特点·多功能，高精度，高速度，可遥控音频分析仪·此仪器综合了低频信号发生器、电子电压表、失真表、频率计、直流电压表的功能于一身。中央微处理器控制意味着可靠性更高，操作更简便，将众多的功能汇集在一个小型、高速、高精度的单元中，其价格比分立单元更具有竞争性。·使用DSP技术，通过FFT计算获得真RMS值·使用DDS技术的高速、高稳定度信号发生器·宽大的LCD提供了清晰精确的显示·配备GPIB接口·为通讯应用提供了SINAD测量·双通道输入/输出可进行通道互扰、分离及L/R率测量·频率计及AC电平频率范围扩展至210KHz·具THD的失真及谐波分析功能·操作简便，测试功能丰富技术指标·Signal Genreator for Measurement·Frequency range.........5Hz to 20.09KHz(DDS system) | 20.1KHz to 110.0KHz(CR oscillator)·Frequency setting resolution........1Hz(5Hz to 2.009KHz) | 10Hz(2.01KHz to 20.09KHz) | 100Hz(20.1KHz to 110.0KHz)·Frequency accuracy........±0.005%(5Hz to 20.09KHz) | ±3%(20.1Khz to 110.0KHz)·Display digits........4-digit max.·Spot oscillator.1.........20Hz(±0.005%)·Spot oscillator.2..........1KHz(±0.005%)·Spot oscillaotr.3..........20KHz(±0.005%)·Output channels.........2CH(L,R:Only common output)·Output impedance........600Ω±2%(unbalanced)·Output level resolution.......0.1dB·Output level accuracy........Ω±0.5dB of set ＆#118alue(>-40dBv) | ±0.8dB of set ＆#118alue(≦-40dBV) 1KHz,600Ω load·Spot oscillator.1..........20Hz(0.001%THD+N,80KBW)·Spot oscillator.2........1KHz(0.001%THD+N,80KBW)·Spot oscillator.3............20KHz(0.001%THD,80KBW)·Measurement function block·Frequency measurement,AC level measurement(relative display/wattage display),DC level measurement,total distortion measuremetn(THD+N),harmonic distortion measuremtn(THD),harmonic analysis measurement(HD),SINAD measurement,S/N measurement,ratio measruemtn(R/L,L/R).··Measuring range......5Hz to 210KHz·Measurement resolution...........5-digit(≧100Hz)/0.01Hz(<100Hz)·Measuring accuracy..........±5＊10^-4±1digit·Input level range......1mV to 100Vrms·