TY - GEN
T1 - Negative group delay circuit with independently tunable center frequency and group delay
AU - Jeong, Junhyung
AU - Mok, Kolet
AU - Kim, Jeayeon
AU - Jeong, Yongchae
AU - Lim, Jongsik
PY - 2013
Y1 - 2013
N2 - In this paper, a design of negative group delay circuit (NGDC) with independently tunable center frequency and group delay (GD) is presented. Since the proposed structure consists of a parallel RLC resonance circuit, it is possible to obtain a variable negative GD by using a variable resistor and an adjustment of center frequency of GD is possible due to a variable inductor. To get the pure variable resistor, the transmission line (TL) terminated with the PIN diode is used. Similarly, the variable inductor is realized by TL terminated with the varactor diode. To show the effectiveness of the proposed NGDC, it is designed at 2.14 GHz of WCDMA downlink band. The measured negative GD time is -2 ∼ -20ns, and are able to change the center frequencies of negative GD in the range of 2.04 ∼ 2.24 GHz.
AB - In this paper, a design of negative group delay circuit (NGDC) with independently tunable center frequency and group delay (GD) is presented. Since the proposed structure consists of a parallel RLC resonance circuit, it is possible to obtain a variable negative GD by using a variable resistor and an adjustment of center frequency of GD is possible due to a variable inductor. To get the pure variable resistor, the transmission line (TL) terminated with the PIN diode is used. Similarly, the variable inductor is realized by TL terminated with the varactor diode. To show the effectiveness of the proposed NGDC, it is designed at 2.14 GHz of WCDMA downlink band. The measured negative GD time is -2 ∼ -20ns, and are able to change the center frequencies of negative GD in the range of 2.04 ∼ 2.24 GHz.
KW - negative group delay circuit
KW - PIN diode
KW - tunable center frequency
KW - varactor diode
UR - https://www.scopus.com/pages/publications/84893404688
U2 - 10.1109/APMC.2013.6695092
DO - 10.1109/APMC.2013.6695092
M3 - Conference paper
AN - SCOPUS:84893404688
SN - 9781479914746
T3 - Asia-Pacific Microwave Conference Proceedings, APMC
SP - 197
EP - 199
BT - 2013 Asia-Pacific Microwave Conference Proceedings, APMC 2013
T2 - 2013 3rd Asia-Pacific Microwave Conference, APMC 2013
Y2 - 5 November 2013 through 8 November 2013
ER -