Comparison of Transistor Configurations

8 years ago

There are three leads in a transistor viz., emitter, base and collector terminals.  However, when a transistor is to be…

Operation of Zener Diode Voltage Regulator

8 years ago

A rectifier with an appropriate filter serves as a good source of d.c. output.  However, the major disadvantage of such…

pi filter Operation

8 years ago

The below Fig shows a typical capacitor input filter or π- filter. It consists of a filter capacitor C1 connected…

Choke Input Filter Operation

8 years ago

The below Fig. shows a typical choke input filter circuit.  It consists of a Choke L connected in series with the…

Capacitor Filter Operation

8 years ago

Capacitor filter.  Fig. shows a typical capacitor filter circuit.  It consists of a capacitor C placed across the rectifier output in…

What is a Filter Circuit ?

8 years ago

Generally, a rectifier is required to produce pure d.c. supply for using at various places in the electronic circuits. However,…

Transistor as Amplifier

8 years ago

A transistor raises the strength of a weak signal and thus acts as an amplifier. The Below Fig shows the basic circuit…

Working of NPN Transistor

8 years ago

The emitter-base junction of a transistor is forward biased whereas collector-base junction is reverse biased. If for a moment, we…

Basics of Transistors

8 years ago

A transistor consists of two pn junctions formed by *sandwiching either p-type or n-type semicon-ductor between a pair of opposite…

Comparison of Half wave Rectifiers and Full wave Rectifiers

8 years ago

Comparison of Half wave Rectifiers and Full wave Rectifiers