All items tagged with test and measurement (387)
Keysight Technologies Updates Step-by-Step Guide for USB Type-C Connector and Cable Assembly Compliance Testing
December 17, 2015 by audioXpress Staff

Keysight Technologies Updates Step-by-Step Guide for USB Type-C Connector and Cable Assembly Compliance Testing

Keysight Technologies announced the availability of a newly updated Method of Implementation (MOI) document for cable and connector assembly compliance tests defined in Rev. 1.1 of the USB Type-C specification and Rev. 1.0 of the USB Type-C Compliance Test Specification (CTS). The step-by-step document provides measurement procedures for compliance testing USB Type-C cables and connectors in the time and frequency domains, using the ENA Network Analyzer.
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Keysight Technologies Introduces USB Type-C Protocol Trigger, Decode Software
December 4, 2015 by audioXpress Staff

Keysight Technologies Introduces USB Type-C Protocol Trigger, Decode Software

Keysight Technologies introduced the industry’s first oscilloscope-based USB-PD (Power Delivery) protocol decoder software with real-time triggering and protocol decode performance. The Keysight N8837A USB-PD protocol trigger and decode software provides unique protocol decoder performance that enables engineers to verify and debug Type-C interfaces that implement USB-PD.
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Economical 3GHz RF Signal Generator Series for Designers Involved in Wireless Technology from Saelig
November 17, 2015 by audioXpress Staff

Economical 3GHz RF Signal Generator Series for Designers Involved in Wireless Technology from Saelig

Saelig has announced the availability of Rigol DSG800 RF Signal Generators, with output frequencies from 9kHz to 3.0GHz, providing a clean and stable RF output with low phase noise and high amplitude accuracy, and all of the functions of other high-level RF signal generators at much lower cost. Designed for electronics designers involved in wireless technology, Wi-Fi, electronics educators, EMC/EMI engineers, and amateur radio enthusiasts.
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Audio Precision Adds STI Measurement Capability to APx500 Software
October 29, 2015 by audioXpress Staff

Audio Precision Adds STI Measurement Capability to APx500 Software

Audio Precision announced the introduction of their Speech Transmission Index (STI) plug-in for APx500 audio test software. Created for engineers developing public safety (police, fire, emergency) communications and public address systems, as well as flight recorder devices, the APx STI plug-in provides measurement capabilities conforming to international standard IEC 60268-16 (2011).
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Audiomatica’s CLIO Pocket Electro-Acoustical Portable Measurement System
October 28, 2015 by Joe D'Appolito

Audiomatica’s CLIO Pocket Electro-Acoustical Portable Measurement System

Audiomatica's CLIO Pocket is comprised by the CP–01 Audio Interface (hardware) and software designed to run on Windows and Apple Mac OSX. This in-depth review shares how it works and what’s possible with this lower cost electro-acoustic measurement system that literally fits in your pocket. This article was originally published in audioXpress October 2015.
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Constant-Voltage Source Impedance Measurements
October 28, 2015 by Charlie Hughes

Constant-Voltage Source Impedance Measurements

In this article, the author addresses possible scenarios when measuring loudspeaker input impedance at drive levels closer to those used in actual operation, including problematic examples with vented loudspeaker enclosures and constant voltage distributed system transformers. This article was originally published in Voice Coil, February 2011.
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You Can DIY! Build a Voltage and Current Peak Detector
October 12, 2015 by George Ntanavaras

You Can DIY! Build a Voltage and Current Peak Detector

Here is a simple portable device from George Ntanavaras that can help answer the question about peak voltage and peak current requirements and whether or not your power amplifier is capable of driving your loudspeaker without clipping. This article was originally published in audioXpress March 2015 — Focus on Test & Measurement Edition. (Updated Dec 2015)
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Get audioXpress November 2015 While It’s Hot!
October 7, 2015 by audioXpress Staff

Get audioXpress November 2015 While It’s Hot!

Do you want to know how good audio from smartphones actually is? Would you like to know which sound measurement apps are available for smartphones? Or would you prefer to build The PhaseBuster, a unique way to manipulate the phase between stereo channels? Or would you prefer to build a headphone hybrid amplifier? All that and much more can be found in audioXpress November 2015, available online.
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Keysight Helps Engineers Verify, Debug Devices that Use Type-C Connector Technology
October 1, 2015 by audioXpress Staff

Keysight Helps Engineers Verify, Debug Devices that Use Type-C Connector Technology

Responding to an increasing market demand for fast development of USB 3.1 Gen 2 designs and designs using other high-speed signal standards that support the Type-C connector, Keysight Technologies introduced its N7015A high-speed test fixture, which the company says it’s the industry’s highest-signal-integrity Type-C test solution for high-speed differential bus probing.
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Advanced Noise Analysis with XL2 Data Explorer Software from NTi Audio
September 25, 2015 by audioXpress Staff

Advanced Noise Analysis with XL2 Data Explorer Software from NTi Audio

With version 1.40 of NTi Audio’s XL2 Data Explorer software it’s now possible to quickly analyze and report on large measurement datasets, defining or changing the audit interval after the measurement, to add percentile levels to graphs and reports, greatly enhancing analysis capabilities.
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