Audio Analyzer

Audio Analyzer

• Resolution: 24 Bits

• Sampling Rate: 192 KHz

• Input/Output of analog audio signals

Description

• Audio signal analysis: amplitude, frequency, SNR, THD, THD+N, etc.
• Analog audio testing: headphone, microphone, loudspeaker, crosstalk, etc.
Model SGAA-001 SGAA-002
Channel 1× Single-Ended Input

1× Single-Ended Output

1× Differential Input

1× Differential Output

Audio Analyzer

Input Impedance 10 TΩ 10 TΩ
Input Range 3.5 Vrms 2 Vrms
Coupling DC AC
Bandwidth 20 kHz 75 kHz
ADC Resolution 24 Bits 24 Bits
Sampling Rate ≤ 192 kHz ≤ 192 kHz
THD Measurement ≤ -106 dB (2 Vrms @ 1 kHz) ≤ -106 dB (2 Vrms

@ 1 kHz)

THD+N Measurement ≤ -82 dB (2 Vrms @ 1 kHz) ≤ -82 dB (2 Vrms

@ 1 kHz)

Measurement Accuracy Voltage ≤100 mVrms:± (1% of Reading + 0.005% of F.S.) ≤100 mVrms:± (1% of

Reading + 0.02% of F.S.)

≤3.5 Vrms: ± (0.3% of Reading + 0.005% of F.S.) ≤2 Vrms:± (0.7% of

Reading + 0.005% of F.S.)

Frequency ± 55 ppm ± 55 ppm

Audio Generator

Output Impedance Low-Z Low-Z
Output Range 2.3 Vrms 2.3 Vrms
Coupling AC AC
DAC Resolution 24 Bits 24 Bits
DAC Refresh Rate ≤ 192 kHz ≤ 192 kHz
Sine Frequency Range 10 Hz – 55 kHz 10 Hz – 50 kHz
THD Output ≤ -104 dB (2 Vrms @ 1 kHz) ≤ -106 dB (2 Vrms @ 1 kHz)
THD+N Output ≤ -102 dB (2 Vrms @ 1 kHz) ≤ -102 dB (2 Vrms @ 1 kHz)
Output Accuracy Voltage ≤ 100 mVrms:    ± 0.5% of Reading + 0.005% of F.S. ≤ 10 mVrms: 0.1% of

Reading + 0.001% of F.S.

≤ 2.3 Vrms:    ± 0.1% of Reading + 0.005% of F.S. ≤ 2.3 Vrms:    0.1% of Reading + 0.005% of F.S.