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項目清單
產品資訊
- 産品資訊
- NF 低雜訊前置放大器 LI-75A
非常適合提高鎖定放大器的靈敏度
LI-75A 是一款前置放大器，用於提高鎖定放大器的靈敏度並消除共模雜訊。
由於增益為100倍，頻帶寬至DC至1MHz，因此也可用作通用前置放大器。
電源由 NF 鎖定放大器或專用直流電源 PS-70A 供電。
低雜訊前置放大器
Model:
LI-75A
Maker:
NF Corporation
特點
- 寬帶DC~1MHz，增益100倍
- 低雜訊 2nV / √Hz
- 差分/單線接地/浮地可切換
- 輸入耦合AC/DC可切換
規格
| Input terminal | Balanced |
| Input impedance | 100MΩ // 50pF |
| CMRR | 120dB (DC to 100Hz) |
| Input referred noise | 2nV/√Hz (at 1kHz) |
| Voltage gain | 40dB |
| Frequency response | DC to 1MHz (DC), 0.2Hz to 1MHz (AC) |
| Maximum output voltage | ± 10V/2k ohm (DC to 200kHz) |
| Power requirements | Provided by the Lock-in amplifier or PS-70A |
| Dimensions (mm) | 120(W) X 55(H) X 200(D) |
| Weight | 1.15kg |
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