Electronic Design

Boost In-Situ Reflection Measurement Accuracy with a Portable VNA

Understand the network diagram for VNA measurement error terms. What are the effects of various residual errors on the outcome of the measurement? Learn the only ...
EDN

Solving measurement problems with your scopes’ signal-processing tools

The real world of electronic measurements is not a nice place. Noise, interference, and unexplained offsets wreak havoc with you data acquisition. Take for example the measurement of an ultrasonic ...
EDN

Measure propagation delays using time-domain reflectometry

You normally use TDR (time-domain reflectometry) to measure impedance change along a signal path (Reference 1). It is also a valuable tool for measuring propagation delays. The TDR technique is ...
Electronic Design

RF Measurement Basics for Non-RF Test Engineers

Wireless communications products that depend on RF principles are everywhere these days, and the growth rate is astonishing. From cell phones and wireless PDAs to Wi-Fi-enabled laptops, Bluetooth ...
Radio World

Modern VHF Signal Measurement Techniques at NPR Labs, Part II

In the first half of this paper (Engineering Extra, Apr. 14), I discussed the need for an accurate antenna capable of repeatable measurements and presented the design of NPR Lab’s transportable ground ...