. Electronic apparatus for biological research . AGO 600 800 1,000 1,200 1^400 1,600 Current through cell uA Figure Performance data of an average P50A germanium phototransistor The cell must be used with an electrical power source of the correct polarity. Figure shows the current versus applied voltage characteris- tics for an average cell at various light levels at a temperature of 20°C. At least 1 V must be applied before the cell will function. The effect of a 100 kilohm load is also shown. Due to the small area of the active photosensitive element (0-15 mm^) the sensitivity of
. Electronic apparatus for biological research . AGO 600 800 1,000 1,200 1^400 1,600 Current through cell uA Figure Performance data of an average P50A germanium phototransistor The cell must be used with an electrical power source of the correct polarity. Figure shows the current versus applied voltage characteris- tics for an average cell at various light levels at a temperature of 20°C. At least 1 V must be applied before the cell will function. The effect of a 100 kilohm load is also shown. Due to the small area of the active photosensitive element (0-15 mm^) the sensitivity of the device to unfocused illumination is 379
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Keywords: ., bookcentury1900, bookcollectionbiodiversity, bookleafnumber407
