Supply high quality LED Power

By: alina99

what IS an LED light? A light-emitting diode (LED) is an electronic light source. LED's are based on the semiconductor diode.LED's produce more light per watt than incandescent bulbs, and wastage of energy is minimal, as LED's radiate very little heat in the form of IR that can cause damage to sensitive objects or fabrics.LED power supplies must, among others, provide Universal AC input, allowing the full range of applications, Short circuit, over load, over voltage protection, a built-in dimming function, allowing the light levels to be adjusted to create different effects.

And as LED's are very sensitive make sure you use an appropriate and high quality power supply.The multimeter will show a reading and this voltage will depend on the quality of the transistors. Some of our FM transmitters have a second coil in the antenna circuit called a peaking or tuning coil and when this is adjusted, the output of the circuit will rise further. LED's make more light per watt than incandescent bulbs, and wastage connected with energy is minimal, as LED's radiate very little heat by using IR that can cause trouble for sensitive objects or material.

Standard features include short-circuit, overload and over-voltage protection. Over-voltage protection is particularly important in constant-current supplies to avoid self-destruction should the LED string become open circuit.And of course the safety in the LED power supply can be a prime concern, to stop overheating, cooling should occur, and the most efficient type of this is by zero cost air convection. Most commercially available LED “light modules” are constructed by connecting a number of LEDs in series or parallel to form cluster or string.In cases where a manufactured cluster or string of LEDs does not include an internal “constant-current” driver, an external LED driver or power supply that provides a “constant-current” is required. For high-current applications, up to 300mA is available to power one series-string of high brightness LEDs.

Twice the brightness of the company's current power LEDs and designed for general lighting applications such as home and office lighting, auto headlamps, and streetlights, as well as consumer applications the EZBright1000 LED chip delivers a power output up to 370 mW at 350 mA of drive current and 800 mW at 1 A. According to the company, the device allows designers to reach new levels of power output and efficiency from a single chip.

The circuit is soldered together without the need for a PC board, as can be seen in the diagram below and paper clips are used for the positive and negative terminals of the multimeter.

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The LED Power Supply is a simple RF detector using diodes to charge a capacitor. The voltage developed across the capacitor is indicated by a multimeter set to a low voltage range.

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