Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Voltage gain represents how much an amplifier increases an input voltage signal and is usually expressed as a ratio or in decibels (dB).
Related terms
Amplifier: An amplifier is an electronic device that increases the amplitude of an input signal to produce a larger output signal.
Gain Bandwidth Product: The gain bandwidth product represents the product of voltage gain and bandwidth, indicating the frequency range over which an amplifier can provide a specified level of gain.
Operational Amplifier (Op-Amp): An operational amplifier is a high-gain electronic device used in various applications, such as amplification, filtering, and mathematical operations.