As a world leader in test, measurement and monitoring, Tektronix enables innovation in all its forms. A leading company in the market of oscilloscopes and Logic Analyzers. Keithley Instruments, who is now a part of Tektronix, designs, develops, manufactures and markets complex electronic instruments and systems for high-performance production testing, process monitoring, product development and research. It provides also DC and RF applications. www.tek.com