Active Filters Interview Questions and Answers: 1. What is meant by ‘frequency response’ of a filter? Ans. A graph of the magnitude of the gain versus frequency is called a frequency…
Frequency Response of Common Mode Gain of Differential Amplifier: Low values of common-mode gain are desirable so that the circuit can reject undesirable signals that are applied equally to both…
Double Differentiation - Derivation: Two R-C coupling networks in cascade separated by an ampliÂfier A is shown in Fig. 29.36 (a). The amplifier A is to operate as a linear…
Diode Clipping Circuit - Types and Applications: Diode Clipping Circuit - For a clipping circuit at least two components—an ideal diode and resistor are required and sometimes a dc battery…
Current Components in PN Junction Diode: A Current Components in PN Junction Diode with a forward bias with an external voltage V is shown in Fig. 7.12 (a). Due to…
Zero bias PN junction: Zero bias PN junction - Here we will examine the properties of the step junction in thermal equilibrium, where no currents exist and no external excitation…
Thyratron Working Principle: Thyratron is a hot cathode gas filled triode. Normally it is filled with a small amount of inert gas such as argon, hydrogen, neon or mercury vapour.…
Vacuum Triode, Construction and Working: Construction of Vacuum Triode - The construction and the schematic symbol used for a vacuum triode are illustrated in Fig. 5.8. It, as the name…