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Vs may be greater than 10 V so that a maximum intended value of Rc produces a 10 V maximum control voltage. Rc must be adjusted to a value of 0 ohms (a direct short) to return a 0 V control voltage. As a practical matter, many 0-10 V dimming control inputs can be operated by replacing the variable control resistor with an electronic switch.
In CC drivers, the voltage changes while the current stays the same. CC drivers are used when the electrical load of the LED circuit is either unknown or fluctuates, for example, a lighting circuit where a variable number of LED lamp fixtures may be installed. As an LED heats up, its voltage drop decreases (band gap decrease [1]). This can ...
Display Data Channel (DDC) is a collection of protocols for digital communication between a computer display and a graphics adapter that enable the display to communicate its supported display modes to the adapter and that enable the computer host to adjust monitor parameters, such as brightness and contrast.
It was the first intelligent LED display, making it a revolution in digital display technology, replacing the Nixie tube and becoming the basis for later LED displays. [ 2 ] In the early 21st century, display driver chips are widely used for mobile displays in smartphones and other smart devices as well as larger flat-panel displays .
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The Acer Aspire One D270 netbook is the first 10-inch Acer netbook to feature a 1.6 GHz Intel Atom N2600 dual core processor and running Windows 7 Starter 32-bit. [67] The AOD270-1186, the white models, feature an Intel Atom N2600 dual core processor with 1 MB L2 cache, 1.6 GHz processor and Hyper Threading technology. [ 68 ]
This page was last edited on 22 August 2017, at 18:57 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...