A free application note from Agilent Technologies, "Selecting the Right Switch Technology for Your Application," simplifies the job of finding a solid-state switch for measurement applications. The 12-page note reviews the key performance specifications and features of diode, FET, and hybrid type solid-state switches, with quick comparisons to slower electromechanical switch types. A free copy of the application note can be downloaded from the link below:

http://cp.literature.agilent.com/litweb/pdf/5989-5189EN.pdf