信号通道 输入方式 | Single-ended or differential |
量程 | 2 nV to 1 V 106 or 108 V/A |
输入阻抗 |
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电压输入 | 10 MΩ + 25 pF, AC or DC coupled |
电流输入 | 1 kΩ to virtual ground |
增益精度 | ±1 % (±0.2 % typ.) |
噪声 (典型值) | 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) |
动态储备 | >100 dB (without prefilters) |
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参考通道 |
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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 |
相位精度 | 0.001° |
绝对相位误差 相对相位误差 | <1° <0.001° |
谐波检测 | 2F, 3F, ... nF to 102.4 kHz |
采集时间 | (2 cycles + 5 ms) or 40 ms, |
| whichever is greater |
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内部振荡器 |
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频率范围 | 1 mHz to 102.4 kHz |
频率精度 | 25 ppm + 30 µHz |
频率分辨率 | 0.01 % or 0.1 mHz |
| (whichever is greater) |
扭曲 | –80 dBc (f < 10 kHz) |
| –70 dBc (f > 10 kHz) at 1 Vrms |
幅度 | 0.004 Vrms to 5 Vrms into 10 kΩ |
| (2 mV resolution) |
输出阻抗 | 50 Ω |
幅度精度 | 1 % |
输出波形 | Sine and TTL (both can be phase- |
| locked to an external reference) |
扫频模式 | Linear and log |
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显示 |
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屏幕格式 | Single or dual display |
显示数量 | Each display shows one trace. Traces are defined as A × B / C or A × B / C2 |
| where A, B, C are selected from X, Y, R, θ, X-noise, Y-noise, R-noise, Aux 1 to 4 or frequency. |
显示类型 | Large numeric readout, bar graph, polar plot and strip chart |
数据缓存 | 64k data points. Buffer is configured as a single trace with 64k points, two traces with 32k points each, or four traces with 16k points each. |
样本速率 | 0.0625 to 512 Hz, external to 512 Hz |
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分析功能 |
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平滑 | 5, 9, 17, 21, 25 pt. (Savitsky-Golay) |
曲线拟合 | Linear, exponential or Gaussian |
计算类型 | 算数运算, 三角函数运算和对数运算 |
统计 | 平均值和标准差 |
