Constant Current Limiting Circuit

Constant Current Limiting Circuit: A block of series regulation using simple Constant Current Limiting Circuit is shown in the Fig. 2.119. It is also called short circuit protection circuit as…

Continue Reading Constant Current Limiting Circuit

Protection Circuits in Regulators

Protection Circuits in Regulators: Protection Circuits in Regulators- The series regulator using transistors has no short circuit protection. If the load terminals are shorted accidentally then, Large amount of load…

Continue Reading Protection Circuits in Regulators

Negative Voltage Regulator

Negative Voltage Regulator: Connections for getting negative voltage regulator are shown in Fig. 2.116. An external PNP transistor, Q1 is connected. Resistances can be from 1 kΩ to 10 kΩ. If…

Continue Reading Negative Voltage Regulator

Low Voltage High Current Regulator

Low Voltage High Current Regulator: Fig. 2.113 shows the Low Voltage High Current Regulator Circuit. Output voltage from +2 to +7 V and load current can be more than 150…

Continue Reading Low Voltage High Current Regulator

IC 723 Voltage Regulator

IC 723 Voltage Regulator: The popular general purpose precision regulator is IC 723. It is a monolithic linear integrated circuit in different physical packages. The pin diagram of IC 723…

Continue Reading IC 723 Voltage Regulator

Astable Multivibrator using 555 Timer IC

Astable Multivibrator Using IC 555: Fig. 2.105 shows the operation of Astable Multivibrator using 555 Timer IC. The threshold input is connected to the trigger input. Two external resistances RA,…

Continue Reading Astable Multivibrator using 555 Timer IC