29 Sep '12, 12am

Seven Steps To Successful Ultra-Low-Light Signal Conversion

Seven Steps To Successful Ultra-Low-Light Signal Conversion

To convert the light to an electrical signal for further processing, one needs to know the ac and dc characteristics of the light source, its signal magnitude, the desired measurement resolution, and the available power supplies in the system. Knowing the magnitude of the signal’s characteristic and noise level provides clues as to how to select a sensor, what gain is necessary in our gain block, and what input voltage range and noise levels we might need when selecting an analog-to-digital converter (ADC).

Full article: http://electronicdesign.com/article/analog-and-mixed-sign...

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