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Ultralow Noise, 2.4GHz Gain Bandwidth Large-Area Photodiode Amplifier

Ultralow Noise, 2.4GHz Gain Bandwidth Large-Area Photodiode Amplifier

The combination of the ultralow noise JFET gain stage and the LT1806 low noise amplifier achieves the ultralow input noise performance. The circuit’s input voltage noise was measured at 0.95nV/rtHz.