Butterworth Approximation: Butterworth Approximation - In low-pass filter design, we have to assume that all transmission zeros of the system function are at infinity. Then the magnitude function in general…
Normalized Low Pass Filter Characteristics: Normalized Low Pass Filter Characteristics - The passive filters are the filters consisting only passive components such as resistors, inductors, capacitors. These classical filters are…
Realisability of One Port Network: Realisability of One Port Network - Consider the network function H(s) which is the ratio of Laplace transform of the output R(s) to the Laplace…
Pole Zero Plot: Pole Zero Plot - The variable s is a complex variable. Hence a complex plane is required to indicate the values of s graphically. A complex plane…
DC Circuit Breaker: Light duty DC Circuit Breaker have been in use since long. However, with the latest developments in HVDC transmission there would naturally be the necessity of the…
Transistor Use in Static Relay: Transistor Use in Static Relay - In its simplest form, it consists of two pn junction diodes coupled together by a very thin common base,…
Motor Protection: Motor Protection - There is a wide range of motors in existence for various purposes. However, the fundamental problems affecting the choice of protection are independent of the…
Power Factor Improvement Methods: There are many drives which operate at a low power factor. Some of Power Factor Improvement Methods are: An induction motor direct on line. ac-dc diode…