Full Wave Rectifier using Junction Diode

- Introduction:
A full wave rectifier is a circuit that converts an alternating current (AC) input signal into a direct current (DC) output signal. This is achieved by using a combination of diodes to allow both halves of the AC input signal to be used.

- Working Principle:
The full wave rectifier circuit consists of two diodes connected in a "bridge" configuration. During the positive half cycle of the AC input signal, one diode conducts and allows current to flow through the load resistor in one direction. During the negative half cycle, the other diode conducts and allows current to flow through the load resistor in the opposite direction. This results in a DC output signal that is the sum of both halves of the AC input signal.

- Advantages:
1. Produces a smoother output compared to half wave rectifiers.
2. Utilizes both halves of the input signal, increasing efficiency.
3. Provides a higher average output voltage compared to half wave rectifiers.

- Disadvantages:
1. Requires four diodes instead of two.
2. More complex circuit compared to half wave rectifiers.

- Applications:
Full wave rectifiers are commonly used in power supplies, battery chargers, and other electronic devices that require a stable DC power source.

In conclusion, a full wave rectifier using junction diodes is an essential circuit for converting AC input signals into DC output signals efficiently. Its advantages include smoother output, higher efficiency, and higher average output voltage, making it a popular choice in various electronic applications.