SR552低噪声双极输入前置放大器

前端噪声1.4nV/√Hz

单端或差分输入

双极输入，100K输入阻抗

可调增益为10，20，50和100倍

 技术指标

输入阻抗       100 kΩ + 25 pF

输入                       Single-ended or differential

最大输入               70 mVrms for overload

                              50 VDC, 20 VAC damage threshold

噪声（典型）         1.4 nV/√Hz at 1 kHz

                               1.6 nV/√Hz at 100 Hz

                               2.5 nV/√Hz at 10 Hz

增益                    10, 20, 50, 100 (Automatically set by SR510 or SR530 lock-in)

量程                    10 nV to 200 mV