300-GHz InP HBT oscillators based on common-base cross-coupled topology

Jongwon Yun, Daekeun Yoon, Hyunchul Kim, Jae-Sung Rieh

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Two fundamental-mode oscillators operating around 300 GHz, a fixed-frequency oscillator and a voltage-controlled oscillator (VCO), have been developed in this work based on a 250-nm InP heterojunction bipolar transistor (HBT) technology. Both oscillators adopted the common-base configuration for the cross-coupled oscillator core, providing higher oscillation frequency compared to the conventional common-emitter cross-coupled topology. The fabricated fixed-frequency oscillator and the VCO exhibited oscillation frequency of 305.8 GHz and 298.1-316.1 GHz (18-GHz tuning range) at dc power dissipation of 87.4 and 88.1 mW, respectively. The phase noise of the fixed-frequency oscillator was measured to be -116.5~\hbox {dBc/Hz} at 10 MHz offset. The peak output power of 5.3 dBm (3.8% dc-to-RF efficiency) and 4.7 dBm (3.2% dc-to-RF efficiency) were respectively achieved for the two oscillators, which are the highest reported power for a transistor-based single oscillator beyond 200 GHz.

Original languageEnglish
Article number6949166
Pages (from-to)3053-3064
Number of pages12
JournalIEEE Transactions on Microwave Theory and Techniques
Volume62
Issue number12
DOIs
Publication statusPublished - 2014 Dec 1

Fingerprint

Heterojunction bipolar transistors
bipolar transistors
heterojunctions
topology
Variable frequency oscillators
oscillators
Topology
Phase noise
voltage controlled oscillators
Energy dissipation
Transistors
Tuning
oscillations
emitters
transistors
dissipation
tuning
output
configurations

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics
  • Radiation

Cite this

300-GHz InP HBT oscillators based on common-base cross-coupled topology. / Yun, Jongwon; Yoon, Daekeun; Kim, Hyunchul; Rieh, Jae-Sung.

In: IEEE Transactions on Microwave Theory and Techniques, Vol. 62, No. 12, 6949166, 01.12.2014, p. 3053-3064.

Research output: Contribution to journalArticle

Yun, Jongwon ; Yoon, Daekeun ; Kim, Hyunchul ; Rieh, Jae-Sung. / 300-GHz InP HBT oscillators based on common-base cross-coupled topology. In: IEEE Transactions on Microwave Theory and Techniques. 2014 ; Vol. 62, No. 12. pp. 3053-3064.
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