Find the Fourier transform of the following:
Fig. 1
From the figure, we have the function x(t) = 1 for 0 < t ≤ τ/2 and otherwise x(t) = 0
The general expression of Fourier transform is
Explain with suitable block diagram the generation of FM signal using Armstrong method.
Explain with proper expression
Draw and explain the square – law modulator.
Derive the expression for overall noise figure of a cascaded system.
Why Schottky diodes are suitable for microwave region?
State and explain Biot – Savart law.
Derive an expression for lifting power of a magnet
