Elec Lab PDF

# OR Gate ## Symbol - A - B ## Circuit Diagram +5V - A - P - 02 - 1KSΩ ## Truth Table | Inputs | Outputs | |---|---| | A | B | Y=A+B | | 0 | 0 | 0 | | 0 | 1 | 1 | | 1 | 0 | 1 | | 1 | 1 | 2 | ## Voltage Verification Table | Input in Volts | Output in Volts | |---|---| | A | B | Y=A+B | | 0...

# OR Gate ## Symbol - A - B ## Circuit Diagram +5V - A - P - 02 - 1KSΩ ## Truth Table | Inputs | Outputs | |---|---| | A | B | Y=A+B | | 0 | 0 | 0 | | 0 | 1 | 1 | | 1 | 0 | 1 | | 1 | 1 | 2 | ## Voltage Verification Table | Input in Volts | Output in Volts | |---|---| | A | B | Y=A+B | | 0 | 0 | 0 | | 5 | 0 | 4-35 | | 0 | 5 | 4-38 | | 5 | 5 | 4-40 | # Experiment No. 10 ## Date: 13/11/2024 ## Page No. 35 ## Aim: - To construct a 2 input diode OR gate - To verify its truth table using measurements. ## Components and Equipment: - DC fixed power supply (5v), diode (IN4007), resistor (Ik52), - Soldering gun, tag board, multimeter and connecting wires ## Theory: - Gates are used for logic decisions - OR gate is used to switch on the circuit connected to its output - If any one of the inputs is true, the OR gate gives high (1) output. - If all the inputs are at low (0), the output is low (0) - Logic expression for OR gate Y = A+B ## Procedure: 1. Make the circuit as shown. 2. Switch on the DC power supply and set its voltage to 5V 3. Verify voltage table for four possible conditions of inputs. 4. For each condition, record the output voltage in the table. ## Result: Two input diode OR gate are constructed and their truth table and voltage table are verified. # AND Gate ## Symbol - Symbol ## Circuit Diagram +5V - A - B - 1KSΩ ## Truth Table | Input | Output | |---|---| | A | B | Y=AXB | | 0 | 0 | 0 | | 0 | 1 | 0 | | 1 | 0 | 0 | | 1 | 1 | 1 | ## Voltage Verification Table | Input in Volts | Output in Volts | |---|---| | A | B | Y=A.B | | 0 | 0 | 0.61 | | 0 | 5 | 0.66 | | 5 | 0 | 6.64 | | 5 | 5 | 4.57 | # Experiment No. 11 ## Date: 13/11/2024 ## Page No. 39 ## Aim: - To construct a two input diode AND gate - To verify its truth table using voltage measurements ## Equipment and Components: - DC fried power supply (5v), diode (IN4007), resistor (IK810K), - Soldering gum, tag board, multimeter and connecting wires. ## Theory: - Logic gates are used for making logic decisions in digital electronics - Logic AND gate is used to switch on the circuit connected across its output, only when all the input conditions are made true. - A diode AND gate gives high (1) output if all the inputs are high (1) - If any one input is at low (0), the output is low (0). - Logic expression for AND gate Y=A.B ## Procedure: 1. Make circuit connections of AND gate as shown. 2. Switch on the DC power supply and set its voltage to 5V. 3. Record the output voltage for each combination of input voltages. ## Result: 2 input diode AND gate are constructed and their truth table and voltage table are verified.