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Q. When the quantum step size δv and the step size of f (t) are the same as in , the quantizer is said to have a gain of unity. If, on the other hand, the quantizer has a gain of K
Explain the Third Group of 32 ASCII Character? The third group of 32 ASCII characters is set aside for the upper case alphabetic characters. The ASCII codes for the characters
Q. Explain Pulse-Code Modulation? PCM is the simplest and oldest waveform coding scheme for processing an analog signal by sampling, quantizing, and binary encoding. Figure sho
Many circuits, particularly amplifiers, use negative feedback (nfb) in order to function reliably. The nfb changes the performance of the circuit to which it is applied, in most ca
Q. How speech is transmitted in digital switching environment by using PCM/TDM? Ans: A digital carrier system is a communications system which uses digital pulses instead of
Impurities in Semiconductors Can be added in accurately controlled amounts. Can modify the electronic and optical properties. Used to change conductivity over wide ra
In most real signal processing applications the measured signals can not be described by an analytical expression. In addition, by the Wold decomposition theorem a stationary signa
Q. Derive the equations of the self bias circuit? A circuit which is used to establish a stable operating point is the self biasing configuration. The circuit is shown in Fig
Buck Boost Converter The output of buck boost regulator may be less than or greater than the input voltage. Since the polarity of output voltage is opposite to that
Emitter bias: Figure: Emitter bias While a split supply (dual power supply) is accessible, this biasing circuit is the very much effective, and gives zero bias vo
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