Consider a three-stage of communication system that having its first stage amplifier with power gain Aı = 10000, the second stage with power attenuation A2 = 0.1 and third stage amplifier with power gain A3 = 100. (c) (i) Calculate each power gain and attenuation in dB. (ii) Determine the overall power in dB. (iii) Evaluate the output power in dBm if the input power is 10 µW.
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:
electronic communication system
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