Disadvantages of the linear regulator:
Description : what is linear regulator?
Answer : linear regulator video
Description : what are the disadvantages of thyristor?
Answer : Disadvantages of thyristor The silicon controlled rectifier (SCR) is unidirectional devices, so it can control power only in DC power during positive half cycle of AC supply. Thus only DC power is ... cycle. It cannot be used at higher frequencies. The gate current cannot be negative
Description : What is regulator ? State its need.
Answer : A voltage regulator is a circuit or device designed to deliver a constant voltage at its output regardless of changes in ac supply voltage and load current. Need:- A voltage regulator is one ... unexpected result or damage one of the components in the circuit, hence voltage regulator is needed.
Description : Describe the functional pin diagram of regulator IC 78XX and 79XX.
Answer : IC 78XX: Explanation: 78XX series of IC regulators is representative of three terminal devices that are available with several fixed positive output voltages. It has three terminals labeled ... can also use 25μF aluminum electrolytic capacitor. Values given may be increased without limit.
Description : Enlist names of regulator IC’s .
Answer : 1. Fixed Voltage Regulators IC - a. Positive voltage regulator IC’s - 78XX series eg. 7805, 7812 etc. b. Negative voltage regulator IC’s - 79XX series eg. 7905, 7912 etc. 2. Adjustable Voltage Regulator - LM317 is example of positive adjustable voltage regulator.