Generation of second and fourth harmonic signals using a balanced colpitts oscillator with a patch antenna

Eunyoung Seok, Dongha Shim, Daniel J. Arenas, David B. Tanner, Kenneth K. O

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

A Colpitts oscillator that generates signal at 589 GHz using both phase superposition and nonlinearities of components is demonstrated in a 0.12 μm SiGe BiCMOS process. This approach increases the ratio between fourth and second order harmonic power levels by more than 2 dB compared to that obtained using only linear phase superposition. The output power of this circuit with the highest operating frequency for transistor based signal generators is -37.7 dBm.

Original languageEnglish
Article number5559335
Pages (from-to)554-556
Number of pages3
JournalIEEE Microwave and Wireless Components Letters
Volume20
Issue number10
DOIs
StatePublished - Oct 2010

Keywords

  • Colpitts oscillator
  • on-chip patch antenna
  • SiGe

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