A Cascaded Self-Similar Rat-Race Hybrid Coupler Architecture and its Compact Ka-Band Implementation

Abstract

We present a cascaded rat-race coupler architecture that performs broadband in-phase and differential signal generation while maintaining a very compact passive structure size. A proof-of-concept 24-42GHz 2nd order cascaded rat-race coupler is implemented in the Global foundries 45nm CMOS SOI process. Based on 3Dfull-wave electromagnetic (EM) modeling and simulations, the cascaded rat-race design achieves a less-than 5 phase error, less-than 1dB magnitude mismatch, an average insertion loss of only 2.5dB, and better-than -10dB input matching across the entire Ka-band.

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 2017
Accession Number
AD1041847

Entities

People

  • Edgar F. Garay
  • Hua Wang
  • Min-Yu Huang

Organizations

  • Georgia Tech

Tags

Communities of Interest

  • Advanced Electronics
  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • 5G Wireless Networks
  • Amplitude
  • Bandwidth
  • Beam Steering
  • Circuits
  • Communication Systems
  • Energy Efficiency
  • Equations
  • Frequency
  • Frequency Bands
  • Inductors
  • Insertion Loss
  • Ka Band
  • Networks
  • Simulations
  • Three Dimensional
  • Wireless Communications

Fields of Study

  • Physics

Readers

  • Integrated Circuit Design and Technology.
  • Microwave Engineering.