A **phase splitter** is a circuit used to generate two output signals that are equal in amplitude but opposite in phase (i.e., 180° out of phase with each other) from a single input signal.
### **Functions of a Phase Splitter:**
1. **Balanced Signal Generation** – It converts a single-ended signal into a balanced (differential) signal, which is useful in applications like audio amplifiers and communication systems.
2. **Push-Pull Amplifier Operation** – Phase splitters are often used in push-pull amplifier stages (such as in tube amplifiers or transistor-based power amplifiers) to drive two transistors or tubes with opposite-phase signals, improving efficiency and reducing distortion.
3. **Noise Reduction** – Balanced signals created by a phase splitter help cancel out noise and interference, especially in long transmission lines.
### **Types of Phase Splitters:**
1. **Resistor-Capacitor (RC) Phase Splitter** – Uses a resistor and capacitor to shift the phase by 180°.
2. **Transformer Phase Splitter** – Uses a center-tapped transformer to create two opposite-phase signals.
3. **Long-Tailed Pair (LTP) Phase Splitter** – A transistor or tube-based differential amplifier circuit that generates opposite-phase outputs.
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