For example: Agilent E4440A or Anritsu 68369
Audio Analyzer
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Keysight / Agilent 8903 Overview
The 8903B Audio Analyzer is the ideal instrument for receiver testing. It performs many measurements with no additional equipment required.
Features:
- Frequency Range: 20Hz to 100kHz
- Measures distortion, SINAD, signal-to-noise, true-rms ac volts, dc volts, and frequency
- Contains low-distortion programmable source
- Provides rms, average, and quasi-peak detection
- Fully programmable(HP-IB)
- Distortion Ranges: 0.001% to 100%(1 dB accuracy)
- SINAD Range: 0 to 99.99 dB( 1 dB accuracy)
- AC Level: 0.3 mV to 300 V(2% accuracy)
- DC Level: 4 V,16 V, 48 V, 300 V full scale(1% accuracy)
- Frequency Measurements: 20Hz to 150kHz(0.004%)