In a logic circuit, two logic inputs A and B (taking values of 0 V or 5 V ) are connected to the anodes of two ideal p-n junction diodes D₁ and D₂ , respectively. The cathodes of both diodes are tied together and connected to ground through a load resistor R . The voltage at this common cathode junction is then fed as the input to a standard NOT gate. The final output of the NOT gate is Y . The complete circuit behav

Step-by-step solution

The circuit consists of a diode logic gate followed by a NOT gate. For the diode circuit, the inputs A and B are connected to the anodes, and the cathodes are tied together and grounded via a resistor R . If either input A or B (or both) is at 5 V (Logic 1 ), the corresponding diode becomes forward-biased and conducts. The voltage at the common cathode becomes 5 V (Logic 1 ). If both inputs are at 0 V (Logic 0 ), both diodes are non-conducting, and the resistor pulls the common cathode voltage to 0 V (Logic 0 ). Th