full-wave rectifier
Học thuậtThân thiện
Definition
- Noun:
- A type of rectifier: A full-wave rectifier is an electrical circuit component. Its function is to convert alternating current (AC) into direct current (DC). Unlike a half-wave rectifier, it utilizes both the positive and negative halves of the AC input waveform.
Usage
- A full-wave rectifier is used in power supplies to provide a smoother, more constant DC output voltage from an AC source, such as a wall outlet.
- It is a fundamental component in electronic devices that require DC power to operate.
Examples
- Noun:
- The power supply unit uses a full-wave rectifier to convert the household AC to DC for the computer's components.
- For a more efficient conversion with less ripple, engineers often choose a full-wave rectifier over a half-wave design.
Advanced Usage
- In bridge configuration: The most common implementation of a full-wave rectifier is the diode bridge rectifier, which uses four diodes.
- The full-wave rectifier in a bridge configuration effectively inverts the negative portion of the cycle, doubling the output frequency compared to the input.
Variants and Related Words
- Rectifier (n): A general device that converts AC to DC.
- Half-wave rectifier (n): A simpler rectifier that only allows one half of the AC waveform to pass, resulting in a pulsating DC output with more ripple.
- Bridge rectifier (n): A specific circuit arrangement to achieve full-wave rectification.
Synonyms
- Bridge rectifier (when referring to the common four-diode circuit implementation).
Related Concepts
- Ripple voltage: The small residual periodic variation in the DC output after rectification; a full-wave rectifier produces less ripple than a half-wave rectifier.
- Peak inverse voltage (PIV): The maximum voltage a diode in the rectifier must withstand without conducting in the reverse direction.
Noun
- rectifier that converts the negative half wave of an alternating current into a positive half wave