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Q. What do you mean by Signal multipath?
Signal multipath occurs with electromagnetic wave propagation via sky wave in the HF range. When the transmitted signal reaches the receiver through multiple propagation paths with different delays, signal fading may result. Both atmospheric noise and thermal noise become the additive noise at high frequencies. It is possible to have ionospheric scatter propagation in the frequency range of 30 to 60MHz, and tropospheric scattering in the range of 40 to 300MHz; but relatively large antennas are needed with a large amount of transmitted power, because of large signal propagation losses.
Voltage Tripler and Quadrupler: Voltage Tripler an extension of the half wave voltage across each diode is 2Vm as it is for the filter capacitor circuit. It should be obvious
Q. Explain about Direct-current machines? Generally speaking, conventional dc generators are becoming obsolete and increasingly often are being replaced by solid-state rectifie
There are zillions of things in electronics known as encoders. You can look up LCDs and NAND gates as well and this is actual basics.
Consider the common-emitter BJT circuit shown in Figure (a). The static characteristics of the npn silicon BJT are given in Figure (b) along with the load line. Calculate iB for v
For parity Flag JPE ( jump on Parity even ) and JPO ( Jump or Parity Odd) Instruction JPE transfer the execution of the program to the specified memory address i
Q. Write a short note on types of enclosure of machine. Sol. The various types of d.c. machine : (1) Magnetic frame or Yoke (2)
Q. A charge q(t) = 50 + 1.0t C flows into an electric component. Find the current flow.
A 20µF capacitor is connected in series with a 50 kΩ resistor and the circuit is connected to a 20 V, d.c. supply. Verify: a) The initial value of the current flowing, b) T
Q. Show the Dialling Circuit? Dialling circuit enables subscriber to output signals representing digits, and this enables caller to enter destination telephone number. Dialling
Common channel signalling Signalling systems link the variety of switching systems, transmission systems and subscriber equipments in telecommunication network to enable
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