Three-dimensional radio-frequency transformers based on a self-rolled-up membrane platform /639/166/987 /639/925/927/1007 article

Wen Huang, Jingchao Zhou, Paul J. Froeter, Kathy Walsh, Siyu Liu, Mark D. Kraman, Moyang Li, Julian A. Michaels, Dane J. Sievers, Songbin Gong, Xiuling Li

Research output: Contribution to journalArticle

Abstract

Radio-frequency (RF) integrated circuits are used for wireless communications and require transformers capable of transferring electrical energy at RF/microwave frequencies. Traditional on-chip RF transformer designs have complex fabrication schemes and offer limited performance scalability. Here we report on-chip RF/microwave transformers that are based on a self-rolled-up membrane platform. The monolithic nature and versatility of this platform allows us to create high-performance transformers while maintaining an ultra-compact device footprint and by using only planar processing. We also show that the performance of the three-dimensional RF transformers improves with scaling, which is in contrast to conventional planar designs. In particular, we observe a continuous rate of increase in the index of performance of our RF transformers as we scale up the turns ratio. This behaviour is attributed to the almost ideal mutual magnetic coupling inherent to the self-rolled-up membrane three-dimensional architecture.

Original languageEnglish (US)
Pages (from-to)305-313
Number of pages9
JournalNature Electronics
Volume1
Issue number5
DOIs
StatePublished - May 1 2018

Fingerprint

transformers
radio frequencies
platforms
membranes
Membranes
Microwave frequencies
chips
wireless communication
Magnetic couplings
footprints
versatility
electric power
microwave frequencies
integrated circuits
Integrated circuits
Scalability
scaling
microwaves
fabrication
Fabrication

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Electrical and Electronic Engineering

Cite this

Three-dimensional radio-frequency transformers based on a self-rolled-up membrane platform /639/166/987 /639/925/927/1007 article. / Huang, Wen; Zhou, Jingchao; Froeter, Paul J.; Walsh, Kathy; Liu, Siyu; Kraman, Mark D.; Li, Moyang; Michaels, Julian A.; Sievers, Dane J.; Gong, Songbin; Li, Xiuling.

In: Nature Electronics, Vol. 1, No. 5, 01.05.2018, p. 305-313.

Research output: Contribution to journalArticle

Huang, Wen ; Zhou, Jingchao ; Froeter, Paul J. ; Walsh, Kathy ; Liu, Siyu ; Kraman, Mark D. ; Li, Moyang ; Michaels, Julian A. ; Sievers, Dane J. ; Gong, Songbin ; Li, Xiuling. / Three-dimensional radio-frequency transformers based on a self-rolled-up membrane platform /639/166/987 /639/925/927/1007 article. In: Nature Electronics. 2018 ; Vol. 1, No. 5. pp. 305-313.
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