Which amplifier configuration provides more voltage gain than common emitter or common collector?

The common base amplifier configuration provides a significant voltage gain and is known for its ability to amplify voltage more effectively than common emitter and common collector configurations under certain conditions. This is primarily because the common base amplifier has a lower input impedance and a higher output impedance, which allows it to deliver a higher voltage gain at high frequencies.

Additionally, unlike the common emitter and common collector configurations, which are subject to phase shifts and limited bandwidth, the common base design maintains a more stable gain across a wider frequency range, adding to its effectiveness for voltage amplification purposes. This makes it particularly useful in applications such as radio frequency (RF) amplification, where high gains are often needed.

The other configurations, such as the common emitter and common collector, while popular and versatile, typically do not achieve the same level of voltage gain as the common base amplifier, which is why the common base configuration is recognized for its superior performance in this regard.