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Data Communication
1. Write short notes on:
a. Sky wave propagationb. Line of sight propagation
2. List and describe the different types of errors that occur during data transmission.
3. What is the concept of multiplexing. Explain about Frequency-division multiplexing.
4. Illustrate Code-Division Multiple Access (CDMA).
5. Define topology? Explain the types of LAN topologies.
6. Briefly write short notes on IEEE 802.1Q VLAN standard.
how back emf is produced in transformer?
Q. Explain Sampling and Pulse Modulation? In most analog circuits, signals are processed in their entirety. However, in many modern electric systems, especially those that conv
With respect to serial communication define the parity. Besides the synchronization given by the use of start and stop bits, an additional bit termed as a parity bit may opt
Q. Explain the construction and operation of Enhancement MOSFET? The construction of an N-channel enhancement MOSFET is shown in figure below. Two highly doped N + regions are
Q. What do you mean by Feedback in amplification? Feedback : Feedback in its broadest sense means that a certain amount of the output signal is "fed back" into the input. An
Q. Give applications of emitter follower The emitter follower has the following principal applications: 1. To provide current amplification with no voltage gain 2. Impede
why we plot graph to find bandwidth is drawn b/w av/avmax v/s frequency not av v/s frequency?
An intrinsic semiconductor at room temperature has free electrons
please explain phasor diagram and equivalent circuit
Q. Find the parameter values V T and I DSS for a p- channel MOSFET with i D = 0 when v GS ≤-3 V, and i D = 5 mA when v GS = v DS =-8V.You may neglect the effect of v DS on
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