A Tunable Series Negative Capacitor Using Distributed Amplifier-Based Reconfigurable Negative Group Delay Circuit

Minning Zhu; Chung Tse Michael Wu

doi:10.23919/EuMC.2018.8541404

A Tunable Series Negative Capacitor Using Distributed Amplifier-Based Reconfigurable Negative Group Delay Circuit

Minning Zhu, Chung Tse Michael Wu

School of Engineering, Electrical & Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

11 Scopus citations

Abstract

A novel tunable non-Foster negative capacitor with unconditional stability using a two-stage microwave distributed amplifier (DA) based negative group delay (NGD) is presented. The tuning mechanism is realized by changing both the transistor's transconductance and input/output phase responses. To achieve this, the transistors placed at each stage of the DA are tuned separately, and two identical varactors placed at the input port and output port are tuned by one single voltage. As proof-of-concept, a prototype of the proposed DA-NGD circuit based tunable negative capacitor is built and tested. The measurement results show that, the negative capacitor can be successfully tuned between -0.5 pF to -1.0 pF.

Original language	English (US)
Title of host publication	2018 48th European Microwave Conference, EuMC 2018
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	616-619
Number of pages	4
ISBN (Electronic)	9782874870514
DOIs	https://doi.org/10.23919/EuMC.2018.8541404
State	Published - Nov 20 2018
Event	48th European Microwave Conference, EuMC 2018 - Madrid, Spain Duration: Sep 25 2018 → Sep 27 2018

Publication series

Name	2018 48th European Microwave Conference, EuMC 2018

Other

Other	48th European Microwave Conference, EuMC 2018
Country/Territory	Spain
City	Madrid
Period	9/25/18 → 9/27/18

All Science Journal Classification (ASJC) codes

Computer Networks and Communications
Instrumentation
Radiation

Keywords

Distributed amplifier (DA)
negative group delay
non-Foster element
tunable negative capacitance

Access to Document

10.23919/EuMC.2018.8541404

Cite this

Zhu, M., & Wu, C. T. M. (2018). A Tunable Series Negative Capacitor Using Distributed Amplifier-Based Reconfigurable Negative Group Delay Circuit. In 2018 48th European Microwave Conference, EuMC 2018 (pp. 616-619). Article 8541404 (2018 48th European Microwave Conference, EuMC 2018). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.23919/EuMC.2018.8541404

@inproceedings{0f128f0e86c447f7ba7fe42ce52a0d68,

title = "A Tunable Series Negative Capacitor Using Distributed Amplifier-Based Reconfigurable Negative Group Delay Circuit",

abstract = "A novel tunable non-Foster negative capacitor with unconditional stability using a two-stage microwave distributed amplifier (DA) based negative group delay (NGD) is presented. The tuning mechanism is realized by changing both the transistor's transconductance and input/output phase responses. To achieve this, the transistors placed at each stage of the DA are tuned separately, and two identical varactors placed at the input port and output port are tuned by one single voltage. As proof-of-concept, a prototype of the proposed DA-NGD circuit based tunable negative capacitor is built and tested. The measurement results show that, the negative capacitor can be successfully tuned between -0.5 pF to -1.0 pF.",

keywords = "Distributed amplifier (DA), negative group delay, non-Foster element, tunable negative capacitance",

author = "Minning Zhu and Wu, {Chung Tse Michael}",

note = "Publisher Copyright: {\textcopyright} 2018 European Microwave Association.; 48th European Microwave Conference, EuMC 2018 ; Conference date: 25-09-2018 Through 27-09-2018",

year = "2018",

month = nov,

day = "20",

doi = "10.23919/EuMC.2018.8541404",

language = "English (US)",

series = "2018 48th European Microwave Conference, EuMC 2018",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

pages = "616--619",

booktitle = "2018 48th European Microwave Conference, EuMC 2018",

address = "United States",

}

Zhu, M & Wu, CTM 2018, A Tunable Series Negative Capacitor Using Distributed Amplifier-Based Reconfigurable Negative Group Delay Circuit. in 2018 48th European Microwave Conference, EuMC 2018., 8541404, 2018 48th European Microwave Conference, EuMC 2018, Institute of Electrical and Electronics Engineers Inc., pp. 616-619, 48th European Microwave Conference, EuMC 2018, Madrid, Spain, 9/25/18. https://doi.org/10.23919/EuMC.2018.8541404

A Tunable Series Negative Capacitor Using Distributed Amplifier-Based Reconfigurable Negative Group Delay Circuit. / Zhu, Minning; Wu, Chung Tse Michael.
2018 48th European Microwave Conference, EuMC 2018. Institute of Electrical and Electronics Engineers Inc., 2018. p. 616-619 8541404 (2018 48th European Microwave Conference, EuMC 2018).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

TY - GEN

T1 - A Tunable Series Negative Capacitor Using Distributed Amplifier-Based Reconfigurable Negative Group Delay Circuit

AU - Zhu, Minning

AU - Wu, Chung Tse Michael

PY - 2018/11/20

Y1 - 2018/11/20

N2 - A novel tunable non-Foster negative capacitor with unconditional stability using a two-stage microwave distributed amplifier (DA) based negative group delay (NGD) is presented. The tuning mechanism is realized by changing both the transistor's transconductance and input/output phase responses. To achieve this, the transistors placed at each stage of the DA are tuned separately, and two identical varactors placed at the input port and output port are tuned by one single voltage. As proof-of-concept, a prototype of the proposed DA-NGD circuit based tunable negative capacitor is built and tested. The measurement results show that, the negative capacitor can be successfully tuned between -0.5 pF to -1.0 pF.

AB - A novel tunable non-Foster negative capacitor with unconditional stability using a two-stage microwave distributed amplifier (DA) based negative group delay (NGD) is presented. The tuning mechanism is realized by changing both the transistor's transconductance and input/output phase responses. To achieve this, the transistors placed at each stage of the DA are tuned separately, and two identical varactors placed at the input port and output port are tuned by one single voltage. As proof-of-concept, a prototype of the proposed DA-NGD circuit based tunable negative capacitor is built and tested. The measurement results show that, the negative capacitor can be successfully tuned between -0.5 pF to -1.0 pF.

KW - Distributed amplifier (DA)

KW - negative group delay

KW - non-Foster element

KW - tunable negative capacitance

UR - http://www.scopus.com/inward/record.url?scp=85059800274&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85059800274&partnerID=8YFLogxK

U2 - 10.23919/EuMC.2018.8541404

DO - 10.23919/EuMC.2018.8541404

M3 - Conference contribution

AN - SCOPUS:85059800274

T3 - 2018 48th European Microwave Conference, EuMC 2018

SP - 616

EP - 619

BT - 2018 48th European Microwave Conference, EuMC 2018

PB - Institute of Electrical and Electronics Engineers Inc.

T2 - 48th European Microwave Conference, EuMC 2018

Y2 - 25 September 2018 through 27 September 2018

ER -

A Tunable Series Negative Capacitor Using Distributed Amplifier-Based Reconfigurable Negative Group Delay Circuit

Abstract

Publication series

Other

All Science Journal Classification (ASJC) codes

Keywords

Access to Document

Other files and links

Fingerprint

Cite this