美国斯坦福SR830锁相放大器

电压输入             Single-ended or differential

分辨率                 2 nV to 1 V

电流输入             106 or 108 V/A

输入阻抗         电压             10 MΩ + 25 pF, AC or DC coupled        

电流             1 kΩ to virtual ground

增益精度            ±1 % (±0.2 % typ.)

噪声(typ.)           6 nV/√Hz at 1 kHz                             

                         0.13 pA/√Hz at 1 kHz (106 V/A)                             

                         0.013 pA/√Hz at 100 Hz (108 V/A)

线性滤波             50/60 Hz and 100/120 Hz (Q = 4 )

CMRR                 100 dB to 10 kHz, decreasing by 6 dB/oct above 10 kHz

动态范围              >100 dB (without prefilters)

稳定性                  <5 ppm/°C