Darlington Amplifier - Circuit Diagram, Characteristics, Merits and Applications: Darlington amplifier with voltage divider bias is shown in Fig. 19.50. In this circuit the output of one amplifier is coupled…
Stagger Tuned Amplifier - Circuit diagram and its Workings: In order to increase bandwidth, double tuned amplifiers are preferred, but their alignment is difficult. A much better overall response can…
Single Tuned Amplifier - Circuit Operation and Limitations: The circuit arrangements of a single tuned amplifier are given in Figs. 18.9(a) and 18.9(b). The output may be taken either with…
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…
Push Pull Amplifier - Circuit Diagram and its Workings: As we know already that, double-ended or push pull amplifiers makes use of two identical transistors in a single stage. It consists of…
Transformer Coupled Class A Power Amplifier: Transformer Coupled Class A Power Amplifier also sometimes referred to as single ended power amplifier. The term "single ended" (denoting only one transistor) is…
Various Stages in a Practical Power Amplifier and Block Diagram: Power amplifier is meant to amplify a weak signal until sufficient power is available to operate an output device such…