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Define Quantization Error?
Quantization by its nature introduces errors. There are two major sources of errors. One is sampling, that just takes the amplitude of the signal at a point in time and holds it until the next sample. Another source of errors comes from the quantizer that pulls up or pushes down the amplitude of the signal to its digital representation.
The quantization graph above displays the type of error levels involved in our case. This error generates an effect which is known as quantization noise. In audio or speech applications, this error takes place as noise on the output. If we take a common DSP application with a 10- to 12-bit ADC, the quantization noise is generally negligible compared to other noise sources.
1. A modi?ed NRZ code known as enhanced-NRZ (E-NRZ) operates on 7-bit words; invert- ing bits 2,3,6 and 7; and adding one parity bit to each word. The parity bit is chosen to make
Q. What is power gain? Power gain is the ratio of power delivered to the load to power delivered to the amplifier is the power gain. A p =P o /P i =V o I o /V i I s
Bipolar junction transistor: Transistors are so named as they conduct via using both majority and minority carriers. The bipolar junction transistor that is abbreviated as BJT
Q. How oscillations start up in an oscillator? The noise voltage produced due to the random motion of electrons in resistors or in active devices provides the starting voltage
how to be prepare for gate....
A circular ring of magnetic material has a mean length of 1m and a cross sectional area of .001m^2.A sawcut of 5mm width is made in the ring . calculate the magnetizing current req
desin try sate logic diagram
Given S(F) = A'B +'C'D + C'D +'A'B + 'A B + 'A 'C + 'A D + 'A C A. DRAW A MINIMIZED CIRCUIT USING ONLY OR AND NOT GATES (2 input gates) B. WRITE THE WIRE LIST Example of a
What is the use of modem control unit in 8251? The modem control unit handles the modem handshake signals to coordinate the communication among the modem and the USART.
Q. Explain about Half Duplex Transmission? Half Duplex Transmission A half-duplex channel can receive andsend, though not at the same instance. It's like a one-lane bridge w
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