World's Best Scientists 2026 revealed!
Ramachandra Achar

Ramachandra Achar

D-Index & Metrics

Electronics and Electrical Engineering

D-Index
34
Citations
5063
World Ranking
5786
National Ranking
256

Research.com Recognitions

  • 2013 - IEEE Fellow For contributions to interconnect and signal integrity analysis in high-speed designs

Best Publications

  • Simulation of high-speed interconnects

    R. Achar;M.S. Nakhla

  • Stability, Causality, and Passivity in Electrical Interconnect Models

    P. Triverio;S. Grivet-Talocia;M.S. Nakhla;F.G. Canavero

  • A fast algorithm and practical considerations for passive macromodeling of measured/simulated data

    D. Saraswat;R. Achar;M.S. Nakhla

  • Global passivity enforcement algorithm for macromodels of interconnect subnetworks characterized by tabulated data

    D. Saraswat;R. Achar;M.S. Nakhla

  • A general class of passive macromodels for lossy multiconductor transmission lines

    A. Dounavis;R. Achar;M. Nakhla

  • DEPACT: delay extraction-based passive compact transmission-line macromodeling algorithm

    N.M. Nakhla;A. Dounavis;R. Achar;M.S. Nakhla

  • Efficient passive circuit models for distributed networks with frequency-dependent parameters

    A. Dounavis;R. Achar;M.S. Nakhla

  • Passive closed-form transmission-line model for general-purpose circuit simulators

    A. Dounavis;Xin Li;M.S. Nakhla;R. Achar

  • Passive interconnect reduction algorithm for distributed/measured networks

    R. Achar;P.K. Gunupudi;M. Nakhla;E. Chiprout

  • Simulation of coupled interconnects using waveform relaxation and transverse partitioning

    N.M. Nakhla;A.E. Ruehli;M.S. Nakhla;R. Achar

  • Simultaneous time and frequency domain solutions of EM problems using finite element and CFH techniques

    M.A. Kolbehdari;M. Srinivasan;M.S. Nakhla;Qi-Jun Zhang

  • Circuit analysis of electromagnetic radiation and field coupling effects for networks with embedded full-wave modules

    I. Erdin;M.S. Nakhla;R. Achar

  • Generalized Hermite Polynomial Chaos for Variability Analysis of Macromodels Embeddedin Nonlinear Circuits

    Mehrdad Rahimzadeh Rufuie;Emad Gad;Michel Nakhla;Ramachandra Achar

  • Decoupled Polynomial Chaos and Its Applications to Statistical Analysis of High-Speed Interconnects

    Tuan-Anh Pham;Emad Gad;Michel S. Nakhla;Ramachandra Achar

  • Enforcing passivity for rational function based macromodels of tabulated data

    D. Saraswat;R. Achar;M. Nakhla

  • Passive model reduction of multiport distributed interconnects

    A. Dounavis;E. Gad;R. Achar;M.S. Nakhla

  • A SPICE model for incident field coupling to lossy multiconductor transmission lines

    I. Erdin;A. Dounavis;R. Achar;M.S. Nakhla

  • Fast transient analysis of incident field coupling to multiconductor transmission lines

    G.S. Shinh;N.M. Nakhla;R. Achar;M.S. Nakhla

  • Fast Passivity Verification and Enforcement via Reciprocal Systems for Interconnects With Large Order Macromodels

    D. Saraswat;R. Achar;M.S. Nakhla

  • Efficient transient simulation of embedded subnetworks characterized by S-parameters in the presence of nonlinear elements

    R. Achar;M.S. Nakhla

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