Ram Achar

Research

Signal and power integrity; circuit modeling, simulation and optimization; high-speed interconnects; parallel algorithms; model-reduction techniques; CAD for RF, MEMS, wireless and optoelectronic applications; EMC/EMI; mixed-signal analysis; nonlinear circuit analysis/modeling.

Application

Modern CAD tools to accelerate high-speed electronic product design.

Activities

• Distinguished Lecturer (DLP), Circuits and Systems Society (2011-2013)
• Guest Editor of IEEE – CPMT Transactions (2011)
• General Co-Chair for EPEPS-2010, Austin and EPEPS-2011, San Jose
• Chair of Joint Chapters of Circuits and Systems Society (CAS) – Electronic Devices Society (EDS), Solid State Circuits Society (SSC) of IEEE Ottawa Section
• Steering Committee Member of IEEE International Conference on Electrical Performance of Electronic Packages (EPEPS) IEEE International Conference on Electrical Design of Advanced Packages (EDAPS)
• Technical Program Committee Member of IEEE International Conferences: EPEPS, EDAPS, SPI
• Technical Committee Member of Electrical Design, Modeling & Simulation (TC-EDMS- TC-12)
• Senior Member of IEEE; IEEE MTT, CAS, EDS, SSC and EMC societies

Journal Articles

G. Shinh, R. Achar, N. Nakhla, M. Nakhla, and I. Erdin (2006), “A Simplified Time-Domain Macromodel for Incident Field Coupling to MTLs,” IEEE Transactions on Electromagnetic Compatibility (publication pending).

D. Saraswat, R. Achar, and M. Nakhla (2006), “Passivity Enforcement via Reciprocal Systems for Interconnects with Large Order Macromodels,” IEEE Transactions on Very Large Scale Integration (publication pending).

E. Gad, C. Chen, M. Nakhla, and R. Achar (2006), “Passivity Verification in Delay-Based Macromodels of Multiconductor Electrical Interconnects,” IEEE Transactions on Advanced Packaging (publication pending).

P. Pai, E. Gad, R. Achar, R. Khazaka, and M. Nakhla (2006), “A Projection-Based Reduction Approach to Computing Sensitivity of Steady-State Response of Nonlinear Circuits,” INFORMS Journal on Computing: Steady-State Respons (publication pending).

N. Nakhla, A. Ruehli, M. Nakhla, and R. Achar (2005), “Simulation of Coupled Interconnects Using Waveform Relaxation and Transverse Partitioning,” IEEE Transactions on Advanced Packaging (publication pending).

D. Saraswat, R. Achar, and M. Nakhla (2005), “Passivity Restoration Algorithm for S-parameter Data of Microwave Subnetworks,” IEEE Microwave and Wireless Components Letters (publication pending).

D. Saraswat, R. Achar, and M. Nakhla (2004), “On Fast Compact Passive Macromodeling of High-Frequency Circuits and Interconnect Networks,” IEEE Transactions on Circuits and Systems (publication pending).