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Operation of Zener Diode Voltage Regulator
A rectifier with an appropriate filter serves as a good source of d.c. output. However, the major disadvantage of such ... -
pi filter Operation
The below Fig shows a typical capacitor input filter or π- filter. It consists of a filter capacitor C1 connected ... -
Choke Input Filter Operation
The below Fig. shows a typical choke input filter circuit. It consists of a Choke L connected in series with the ... -
Capacitor Filter Operation
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 ?
Generally, a rectifier is required to produce pure d.c. supply for using at various places in the electronic circuits. However, ... -
Transistor as Amplifier
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
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
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
Comparison of Half wave Rectifiers and Full wave Rectifiers -
Transistor Biasing
The below Figure shows a bias arrangement for both npn and pnp BJTs for operation as an amplifier. Notice that in ...