• 24 位分辨率

• 192 KHz 采样率

• 支持多种模拟音频信号的输入/输出

应用场景

• 音频信号分析：幅值、频率、信噪比、THD、THD+N 等指标

• 模拟音频测试：耳机、麦克风、扬声器测试，串扰测

音频分析仪

输入阻抗		10 TΩ	10 TΩ
输入范围		3.5 Vrms	2 Vrms
耦合		DC	AC
带宽		20 kHz	75 kHz
ADC 分辨率		24 Bits	24 Bits
采样率		≤ 192 kHz	≤ 192 kHz
THD 测量		≤ -106 dB (2 Vrms @ 1 kHz)	≤ -106 dB (2 Vrms @ 1 kHz)
THD+N 测量		≤ -82 dB (2 Vrms @ 1 kHz)	≤ -83 dB (2 Vrms @ 1 kHz)
测量精度	电压	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.)
	频率	± 55 ppm	± 55 ppm

音频发生器

输出阻抗		Low-Z	Low-Z
输出范围		2.3 Vrms	2.3 Vrms
耦合		AC	AC
DAC 分辨率		24 Bits	24 Bits
DAC 刷新率		≤ 192 kHz	≤ 192 kHz
正弦频率范围		10 Hz – 55 kHz	10 Hz – 50 kHz
THD 输出		≤ -104 dB (1 Vrms @ 1 kHz)	≤ -106 dB (1 Vrms @ 1 kHz)
THD+N 输出		≤ -102 dB (1 Vrms @ 1 kHz)	≤ -102 dB (1 Vrms @ 1 kHz)
输出精度	电压	≤ 100 mVrms:    ± 0.5% of Reading + 0.005% of F.S.	≤ 100 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.
	频率	± 10 ppm	± 10 ppm