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PowerWise Products and Technology Slide 15
The LM20124 provides the source voltage which biases both the audio and DS90UR241/124 serializer/deserializer (SERDES) segments of the video transport sections of the system. The LM4674 stereo Class D audio amplifier drives two 2W speakers. Boost regulators will be used to generate 12V and 5V, which will supply the bias voltage to the AVP-1280 video interface controller and the USB charger IC for the docking station, respectively. This controller converts the analog video output signal from the docking station into digital inputs for processing by the SERDES segment. Finally, the output of the DS90UR124 deserializer is taken and displayed by the Sharp LQ104S1DG21 TFT-LCD display, which is illuminated by an LED backlight with dimming capability.
PTM Published on: 2011-11-02