Rectification is the process of converting alternating current or voltage into direct current or voltage. An uncontrolled rectifier uses only diodes as the rectifying elements.
A single-phase, half-wave rectifier is not very practical due to its low average output voltage, poor efficiency, and high ripple factor.
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This is the circuit diagram of a simple UPS that can deliver 12V unregulated and 5V regulated DC. The transformer T1 steps down the mains voltage to 12V AC and then the bridge B1 rectifies it.
Some time disturbance of power supply creates a number of problems. Especially in sensitive departments such as Radar System, Hospitals, Telephone exchanges and industries etc.
An Inverter is a device that converts 12 volts dc to 120 volts ac, which is what we use in our homes. This project will handle about 300 watts, which is perfect for lights, small T.V.'s and radio
Transformer is a magnetic circuit whose name is derived from its ability to transform (i.e. change) the magnitude of an AC voltage applied to it
The transistor is used to amplify the weak signal a CE amplifier connection is shown in below figure.
Zener diodes are used to maintain a fixed voltage.
In voltage multiplier circuit two or more peak rectifiers are cascaded to produce a d.c voltage equal to multiplier of the peak input voltages Vp i.e., 2Vp,
Triode is a vacuum tube with three electrodes which are cathode, Anode and a control grid.
A Vacuum tube diode is a two electrode vacuum tube as its name shows DI for two ODE for electrodes. The two electrodes are cathode and anode (plate).