The HP 86140/42/43/45A are a family of grating-based optical spectrum analyzers that operate over a 600 to 1700 nm wavelength range. The OSA family uses a patented double-pass monochromator design to achieve high sensitivity and dynamic range with exceptional sweep time. 3D Interconnect Designer provides a flexible modeling and optimization environment for any advanced interconnect structure, including chiplets, stacked die, packages, and PCBs. Emulate. The HP 86140A Series USER is a precision electronic test equipment designed for advanced signal analysis and measurement tasks.