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Question & Answer
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A higher CMRR allows the voltage follower to accurately replicate the input voltage while minimizing the effect of common-mode signals.
A lower CMRR increases the output voltage beyond the input voltage in a voltage follower.
CMRR does not affect the performance of a voltage follower since it only operates in a non-inverting configuration.
The CMRR directly determines the gain of the voltage follower in a non-inverting amplifier.
Understanding the Answer
Let's break down why this is correct
CMRR tells the op amp how well it can ignore signals that are common to both inputs. Other options are incorrect because Low CMRR does not make the output higher than the input; Even though a follower is a non‑inverting circuit, it still sees common‑mode voltage.
Key Concepts
Internal Components of Op-Amps
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Definition
Op-amps consist of multiple transistors that enable amplification and signal processing. The number of transistors varies by model, with typical op-amps containing several transistors to achieve the desired operational characteristics.
Topic Definition
Op-amps consist of multiple transistors that enable amplification and signal processing. The number of transistors varies by model, with typical op-amps containing several transistors to achieve the desired operational characteristics.
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