Analog EDA vendors work to close the gap with digital tools.

Focuses on the efforts of the Institute of Electrical and Electronics Engineers (IEEE) and the Open Verilog International (OVI) committee to develop analog extensions to VHDL and Verilog. Verilog-A's use of a probe/source model; Difficulty involved in simulating complex circuits in the early stages of the design process; Features of available analog simulators. INSET: Postscript..