From Keithley Instruments Inc., the “2005 Test and Measurement Products Catalog” offers details and specifications on its equipment for data acquisition, switching and control, RF/microwave switching and measurement, and low-level measurements and sourcing. Power supplies, digital multimeters, source and measure items, and optoelectronic and semiconductor test equipment also are presented. Among the new products highlighted are the model 2800 RF power analyzer with GSM option and the 2182A nanovoltmeter for making low-noise measurements at high speeds. Each section of the catalog, which is arranged by product type and application area, contains a tutorial on test system design and use.