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In a dual intensity circuit rear markers and brakes if the LEDs are not pulsed at a fast enough frequency, they can create a phantom arraywhere ghost images of the LED appear if the eyes quickly scan across the array.
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Campbell; Brock, Phil J. Due to the simplicity of manufacturing, the phosphor method is still the most popular method for making high-intensity white LEDs.
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Archived from the original on 27 September The transistors first digit is one less than the number of connections the device has, except for 4N and 5N which are reserved for optocouplers. Phosphorescent organic light-emitting diode. The low energy consumptionlow maintenance and small size of LEDs has led to uses as status indicators and displays on a variety of equipment and installations.
Black, Langis Gagnon A typical transistor amplifier is shown below.
Light-emitting diode – Wikipedia
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Electronics and Communications ligth Japan. Massachusetts Institute of Technology.