*********************************
There is now a CONTENT FREEZE for Mercury while we switch to a new platform. It began on Friday, March 10 at 6pm and will end on Wednesday, March 15 at noon. No new content can be created during this time, but all material in the system as of the beginning of the freeze will be migrated to the new platform, including users and groups. Functionally the new site is identical to the old one. webteam@gatech.edu
*********************************
Title: Broadband Silicon-Germanium Integrated Circuits for Millimeter-Wave Communications Systems
Committee:
Dr. John Cressler ECE, Chair, Advisor
Dr. Farrokh Ayazi, ECE
Dr. Shaolan Li, ECE
Dr. Gregory Durgin, ECE
Dr. Brian Gunter, AE
Abstract: The objective of this research is to investigate new circuit topologies for millimeter-wave and sub-millimeter wave integrated communications systems. To overcome the high free space path loss, emerging applications at millimeter-wave and sub-millimeter wave frequencies are driving the need for highly scalable systems. These systems require sub-circuits to operate power efficiently and with low loss. In addition, for high data rate communications, the circuits must maintain their performance over wide bandwidths. To overcome these strict requirements, we investigated novel circuit topologies uniquely suited to millimeter-wave frequencies for a variety of fundamental building blocks in a millimeter-wave transceiver. The circuits include a highly efficient D-band frequency doubler, a wideband V and W-band transformer-based distributed attenuator, a high power and efficient D-band power amplifier, D-band phase shifter, and D-band SPDT switch.
