Radio Communication System - Block Diagram and types: Radio communication is very popular technique of communicating a message. The radio waves are electromagnetic waves produced due to escape of electrical…
Transistor Detector Circuit Working Principle: It is possible to achieve amplitude demodulation by using a three-element electronic device. A typical example of such a configuration is illustrated in Fig. 22.51.…
Amplitude Detection Process: Amplitude Detection - The process of demodulation demands that the modulated wave has some definite average value and the carrier wave is separated out. Hence in demodulation…
Generation of DSBSC Signal using Balanced and Ring Modulator: DSBSC signal can be obtained by simply multiplying the modulating signal with the carrier signal. By simple multiplication of Vc sin ωct…
Square Law Diode Modulator - Circuit Diagram and its V-I Characteristics: Basic circuit of a square law diode modulator is shown in Fig. 22.30. It utilizes the nonlinear region of…
Classification of Communication: There are two basic classification of communication systems, baseband systems and passband systems. In baseband systems, the signal is transmitted without modifying the frequency content. A simple…
Fet Tuned Amplifier - Circuit Diagram and Frequency Response: Figure 18.11(a) depicts the circuit of an FET tuned amplifier. It uses a first-order JFET model for the 2N 5484 [IDSS…
Class D Power Amplifiers - Circuit Diagram, Operation and Applications: Historically, audio amplifiers have been configured as class A, class B or class AB and the art of design is…