Process variations and model inaccuracies, as well as other sources of performance degradation, such as environmental variations, critically impact high-power design in nanometer-scale technologies, and reduce the yields of design. Self-healing is a method that can mitigate these issues by identifying any degradation and modifying the circuit to improve its performance post fabrication .
The aim of this research is design of a self healing PA that can have required performance under different process and environmental variations with minimum overhead in terms of area, power and connectivity to the outside.
 Bowers, S.M.; Sengupta, K.; Dasgupta, K.; Parker, B.D.; Hajimiri, A., "Integrated Self-Healing for mm-Wave Power Amplifiers," Microwave Theory and Techniques, IEEE Transactions on , vol.61, no.3, pp.1301,1315, March 2013 doi: 10.1109/TMTT.2013.2243750