eSketch PRO version 1.5 now fully compatible with Filter Wiz PRO version 4. eSketch PRO is a powerful schematic capture and simulation application specifically designed for the ultra fast rendition and simulation of frequency-shaping analog circuits such as preamplifiers, amplifiers, active filters, passive filters, crossovers, equalizers and tone controls. eSketch is a specialized program for circuits containing capacitors, inductors, resistors and op amps. It does not provide transistors, diodes or other non-linear devices.

The programs simplicity of use and speed of execution provide an "electronic sketching" environment in which the effects of changes in layout, component values, component tolerances and op amp Gain Bandwidth can quickly be determined