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. |