The Keysight (Agilent) U8903A is an advanced audio analyzer introduced to succeed the industry-standard 8903B. It offers comprehensive audio testing capabilities including THD+N, SINAD, SNR, and crosstalk measurements across a frequency range of 10 Hz to 100 kHz. The instrument features a modern interface with a 5.7-inch color display and standard USB, LAN, and GPIB connectivity for automated test environments.

Specifications

General

ParameterValue
InterfacesUSB, LAN, GPIB
Display5.7-inch color TFT LCD
Calibration Cycle1 year

Physical

ParameterValue
Power Supply100 to 240 VAC, 50/60 Hz

System Characteristics

ParameterValue
Number of Channels2

Analyzer Input

ParameterValue
Maximum Input Voltage140 Vrms
Input Impedance (Balanced)200 kΩ
Input Impedance (Unbalanced)100 kΩ

Generator Output

ParameterValue
Maximum Generator Output (Balanced)16 Vrms
Maximum Generator Output (Unbalanced)8 Vrms

Performance

ParameterValue
System THD+N< -101 dB (1 kHz, 20 kHz bandwidth)

Technology

Analog Audio Test

Applications

Audio Electronics Test, Component Test, Automated Testing