Harmonic reduction amplifier using λ/4 high impedance bias line with defected ground structure (DGS)

Si Gyun Jeong; Do Kyeong Hwang; Young Pil Kwon; Yong Chae Jeong; Chul Dong Kim

doi:10.1109/EUMA.2002.339284

Harmonic reduction amplifier using λ/4 high impedance bias line with defected ground structure (DGS)

Si Gyun Jeong
, Do Kyeong Hwang
, Young Pil Kwon
, Yong Chae Jeong
, Chul Dong Kim

Division of Electronic Engineering

Research output: Conference(x) › Paper › peer-review

Abstract

In this paper, a new defected ground structure (DGS) λ/4 bias line that dumbbell-shaped ground pattern is etched on ground plane of microstrip line is proposed. This DGS λ/4 bias line maintains high impedance, but physical width is wider and length is shorter than that of the conventional bias line. If the proposed bias line is attached on signal transmission line, this bias line can reduces the 3^rd harmonic signal as well as the 2 ^nd harmonic signal. With harmonic reduction characteristics, efficiency and linearity of amplifier are improved. When the proposed bias line is adopted in power amplifier on IMT-2000 basestation transmitting band, the 3^rd harmonic signal is reduced about 26.5dB and efficiency is improved about 9.1% and IMD3 is improved 4.5dB than the conventional structure.

Original language	English
DOIs	https://doi.org/10.1109/EUMA.2002.339284
State	Published - 2002
Event	2002 32nd European Microwave Conference, EuMC 2002 - Milan, Italy Duration: 2002.09.23 → 2002.09.26

Conference

Conference	2002 32nd European Microwave Conference, EuMC 2002
Country/Territory	Italy
City	Milan
Period	02.09.23 → 02.09.26

Quacquarelli Symonds(QS) Subject Topics

Computer Science & Information Systems
Engineering - Electrical & Electronic
Engineering - Petroleum

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10.1109/EUMA.2002.339284

Cite this

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title = "Harmonic reduction amplifier using λ/4 high impedance bias line with defected ground structure (DGS)",

abstract = "In this paper, a new defected ground structure (DGS) λ/4 bias line that dumbbell-shaped ground pattern is etched on ground plane of microstrip line is proposed. This DGS λ/4 bias line maintains high impedance, but physical width is wider and length is shorter than that of the conventional bias line. If the proposed bias line is attached on signal transmission line, this bias line can reduces the 3rd harmonic signal as well as the 2 nd harmonic signal. With harmonic reduction characteristics, efficiency and linearity of amplifier are improved. When the proposed bias line is adopted in power amplifier on IMT-2000 basestation transmitting band, the 3rd harmonic signal is reduced about 26.5dB and efficiency is improved about 9.1\% and IMD3 is improved 4.5dB than the conventional structure.",

author = "Jeong, \{Si Gyun\} and Hwang, \{Do Kyeong\} and Kwon, \{Young Pil\} and Jeong, \{Yong Chae\} and Kim, \{Chul Dong\}",

year = "2002",

doi = "10.1109/EUMA.2002.339284",

language = "English",

note = "2002 32nd European Microwave Conference, EuMC 2002 ; Conference date: 23-09-2002 Through 26-09-2002",

}

TY - CONF

T1 - Harmonic reduction amplifier using λ/4 high impedance bias line with defected ground structure (DGS)

AU - Jeong, Si Gyun

AU - Hwang, Do Kyeong

AU - Kwon, Young Pil

AU - Jeong, Yong Chae

AU - Kim, Chul Dong

PY - 2002

Y1 - 2002

N2 - In this paper, a new defected ground structure (DGS) λ/4 bias line that dumbbell-shaped ground pattern is etched on ground plane of microstrip line is proposed. This DGS λ/4 bias line maintains high impedance, but physical width is wider and length is shorter than that of the conventional bias line. If the proposed bias line is attached on signal transmission line, this bias line can reduces the 3rd harmonic signal as well as the 2 nd harmonic signal. With harmonic reduction characteristics, efficiency and linearity of amplifier are improved. When the proposed bias line is adopted in power amplifier on IMT-2000 basestation transmitting band, the 3rd harmonic signal is reduced about 26.5dB and efficiency is improved about 9.1% and IMD3 is improved 4.5dB than the conventional structure.

AB - In this paper, a new defected ground structure (DGS) λ/4 bias line that dumbbell-shaped ground pattern is etched on ground plane of microstrip line is proposed. This DGS λ/4 bias line maintains high impedance, but physical width is wider and length is shorter than that of the conventional bias line. If the proposed bias line is attached on signal transmission line, this bias line can reduces the 3rd harmonic signal as well as the 2 nd harmonic signal. With harmonic reduction characteristics, efficiency and linearity of amplifier are improved. When the proposed bias line is adopted in power amplifier on IMT-2000 basestation transmitting band, the 3rd harmonic signal is reduced about 26.5dB and efficiency is improved about 9.1% and IMD3 is improved 4.5dB than the conventional structure.

UR - https://www.scopus.com/pages/publications/84897565527

U2 - 10.1109/EUMA.2002.339284

DO - 10.1109/EUMA.2002.339284

M3 - Paper

AN - SCOPUS:84897565527

T2 - 2002 32nd European Microwave Conference, EuMC 2002

Y2 - 23 September 2002 through 26 September 2002

ER -

Harmonic reduction amplifier using λ/4 high impedance bias line with defected ground structure (DGS)

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Quacquarelli Symonds(QS) Subject Topics

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