For a low pass RC filter: 1- Draw the circuit labeling the output terminal. 2- Drive its transfer function and cutoff frequency. 3- Sketch its gain and phase shift versus frequency, indicating its maximum gain and the gain at cutoff frequency. 4- Find the value of its capacitor if fe=1KHZ and R=IK N. 5- Determine Vo at cutoff frequency if V-10sin ot. 6- Determine the new cutoff frequency, if a load RL= IK2 is connected to the filter,

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Latches and Flip Flop

Just like logic gates, the latches and flip-flops are the important elements of an electronic circuit. The logic gates form the important part of combinatorial circuits, while the latches and flip-flops form the essential part of a sequential circuit. Sequential circuits form the important concept of automata theory in electronics and electrical engineering, these circuits are a kind of logic circuit whose output depends on both present input and past inputs, that is, the input history.