyu Suck Kim 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: 8493169Abstract: Disclosed herein are a transformer and a method of manufacturing the same. The transformer includes: a primary side winding having a loop shape; a secondary side winding formed on the same plane as that of the primary side winding in a remaining section except for at least a section at which it intersects with the primary side winding and having the same loop shape as that of the primary side winding so as to be electromagnetically coupled to the primary side winding; and an intersecting section formed so that the primary side and secondary side windings having the sum of the turn numbers of 3 or more intersect with each other in a two-layer structure, wherein the intersecting section includes at least one point of intermediate node having one side connected in a first layer and the other side connected in a second layer.Type: GrantFiled: November 20, 2012Date of Patent: July 23, 2013Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hyun Paek, Yoo Sam Na, Hyeon Seok Hwang, Gyu Suck Kim, Su Syeong Kim, Shin Hwan Hwang, Moon Suk Jeong
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Patent number: 8482355Abstract: There is provided a complementary metal oxide semiconductor (CMOS) power amplifier including: a load unit connected between an operating voltage supply terminal and an output terminal; an amplifying unit formed as a cascode structure between the load unit and a ground, amplifying a power of an input signal input through an input terminal and outputting the amplified signal through an output terminal; and a threshold voltage control unit varying a threshold voltage of the amplifying unit according to a magnitude of the input signal input through the input terminal.Type: GrantFiled: September 1, 2011Date of Patent: July 9, 2013Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Byeong Hak Jo, Yoo Sam Na, Hyeon Seok Hwang, Moon Suk Jeong, Gyu Suck Kim, Moon Sun Kim
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Publication number: 20130162350Abstract: There is provided a power amplifier capable of increasing linear output power and efficiency without sacrificing an overall gain by employing a vector modulation function in a driving stage, with no separate vector modulator. The power amplifier includes a driving stage performing vector-modulation on an input RF signal to provide an I channel signal and a Q channel signal having different phases and amplifying the I channel signal and the Q channel signal to set gains; and a power stage amplifying power levels of the signals amplified by the driving stage.Type: ApplicationFiled: February 28, 2012Publication date: June 27, 2013Inventors: Ki Yong SON, Gyu Suck KIM, Yoo Sam NA, Song Cheol Hong, Bon Hoon KOO
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Publication number: 20130076447Abstract: There is provided a power amplifier module having a bias circuit, in which a bias power is supplied to an amplifier by differently setting an impedance between an input signal terminal and a reference power terminal and an impedance between the input signal terminal and a ground. The power amplifier module includes: an amplifier unit receiving a bias power to amplify an input signal; and a bias unit supplying the bias power to the amplifier, by differently setting an impedance between an input signal terminal transmitting the input signal therethrough and a reference power terminal transmitting a reference power having a predetermined voltage level and an impedance between the input signal terminal and a ground.Type: ApplicationFiled: April 11, 2012Publication date: March 28, 2013Inventors: Gyu Suck KIM, Yoo Sam NA
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Publication number: 20130057349Abstract: There is provided a complementary metal oxide semiconductor (CMOS) power amplifier including: a load unit connected between an operating voltage supply terminal and an output terminal; an amplifying unit formed as a cascode structure between the load unit and a ground, amplifying a power of an input signal input through an input terminal and outputting the amplified signal through an output terminal; and a threshold voltage control unit varying a threshold voltage of the amplifying unit according to a magnitude of the input signal input through the input terminal.Type: ApplicationFiled: September 1, 2011Publication date: March 7, 2013Inventors: Byeong Hak JO, Yoo Sam NA, Hyeon Seok HWANG, Moon Suk JEONG, Gyu Suck KIM, Moon Sun KIM
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Patent number: 8354883Abstract: There is provided a power amplifier capable of supplying variable bias to an amplifier circuit by accurately transferring the envelope components of an input signal during the supply of active bias power to the amplifier circuit. The power amplifier includes: an envelope detector detecting an envelope of an input signal; a bias power generator including at least one P-type MOSFET and one N-type MOSFET connected to each other in an inverter manner between a driving power terminal supplying driving power having a preset voltage level and a reference bias power terminal supplying preset reference bias power to generate bias power varied according to detection results from the envelope detector; and an amplifier amplifying the input signal according to the bias power level from the bias power generator.Type: GrantFiled: February 9, 2011Date of Patent: January 15, 2013Assignees: Samsung Electro-Mechanics Co., Ltd., Korea Advanced Institute of Science and TechnologyInventors: Bon Hoon Koo, Ki Yong Son, Song Cheol Hong, Gyu Suck Kim, Yoo Sam Na
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Patent number: 8143950Abstract: Disclosed herein is a power amplifier. The power amplifier includes a first common source transistor for amplifying an input signal into a predetermined level, a second common source transistor for compensating for input capacitance and performing auxiliary amplification for the first common source transistor, and a common gate transistor connected to the first common source transistor in a cascode structure, configured to be connected in parallel to the second common source transistor and prevent the first common source transistor from breaking down, and configured to output a signal amplified by a value obtained by adding the gain of the first common source transistor and the gain of the second common source transistor to each other.Type: GrantFiled: February 24, 2010Date of Patent: March 27, 2012Assignee: Samsung Electro-Mechanics Co., LtdInventors: Hyeon Seok Hwang, Yoo Sam Na, Moon Suk Jeong, Gyu Suck Kim, Byeong Hak Jo
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Publication number: 20120025907Abstract: There is provided a power amplifier capable of supplying variable bias to an amplifier circuit by accurately transferring the envelope components of an input signal during the supply of active bias power to the amplifier circuit. The power amplifier includes: an envelope detector detecting an envelope of an input signal; a bias power generator including at least one P-type MOSFET and one N-type MOSFET connected to each other in an inverter manner between a driving power terminal supplying driving power having a preset voltage level and a reference bias power terminal supplying preset reference bias power to generate bias power varied according to detection results from the envelope detector; and an amplifier amplifying the input signal according to the bias power level from the bias power generator.Type: ApplicationFiled: February 9, 2011Publication date: February 2, 2012Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Bon Hoon KOO, Ki Yong SON, Song Cheol HONG, Gyu Suck KIM, Yoo Sam Na
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Publication number: 20120007674Abstract: There is provided a power amplifier reducing a gain mismatch in order to reduce a gain mismatch between an N MOS amplifier and a P MOS amplifier by cross-connecting outputs from a two-stage amplification unit in a power amplifier having amplification units with a stacked structure in which the N MOS amplifier and the P MOS amplifier are connected in series with each other.Type: ApplicationFiled: February 3, 2011Publication date: January 12, 2012Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Ki Yong SON, Bon Hoon KOO, Song Cheol HONG, Gyu Suck KIM, Yoo Sam NA
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Publication number: 20110304395Abstract: Disclosed is a power amplifier. A power amplifier according to an aspect of the invention may include: a first amplification section having a first N metal oxide semiconductor (MOS) amplifier and a second N MOS amplifier connected in a cascode configuration and amplifying an input signal; a second amplification section having a first P MOS amplifier and a second P MOS amplifier connected in a cascode configuration and amplifying the input signal; and a power combining section combining respective output signals of the first amplification section and the second amplification section.Type: ApplicationFiled: January 14, 2011Publication date: December 15, 2011Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Bon Hoon KOO, Ki Yong SON, Song Cheol HONG, Gyu Suck KIM, Yoo Sam NA
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Publication number: 20110156817Abstract: Disclosed herein is a power amplifier. The power amplifier includes a first common source transistor for amplifying an input signal into a predetermined level, a second common source transistor for compensating for input capacitance and performing auxiliary amplification for the first common source transistor, and a common gate transistor connected to the first common source transistor in a cascode structure, configured to be connected in parallel to the second common source transistor and prevent the first common source transistor from breaking down, and configured to output a signal amplified by a value obtained by adding the gain of the first common source transistor and the gain of the second common source transistor to each other.Type: ApplicationFiled: February 24, 2010Publication date: June 30, 2011Inventors: Hyeon Seok HWANG, Yoo Sam NA, Moon Suk JEONG, Gyu Suck KIM, Byeong Hak JO
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Publication number: 20110133795Abstract: There is provided a digital phase-locked loop. A digital phase-locked loop according to an aspect of the invention may include: a reference phase accumulation unit outputting a reference sampling phase value; a phase detection unit detecting a phase difference signal; a digital loop filter filtering and averaging the phase difference signal from the phase detection unit; a digitally controlled oscillator generating an oscillation signal having a predetermined frequency; a DOC phase accumulation unit outputting the DCO sampling phase value, and generating a plurality of first to n-th D-FFs having the same frequency and different phases delayed in a sequential manner; and first to n-th D-FFs included in a closed loop including the phase detection unit, the digital loop filter, the digitally controlled oscillator, and the DOC phase accumulation unit, and operating according to the plurality of first to n-th clock signals from the DCO phase accumulation unit, respectively.Type: ApplicationFiled: May 28, 2010Publication date: June 9, 2011Applicants: SAMSUNG ELECTRO-MECHANICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Gyu Suck KIM, Seong Hwan CHO, Woo Kon SON
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Publication number: 20100073081Abstract: An integrated tracking filter includes: an amplifying unit having first to third terminals, the first terminal being connected to an input stage and the second terminal being connected to an output stage, and amplifying a signal from the input stage; a loading unit connected between a power source stage and the second terminal of the amplifying unit; a current source connected between the third terminal of the amplifying unit and a ground; and a switched LC filter unit connected between the third terminal of the amplifying unit and the ground and varying a pass band of the signal.Type: ApplicationFiled: February 27, 2009Publication date: March 25, 2010Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Yo Sub MOON, Jeong Ki Choi, Yoo Hwan Kim, Gyu Suck Kim, Kyoung Seok Park
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Patent number: 7679543Abstract: Provided is a current sampling mixer that can be applied to a broadband broadcasting system. The current sampling mixer can change a structure of a current sampler including a plurality of capacitors to select and sum capacitors having a weight value given in the output, thereby performing a finite impulse response filter function and a harmonic rejection function.Type: GrantFiled: August 28, 2008Date of Patent: March 16, 2010Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Kyoung Seok Park, Nam Heung Kim, Gyu Suck Kim
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Publication number: 20090280762Abstract: A mixer includes, an input current generation unit generating an input current; a first path circuit unit including n number of transistors having sources connected in common to an output node of the input current generation unit; and a second path circuit unit including n number of transistors having sources connected in common to the output node of the input current generation unit, and respectively corresponding to the n number of transistors included in the first path circuit unit. Local oscillator signals sequentially phase-shifted by 180°/n are individually input to gates of the n number of transistors included in the first path circuit unit, and local oscillator signals having opposite phases to the local oscillator signals input to the gates of the corresponding transistors included in the first path circuit unit are individually input to gates of the n number of transistors included in the second path circuit unit.Type: ApplicationFiled: October 28, 2008Publication date: November 12, 2009Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Kyoung Seok PARK, Nam Heung KIM, Jeong Ki CHOI, Yo Sub MOON, Gyu Suck KIM, Seung Won SEO, Yoo Hwan KIM
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Publication number: 20090251350Abstract: Provided is a current sampling mixer that can be applied to a broadband broadcasting system. The current sampling mixer can change a structure of a current sampler including a plurality of capacitors to select and sum capacitors having a weight value given in the output, thereby performing a finite impulse response filter function and a harmonic rejection function.Type: ApplicationFiled: August 28, 2008Publication date: October 8, 2009Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Kyoung Seok Park, Nam Heung Kim, Gyu Suck Kim
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Patent number: 7463100Abstract: A phase frequency detector for improving in-band phase noise characteristics of a PLL is disclosed. The phase frequency detector compares a reference frequency with a division frequency created by dividing an output frequency of a voltage controlled oscillator (VCO) by a predetermined division ratio, creates a phase-difference signal corresponding to a phase difference between the reference frequency and the division frequency, and improves noise characteristics.Type: GrantFiled: October 12, 2006Date of Patent: December 9, 2008Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Yoo Hwan Kim, Ki Sung Kwon, Soo Woong Lee, Jin Taek Lee, Yo Sub Moon, Sung Cheol Shin, Gyu Suck Kim
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Publication number: 20070120611Abstract: A phase frequency detector for improving in-band phase noise characteristics of a PLL is disclosed. The phase frequency detector compares a reference frequency with a division frequency created by dividing an output frequency of a voltage controlled oscillator (VCO) by a predetermined division ratio, creates a phase-difference signal corresponding to a phase difference between the reference frequency and the division frequency, and improves noise characteristics.Type: ApplicationFiled: October 12, 2006Publication date: May 31, 2007Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Yoo Hwan KIM, Ki Sung KWON, Soo Woong LEE, Jin Taek LEE, Yo Sub MOON, Sung Cheol SHIN, Gyu Suck KIM