VOLTAGE FOLLOWER
Voltage follower: Boosts signal strength without altering voltage, ideal for delicate measurements.
Voltage Follower
- A voltage follower is an op-amp circuit whose output voltage is equal to the input value (it "follows" the input voltage).
- As a result, a voltage-follower op-amp has a voltage gain of one and fails to improve the input signal.
- The voltage follower does not offer attenuation or amplification; it only serves as buffering.
- The input impedance of a voltage-follower circuit is quite high.
- Because of this property, it is a common option in a wide range of circuits that require isolation between the input and output signals.
- It is important to remember that Ohm's rule supports a voltage follower.
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