Download Foundation of Digital Electronics and Logic Design by Subir Kumar Sarkar, Asish Kumar De, Souvik Sarkar PDF

By Subir Kumar Sarkar, Asish Kumar De, Souvik Sarkar

This ebook makes a speciality of the elemental ideas of electronic electronics and common sense layout. It is designed as a textbook for undergraduate scholars of electronics, electric engineering, laptop technological know-how, physics, and data know-how. The textual content covers the syllabi of numerous Indian and international universities. It depicts the excellent assets at the contemporary principles within the region of electronic electronics explored through best specialists from either and academia. loads of diagrams are supplied to demonstrate the recommendations concerning electronic electronics in order that scholars can simply understand the topic. Solved examples in the textual content clarify the techniques mentioned and routines are supplied on the finish of every chapter.

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If any one of the switch is open the current passes through the short circuit and output is 0. 11 OR gate. Number of input may be more than two but is limited by the fan-in capability (to be discussed later) of the OR gate. 2. 2 AND gate Definition The output of AND gate = 1 when all inputs are 1 and output = 0 when any of the input = 0 Truth table A(S1) B (S2) C 0 0 0 0 1 0 1 0 0 1 1 1 Electrical Analogue: When both the switches are closed the current passes through the bulb and output is 1. If any one of the switch is open the then the circuit becomes an open circuit and output is 0.

A and B are inputs and Y is the output in the present case. The logic symbol and the corresponding electrical analogue circuit is shown in Fig. 14. 4. 4 NOR gate Definition The output of NOR gate = 1 when all inputs are 0 and output = 0 when any of the input = 1. Truth table A(S1) B (S2) C 0 0 1 0 1 0 1 0 0 1 1 0 Electrical Analogue: When both the switches are open the current passes through the bulb and output is 1. If any one of the switch is closed the current will pass through the short circuited path and no current will pass through the bulb, hence output = 0.

9 Enable Inputs In Fig. 20, if S = 0, this will perform its expected function, but S = 1 will inhibit the operation. 20 Logical symbol of enable input operation. S S input is called enable or strobe input when S = 0. S input is called inhibit input when S = 1. When S = 0, the output Y depends upon the value of A, B, and C and then perform its intended function. When S = 1, the Y is zero always being independent of A, B, C, and under this condition S = 1, the gate is called anticoincident gate and the gate performs inhibit operation.

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