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. | ||
