Question

Operational Amplifier as a Comparator The Op-amp comparator compares one analogue voltage level with another analogue voltage level, or some preset reference voltage and produces an output signal based on this voltage comparison. In other words, the op-amp voltage comparator compares the magnitudes of two voltage inputs and determines which is the largest of the two. 1. Construct the circuit seen in the figure below in LTspice. 5V 3 + 6 Vout Vin 2 AD8541 2.5V 2. Configure the values of Vin to the following: Pulse (0.5 3 0 1m 1m 0 2m) 3. Simulate the design using a Transient Response with a stop time of 10ms. 4. Plot the Waveform for the configuration on the space provided.

          Operational Amplifier as a Comparator
The Op-amp comparator compares one analogue voltage level with another analogue voltage level,
or some preset reference voltage and produces an output signal based on this voltage comparison.
In other words, the op-amp voltage comparator compares the magnitudes of two voltage inputs and
determines which is the largest of the two.
1. Construct the circuit seen in the figure below in LTspice.
5V
3
+
6
Vout
Vin
2
AD8541
2.5V
2. Configure the values of Vin to the following: Pulse (0.5 3 0 1m 1m 0 2m)
3. Simulate the design using a Transient Response with a stop time of 10ms.
4. Plot the Waveform for the configuration on the space provided.

Operational Amplifier as a Comparator
The Op-amp comparator compares one analogue voltage level with another analogue voltage level,
or some preset reference voltage and produces an output signal based on this voltage comparison.
In other words, the op-amp voltage comparator compares the magnitudes of two voltage inputs and
determines which is the largest of the two.
1. Construct the circuit seen in the figure below in LTspice.
5V
3
+
6
Vout
Vin
2
AD8541
2.5V
2. Configure the values of Vin to the following: Pulse (0.5 3 0 1m 1m 0 2m)
3. Simulate the design using a Transient Response with a stop time of 10ms.
4. Plot the Waveform for the configuration on the space provided.

Added by Nicole M.

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