Varistors or Voltage Dependent Resistors (VDRS): Varistors, also called the voltage dependent resistors (VDRs), show a high degree of nonlinearity between their resistance value and the applied voltage. They are made of non-homogeneous materials giving…
Ideal Transformer on Load: Transfer of energy from one circuit to another circuit through mutual induction is widely utilized in power systems. This purpose is served by Ideal Transformer on Load. Most often they transform…
Single Input Balanced Output Differential Amplifier: In a single input balanced output differential amplifier an input signal is applied to either input, with the other input connected to ground. However, due to the common-emitter connection…
Quality Factor of Parallel RLC Circuit: Consider the Quality Factor of Parallel RLC Circuit shown in Fig. 8.16. In the circuit shown, the condition for resonance occurs when the susceptance part is zero. Admittance The…
Zener Diode Voltage Regulator Circuit: Regulator Circuit With No Load - The most important application of Zener Diode Voltage Regulator Circuit is dc voltage regulator circuits. These can be the simple regulator circuit shown in…
Operational Amplifier Applications: The countless simple circuits using one or more operational amplifiers, some external resistors and the capacitors can be constructed. Such Operational Amplifier Applications are classified as Linear applications of op amp Non…
Fibre Optic CRT Recording Oscilloscope: Fibre Optic CRT Recording Oscilloscope - The familiar CRT oscilloscope has an extremely HF response, but permanent records, normally photography of the screen, cannot be taken, since they are time…
Numerical Solution of Swing Equation: Numerical Solution of Swing Equation - In most practical systems, after machine lumping has been done, there are still more than two machines to be considered from the point of…
Two Stage Differential Amplifier with Negative Feedback: The circuit shown in Fig. 13-20 has a Two Stage Differential Amplifier with Negative Feedback with npn BJTs, and a direct-coupled pnp transistor differential amplifier second stage. The…
Design of Controllers for Linearly Varying Inputs: The Design of Controllers for Linearly Varying Inputs discussed in the foregoing sections are for the step input. The performance has been found to depend very much upon…
