规格和性能:双频率范围:10HZ-1MHZ 五档±5%输出波形:正弦波/方波输出电压:正弦波5Vrms,方波:10Vpp 频响±1.501B输出失真率:0.1%, 阻抗600Ω衰减器: 0,-20dB,-40dB and Fine Adjuster外同步:*小1%Vrms