Keysight U8903B/STD Audio Analyzer

Overview

The Keysight U8903B/STD is a fully-configurable, next-generation audio analyzer that serves as the successor to the U8903A. It features exceptionally low residual distortion and provides comprehensive high-performance audio measurements for a wide range of applications, including consumer audio, professional audio, and wireless communication testing.

Key Features

• Configurable to 4, 6, or 8 analog analyzer channels with simultaneous measurement
• Low residual distortion below –110 dB for ultra-low distortion device testing
• Wide measurement bandwidth from 10 Hz to 96 kHz (extendable to 1.5 MHz with wide bandwidth option N3431A)
• Perceptual Objective Listening Quality Assessment (POLQA) for voice quality measurements per ITU-T P.863
• Programmable custom filters via MATLAB software upload
• Test sequence function for automated testing procedures
• Multi-functional measurements: S/N ratios, SINAD, IMD, DFD, THD+N ratio, crosstalk characterization
• Weighing functions and standard filter options with notch filter customization
• High-quality signal stimulation and arbitrary waveform generation
• Numerical and graphical result displays with zoom and dual-display capability
• FFT analysis for frequency response, transition band, and phase characteristics
• Class-D amplifier measurement without external filters
• GPIB, LAN/LXI, and USB interfaces
• HP 8903B legacy mode for transition support
• Three-year warranty

Applications

• Consumer and professional audio device testing and validation
• Wireless communication audio quality assurance
• Bluetooth audio performance testing
• Amplifier characterization and analysis
• Audio component R&D and production testing