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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.
Given: R 1 = R 3 = 1 k_, R 2 = 100 k_ and k = 0.1 A/V, and step-up transformer turns ratio is 10. a) Find the value of the load resistor RL that would maximize the power
Q. A voice message with W f = 2π(3×10 3 ) rad/s and Wrms = 2π(1 × 10 3 ) rad/s is transmitted over an FM broadcast system with standard emphasis. and compare the improvements due
TRANSISTOR CONFIGURATIONS: Transistor circuits may be categorized into three configurations based on which terminal is common to both of the input and output of circuit. Th
Draw the circuit of transistor in the common base configuration. Draw the Active, saturation and cut-off region. List the characteristics of Ideal Op-Amp. Sketch the pin diagram
Q. In the magnetic circuit shown in Figure the center leg has the same cross-sectional area as each of the outer legs. The coil has 400 turns. The permeability of iron may be a
'Electric drives' is a term used to describe DC and AC electric motors that provide continuous rotarmotion. They are often controlled by 'electronic drivesystems' designed to contr
design a excess3 to bcd code converter using only nand gates
A DT LTI system has the following impulse response: h(n)=[cos(pi/+delta(n)] u(n-3)u(n-2) (a) Find the system’s frequency response h(e^jw ). (b) Sketch the magnitude and phase respo
#what is the procedure of the choke coil experiment
Theoretical calculations The characteristics of the d.c. machine you will be investigating are given on the last page of this part. Use 200V DC supply for both armature and fie
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