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Electronics and Communication Electronic Devices And Circuits Difficulty: Medium

Which of the following amplifier circuit using junction transistor has the best gain? D flip-flop can be made from J-K flip-flop by making: Given h[n] = {1, 2, 3, 2, 1}. It is a linear phase FIR filter because A photodiode is normally: A square wave is defined by \[x\left( t \right) = \left\{ \begin{gathered} A,\,0 < t < \frac{{{T_0}}}{2} \hfill \\ - A,\,\frac{{{T_0}}}{2} < t < {T_0} \hfill \\ \end{gathered} \right.\] It is periodically extended outside this interval. What is the general coefficient a n in the Fourier expansion of this wave?