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...more