VHDL-AMS Extensions Enable RF Harmonic Balance Simulation

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  • Author: Mark Rencher
VHDL-AMS/FD is the extension lan-guage that sup-ports harmonic balance simulation for frequency domain analysis. This fre-quency domain (FD) lan-guage extension provides the RF designer the capa-bility to describe a wireless system from archi-tecture to transistors. The use of harmonic balance overcomes both of the limitations found in the shooting or SpectreRF approach-es. Neither different time constants nor com-plex frequency-dependent passive components impact the technique’s ability to accurately solve circuit equations and provide meaning-ful results.