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Resistor in series
Resistors are said to be connected in series, when they are daisy chained together in a single line. The current in a series circuit goes through every component in the circuit.…
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Resistor in parallel
Resistors are said to be connected together in parallel when both of their terminals are respectively connected to each terminal of the other resistor or resistors. In a parallel circuit,…
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How transistor shunt regulator is work?
The above figure shows the circuit diagram of transistor shunt regulator where the transistor is connected in shunt (parallel) with the load hence the circuit is called transistor shunt…
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Block diagram of transistor shunt voltage regulator
The block diagram of transistor shunt voltage regulatoris shown in above figure. The transistor shunt voltage regulator is a control element connected in parallel with the load due to…
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Zener diode as a voltage regulator
When the zener diode is operated in reverse biased condition at breakdown voltage, the reverse resistance drops to a very low value and the effort of a rapid resistance in…
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Application of zener voltage regulator
There are some important applications of zener voltage regulator are given below, The zener voltage regulator is used in the emitter follower regulator. It is used with a small load…
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Advantages and disadvantages of zener diode shunt regulator
There are some advantages of zener diode shunt regulator are given below, The zener diode shunt is very economic as it is of low cost. It requires only two or…
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Advantages and disadvantages of a transistor shunt regulator
There are some advantages of transistor shunt regulator are given below, The transistor shunt regulator has a good efficiency for small load currents. It has ease to reject short circuit.…
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What is a trimmer capacitor?
It is a variable capacitor which has the facility to vary its capacitance value, but frequently once variation is sufficiently, it is known as the trimmer capacitor. It is also…
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IC 555 timer (integrated circuit )
The 555 timer IC is an integrated circuit which is used in variety of timer, pulse generations and oscillators applications. The IC 555 timer got its name by three 5kΩ…