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Digital down converter information


In digital signal processing, a digital down-converter (DDC) converts a digitized, band-limited signal to a lower frequency signal at a lower sampling rate in order to simplify the subsequent radio stages. The process can preserve all the information in the frequency band of interest of the original signal. The input and output signals can be real or complex samples. Often the DDC converts from the raw radio frequency or intermediate frequency down to a complex baseband signal.

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Digital down converter

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In digital signal processing, a digital down-converter (DDC) converts a digitized, band-limited signal to a lower frequency signal at a lower sampling...

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DDC

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submitted by AT&T to the Open Compute Project. Digital distribution copy Digital down converter, a method in digital signal processing Display Data Channel,...

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Digital Negative

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specification, plus various products, including a free-of-charge DNG converter utility. All Adobe photo manipulation software (such as Adobe Photoshop...

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Integrating ADC

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integrating ADC is a type of analog-to-digital converter that converts an unknown input voltage into a digital representation through the use of an integrator...

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CORDIC

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Chris K. (Fall 2008). "Implementation of a CORDIC Algorithm in a Digital Down-Converter" (PDF). Lakshmi, Boppana; Dhar, Anindya Sundar (2009-10-06). "CORDIC...

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Buck converter

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A buck converter or step-down converter is a DC-to-DC converter which decreases voltage, while increasing current, from its input (supply) to its output...

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Phase converter

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converter does not change the voltage, but it can be paired with a transformer to step the voltage up or down depending on what is needed.  A Digital...

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Digital television transition in the United States

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television to receive digital broadcasts. The box may also be called a "set-top" converter, "digital TV adapter" (DTA), or "digital set-top box" (DSTB)...

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Electric power conversion

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to another. A power converter is an electrical or electro-mechanical device for converting electrical energy. A power converter can convert alternating...

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Numerically controlled oscillator

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communications systems including digital up/down converters used in 3G wireless and software radio systems, digital phase-locked loops, radar systems...

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Digital potentiometer

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A digital potentiometer (also called a resistive digital-to-analog converter, or informally a digipot) is a digitally-controlled electronic component...

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Scan conversion

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scan converter (pictured). Scan conversion serves as a bridge between TV and computer graphics technology. VESA Analog-to-digital converter Digital-to-analog...

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Digital recording

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heard or seen. In a properly matched analog-to-digital converter (ADC) and digital-to-analog converter (DAC) pair, the analog signal is accurately reconstructed...

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HVDC converter

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An HVDC converter converts electric power from high voltage alternating current (AC) to high-voltage direct current (HVDC), or vice versa. HVDC is used...

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Boost converter

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A boost converter or step-up converter is a DC-to-DC converter that increases voltage, while decreasing current, from its input (supply) to its output...

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Digital zoom

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Digital zoom is a method of decreasing the precise angle of view of a digital photograph or video image. It is accomplished by cropping an image down...

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Level shifter

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In digital electronics, a level shifter, also called level converter or logic level shifter, or voltage level translator, is a circuit used to translate...

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Baudline

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distortion measurements Channel equalization Function generator Digital down converter Audio playing with real-time DSP effects like speed control, pitch...

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Video standards converter

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new digital video standards converters came on the market. Some were down converters only, HDTV to PAL or NTSC. Others could both up and down convert:...

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