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Q. If the output signal fromanAMmodulator is given by u(t) = 5 cos 1800 πt + 20 cos 2000 πt + 5 cos 2200 πt , determine:
(a) The modulating signal m(t) and carrier c(t).
(b) The modulation index.
(c) The ratio of the power in sidebands to the power in the carrier.
List the different types of flags affected by the arithmetic and logic operations. Carry flag, Auxiliary carry flag , Parity flag, Sign flag, Zero flag
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A zipper has N links every link has a state in which it is closed with energy 0 and a state in which it is open with energy 0 We require that the zipper only unzip from one side (s
The vectors we will use we be refered to right-handed Cartesian axes. Right handed means that the x,y,z axes are oriented in a particular way (which you must know). See diagrams
(a) Explain what asynchronous transmission is and give two advantages and two disadvantages of using this type of transmission. (b) One of the goals of multiplexing is efficienc
Question 1 Explain the construction of telephone network Question 2 What is out-of-band signaling? Explain Question 3 Describe STP (Signaling Transfer Point) Questio
Q. Explain about Amplifier noise? Amplifier noise arises from both thermal sources (resistances) and nonthermal sources (semiconductor devices). Although nonthermal noise is no
Find the resistance of 1 km of copper cable having a diameter of 10 mm if the resistivity of copper is 0.017 x 10 -6 Ωm.
A circuit having of a resistor connected in series with a 0.5µF capacitor and has a time constant of 12 ms. Verify: (a) The value of the resistor (b) The capacitor voltage
Explain in detail the operation of 8255 in mode1 taking suitable example. In mode1, Ports A and B are programmed as input or output ports and Port C is used for handshaking.
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