What is a Power Converter? Solid-state power converter are employed for obtaining the appropriate form of electrical energy such as direct current or adjustable-frequency alternating current (required to operate most…
Power BJT - Construction, Operation and its Characteristics: Power transistors are large-area devices. Because of differences in geometry and doping concentrations, their properties tend to vary from those of the…
Operation and Power Control of Cellular Systems: In this section, let us describe the operation of the cellular mobile system from a customer's perception without touching on the design parameters.…
Large Signal Tuned Amplifier - Operation and its Equivalent Circuit: Tuned amplifier circuits are for class A operation and their use is limited to applications in which RF signal has…
Tuned Amplifiers - Definition, Classification and Advantages: Amplifier amplifying a signal of specific frequency or narrowband of frequencies is known as tuned amplifier. Tuned amplifiers are mostly employed for amplification…
Quasi Complementary Push Pull Amplifier: In practical power amplifier circuits, it is preferable to employ NPN transistors for both high-current output devices. As the push-pull connection needs complementary devices, a…
Complementary Symmetry Push Pull Amplifier: The use of transformers, at input as well as at output ends, in the push-pull amplifier shown in Fig. 17.25 makes it bulky and expensive…
Class AB Push Pull Amplifier - Circuit Diagram, Operation and Drawbacks: The basic circuit of class AB push-pull amplifier is the same as that of class A push-pull amplifier shown…