Keithley Instruments is offering a free applications guide "I-V Testing for Components and Semiconductor Devices" to aid engineers with critical current and voltage measurements. The applications guide contains 11 application notes on topics ranging from multipin integrated-circuit (IC) testing to DC characterization of RF transistors. For a free copy of the application guide, call Keithley at (800) 492-1955 or visit the link at www.keithley.com/dm/075