Table Q2(c) shows the specification of three (3) amplifiers. Suggest the arrangement of all amplifiers in a cascaded form to produce the minimum total noise factor at the output. Justify your answer by calculating the total noise factor. Table Q2(c): Amplifiers specification Amplifier Gain Noise Figure (dB) A 30 dB 15.5 90 12.0 C 20 dB 10.5
Quantization and Resolution
Quantization is a methodology of carrying out signal modulation by the process of mapping input values from an infinitely long set of continuous values to a smaller set of finite values. Quantization forms the basic algorithm for lossy compression algorithms and represents a given analog signal into digital signals. In other words, these algorithms form the base of an analog-to-digital converter. Devices that process the algorithm of quantization are known as a quantizer. These devices aid in rounding off (approximation) the errors of an input function called the quantized value.
Probability of Error
This topic is widely taught in many undergraduate and postgraduate degree courses of:
eletronic communication system
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