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Constant Frequency System
In this system chopping period T is kept constant but the on time Tom is varied. This system is also referred to pulse with modulation or time ration control scheme.
Since we have Vo =Ton /T Vs [from equation by increasing the on time Ton output voltage Vo can be increase. This V0 can be varied between zero and source voltage Vs.
Damage of revolving metallic disc due to tampering
To have the same value of P e , show that E b /N 0 in a coherent-ASK system has to be twice that in a coherent PSK system.
Series-Parallel Magnetic Circuit: Figure shows an electromagnet made of cast steel contain a coil of 500 turns wound on the central limb. The cross-sectional area of the outer
What is meant by interrupt? Interrupt is an external signal that causes a microprocessor to jump to a particular subroutine.
Magnetic materials (A) provide path to magnetic flux. (B) are good insulators. (C) are semiconductors. (D) None. Ans: Magnetic materials provide path to
describe the working and construction diagram of nicholas prism
Charge and Electric Force The proton has a charge of +1.602 10 -19 coulombs (C), while the electron has a charge of -1.602 × 10 -19 C. The neutron has zero charge. Electric c
Q. A 60-Hz, six-pole, wye-connected, three-phase induction motor, with the parameters R 1 = R 2 = 0.025 and Xl 1 = Xl 2 = 0.125 , is controlled by variable-frequency control
The rectangular pulse train of Figure (a) consists of pulses of height A and duration D. Such pulse trains are employed for timing purposes and to represent digital information. Fo
Define phase quantity
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