Archives – Page 3 – Cal Lab Magazine

Measuring Receiver Creates Benchmark for RF Power and Modulation Measurements

October 27, 2020 Office

by William M. Kilpatrick Volume 11:3, Jul-Sep 2004 When Hewlett-Packard introduced the HP 8902A measuring receiver in 1981, IBM had just announced the personal computer, the World Wide Web was just a glimmer in the […]

Meeting ISO 17025 for Complex Electronic Equipment

October 27, 2020 Office

by Dave Abell and Jon Moens Volume 9:4, Oct-Dec 2002 Calculating measurement uncertainties for a single parameter such as DC voltage is relatively straightforward, but to do so for a complex microwave spectrum analyzer that […]

Sources of Uncertainty in Standard Resistors

October 27, 2020 Office

by Jeff Gust Volume 7:5, Sep-Oct 2000 As metrologists are acutely aware, when one transfers a measured value such as resistance, they also transfer a measurement uncertainty that is associated with the calibration of the […]

Setting New Standards for DC Voltage Maintenance Systems

October 27, 2020 Office

by Peter B. Crisp Volume 6:5, Sep-Oct 1999 Many organizations rely on 10V DC standards as their primary DC reference. However, the routine maintenance of such devices is not only labor intensive, but requires a […]

“Intrinsic” Standards: Are They Really What They Claim?

October 27, 2020 Office

by A.J. Wallard and T.J. Quinn Volume 6:6, Nov-Dec 1999 Concern has grown in recent years over the assertion by manufacturers of quantum-based commercial equipment that these products are intrinsic standards. A.J. Wallard, Deputy Director […]

Guildline Instruments Celebrates 40 Years of Achievements

October 22, 2020 Office

Volume 4:6, Nov-Dec 1997 A look at 40 years of innovations, in celebration of Guidline’s birthday. Includes timeline. READ FULL ARTICLE (PDF)

Simple Tests for Evaluating Digital Storage Oscilloscopes

October 22, 2020 Office

by Mitch Johnson Volume 4:2, Mar-Apr 1997 A digital storage oscilloscope is one of the most versatile pieces of test equipment on the market, offering the capability of automatic parmeter measurements on a variety of […]

New Techniques in Automated, High Performance Oscilloscope Calibration

October 22, 2020 Office

by Keith P. Bargroff Volume 3:3, May-Jun 1996 The adoption of quality standards, such as ISO 9000, coupled with the growth in computerized, digital-storage-oscilloscope-based measuring systems has led to a demand for cost-effective, automated, oscilloscope […]