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

输入阻抗电流

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

频率范围

0.001 Hz to 102.4 kHz

参考输入

TTL or sine (400 mVpp min.)

输入阻抗

1 MΩ， 25 pF

相位分辨率

0.01° front panel， 0.008° through computer interface

**相位误差

<1°

相对相位误差

<0.001°

正交性

90° ± 0.001°

相位噪声

Internal ref. Synthesized， <0.0001° rms at 1 kHzExternal ref. 0.005° rms at 1 kHz (100 ms time constant， 12 dB/oct)

相位漂移

<0.01°/°C below 10 kHz， <0.1°/°C above 10 kHz

谐波检测

2F， 3F， ... nF to 102 kHz (n < 19，999)

收集时间

(2 cycles + 5 ms) or 40 ms，whichever is larger