Investigation of a background suppression transimpedance amplifier for photovoltaic detectors
Metzger, Ferdinand Joseph, Jr.
Davis, David Scott
Atchley, Anthony A.
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The current generation of transimpedance amplifier based detector systems are limited by coamp saturation when operating at a high gain or in the presence of a large background signal. To eliminate saturation, an amplifier that is frequency dependent is developed. Additionally, the noise sources in the conventional transimpedance amplifier and photovoltaic detector are quantified for comparison to any modified circuit. Initial results indicate that the frequency dependent detector system is a viable system, however, further development is required. Further research of this technology is expected to support future infrared and long range detection applications.
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