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Q. What are the different types of distributing frames used in exchanges?
Ans:
Different distribution frames used in exchange are displayed in figure. Each subscriber in a telephone network is connected generally to the nearest switching office by a dedicated pair of wires. Subscriber loop denotes to this pair of wires. It would be unwisely to run physically independent pairs from each subscriber premises to exchange. It is far easier to lay cables comprising a number of pairs of wires for different geographical locations and run individual pairs as needed by subscriber premises.
Equivalent Circuit : The equivalent circuit of a UJT is shown in fig. The P - N junction represented in the emitter by a diode. Silicon bar being lightly doped has a high res
Q. What do you mean by Companding? In order to lower the crest factor of a waveform, so as to produce better performance, a process known as companding is used. It works like a
#question what are the types of lines used there and their application ..
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Q. A transmission line with a dielectric (εr = 3.5) is 100 m long. At a frequency of 10 GHz, how many wavelengths long is the line?
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Question: (a) Describe the following terminologies: i. Branch ii. Branch Prediction iii. Branch Predictor iv. Branch Misprediction (b) Consider that 15% of instructi
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Q. A satellite radio transmitter has P in = 3 W and G t = 30 dB. The receiving antenna has a circular aperture with radius r at the ground station 30,000 km away. Find r in meter
Stator Current Control Methods The torque and speed of an induction motor can be controlled by the stator current the motor behaviour is different from that with VS
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