60GHz-band on-chip Marchand Balun designed on flat and patterned ground shields for milimeter-wave 0.18μm CMOS technology

Dayang A A Mat, Ramesh Pokharel, R. Sapawi, Haruichi Kanaya, Keiji Yoshida

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Abstract

Milimeter-wave Marchand Balun designed on flat ground and patterned ground shields are presented in this paper. Each of the baluns is designed on top metal (M6) in 0.18μm CMOS technology. In order to achieve sufficient coupling, the balun is stacked on the second highest metal (M5) connected using inter-metal vias. These balun have three port, differential ended port (on top metal) and single ended port (on second highest metal). Patterned ground shield is designed on the ground metal to reduce dielectric substrate loss with strips shield length (SL)=strips shield space(SS)=5μm. The sizes of both designs are 235μm 340μm including pads. It shows that Balun-1 (with flat ground) gave S 11 better than 15dB at 58.02GHz, with ΙS 21Ι and ΙS 31Ι at differential ports, 4.722dB and 5.671dB respectively, while Balun-2 (with pattern ground shields) resulted ΙS 11Ι better than -20dB, with ΙS 21Ι, and ΙS 31Ι of 2.969dB and 4.144dB significantly.

Original languageEnglish
Title of host publicationAsia-Pacific Microwave Conference Proceedings, APMC 2011
Pages884-887
Number of pages4
Publication statusPublished - 2011
EventAsia-Pacific Microwave Conference, APMC 2011 - Melbourne, VIC, Australia
Duration: Dec 5 2011Dec 8 2011

Other

OtherAsia-Pacific Microwave Conference, APMC 2011
CountryAustralia
CityMelbourne, VIC
Period12/5/1112/8/11

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Metals
Substrates

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

Mat, D. A. A., Pokharel, R., Sapawi, R., Kanaya, H., & Yoshida, K. (2011). 60GHz-band on-chip Marchand Balun designed on flat and patterned ground shields for milimeter-wave 0.18μm CMOS technology. In Asia-Pacific Microwave Conference Proceedings, APMC 2011 (pp. 884-887). [6173893]

60GHz-band on-chip Marchand Balun designed on flat and patterned ground shields for milimeter-wave 0.18μm CMOS technology. / Mat, Dayang A A; Pokharel, Ramesh; Sapawi, R.; Kanaya, Haruichi; Yoshida, Keiji.

Asia-Pacific Microwave Conference Proceedings, APMC 2011. 2011. p. 884-887 6173893.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Mat, DAA, Pokharel, R, Sapawi, R, Kanaya, H & Yoshida, K 2011, 60GHz-band on-chip Marchand Balun designed on flat and patterned ground shields for milimeter-wave 0.18μm CMOS technology. in Asia-Pacific Microwave Conference Proceedings, APMC 2011., 6173893, pp. 884-887, Asia-Pacific Microwave Conference, APMC 2011, Melbourne, VIC, Australia, 12/5/11.
Mat DAA, Pokharel R, Sapawi R, Kanaya H, Yoshida K. 60GHz-band on-chip Marchand Balun designed on flat and patterned ground shields for milimeter-wave 0.18μm CMOS technology. In Asia-Pacific Microwave Conference Proceedings, APMC 2011. 2011. p. 884-887. 6173893
Mat, Dayang A A ; Pokharel, Ramesh ; Sapawi, R. ; Kanaya, Haruichi ; Yoshida, Keiji. / 60GHz-band on-chip Marchand Balun designed on flat and patterned ground shields for milimeter-wave 0.18μm CMOS technology. Asia-Pacific Microwave Conference Proceedings, APMC 2011. 2011. pp. 884-887
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