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Experiment 10

# Experiment 10 - PURPOSE To study the performance of some...

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PURPOSE: To study the performance of some typical op-amp circuits. PROCEDURE: 1. Assemble to circuit in fig 1 2. Assemble the circuit in Fig 2. 3. Assemble the circuit in Fig 3. 4. Assemble the circuit in Fig 4. 5. Assemble the circuit in Fig 5. 6. Assemble the circuit in Fig 6. 7. Assemble the circuit in Fig 7. FIGURES:

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RESULTS : COMPARATOR (2 Graphs) Does the output change if reduce the input voltage to 0.1V? No. You receive the same output. What is the effect of grounding the + input and connecting the signal to the – input? You get a 180 degree phase shift. FOLLOWER (1 Graph) What is the signal at the output?
What is the input impedance of the circuit? It is zero, or in the ideal sense, infinity (as close to infinity as possible). What happens with a square-wave input? It follows the square wave input just like it follows the sine wave. NON INVERTING AMPLIFIER (1 Graph) What is the signal at the input? What is the signal at the output?

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What is the gain of the amplifier?
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