Apparatus and method for amplifying power in transmission device

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United States of America Patent

PATENT NO 11979119
APP PUB NO 20210218376A1
SERIAL NO

17250748

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Abstract

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Disclosed is a 5G (5th generation) or pre-5G communication system for supporting a data transmission rate higher than that of a 4G (4th generation) communication system such as long-term evolution (LTE). A transmission device comprises: a first amplification unit having a common source structure, including cross coupled capacitors, and amplifying an input signal; a second amplification unit, having a common gate structure, for amplifying a signal output from the first amplification unit; and a first removal unit which is connected to output terminals of the first amplification unit and input terminals of the second amplification unit and which removes at least one portion of second harmonics. The first removal unit can offset, with respect to a fundamental frequency, at least some of parasitic capacitance generated from the output terminals of the first amplification unit and the input terminals of the second amplification unit, and can ground a signal having a secondary harmonic frequency with respect to the secondary harmonic frequency.

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Patent Owner(s)

Patent OwnerAddress
SAMSUNG ELECTRONICS CO LTDGYEONGGI DO SOUTH KOREA GYEONGGI-DO

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cho, Yunsung Suwon-si, KR 7 20
Kang, Daehyun Suwon-si, KR 11 21
Lee, Jeongho Suwon-si, KR 133 639
Park, Byungjoon Suwon-si, KR 16 28
Park, Hyunchul Suwon-si, KR 62 483
Son, Juho Suwon-si, KR 19 37
Yang, Sunggi Suwon-si, KR 7 3

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