Active Antenna Oscillator Array

by Lin, Yuanzhi

Abstract (Summary)
In an active antenna, the active circuit is coupled directly to the passive circuit which acts as both the load and the radiation elements without any interconnects, including filters, resonators, energy transmission lines and etc. As a result, the system size can be significantly reduced. This technique is rather attractive in the portable communication systems, such as cell phones, GPS and etc. In this thesis, the active antenna oscillator is chosen as the research topic for an investigation of the theory of active antenna. A series of active antenna chipsets are designed, fabricated and tested. Thereafter, the active antenna array is made of units by using the quasi-optical power combining techniques and the significant improvement of performances is achieved. Along this line, the theory of active antennas has been investigated.
Bibliographical Information:


School:University of Cincinnati

School Location:USA - Ohio

Source Type:Master's Thesis

Keywords:active antenna oscillator bjt pcb rf


Date of Publication:01/01/2009

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