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A component video signal uses three separate channels or wires to deliver a complete color television signal. One of the three carries brightness information, known as the "luma" signal. The color information, known as "chroma" is carried on the other two signals. Component video is used in production and broadcast environments as it delivers the best possible quality. Although broadcast has almost completely moved to digital signals, the signal format is still component. Domestic applications often use composite signals, a single wire that carries both luma and chroma signals although component is provided on some equipment. RGB (red, green, blue)signals are often referred to as component. The two are different and are not compatible.
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What is the definition of a composite signal?
A composite signal is a mux or a bus signal. These can be thought of as a collection of other component signals.
Bandwidth of digital signal is infinite?
A digital signal is actually a complex signal. Consider the horizontal part of a digital signal as a component with 0 frequency and the vertical part of the signal as the component of infinite frequency. Also, consider the change from the horizontal to vertical as all the frequencies. Then we can claim that a digital signal is complex signal with frequencies from 0 to infinite.A digital signal is a composite analog signal with an infinite bandwidth.
Pre-emphasis in FM systems involves?
Amplification of higher frequency component of modulating signal
What component develops the output signal in a common emitter amplifier?
The voltage drop across the emitter-collector junction develops the output signal with the help of a resistor or two in series. The output is 'seen' at the collector.
What is a reverberating circuit?
a closed circuit, in which the signal continually travels around a circular path over and over until one of the components (usually neurons) stops functioning and the signal is not transmitted to the next component; proposed by Hebb as the mechanism for short-term memory
