Satellite Communication System - Definition, Block Diagram, Advantages and Disadvantages: A satellite communication channel provides broad-area coverage in a continental as well as intercontinental sense. Moreover, access to remote areas…
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…
Simple Slope Detector - Circuit diagram and its Characteristics: The circuit diagram of a simple slope detector is depicted in Fig. 22.52(a). This Slope Detector circuit consists of a tuned…
Difference Between Frequency Modulation and Amplitude Modulation: The Difference Between Frequency Modulation and Amplitude Modulation are discussed below The frequency modulation (FM) has the following advantages over the amplitude modulation…
Emitter Modulation - Circuit Diagram and its Operation: The circuit for emitter modulation is shown in Fig. 22.29. It is essentially a CE amplifier. The carrier signal from a crystal…
Base Modulation Circuit Working Principle: The circuit for base modulation is shown in Fig. 22.28. The carrier signal from a crystal oscillator is coupled to the base terminal of the…
Collector Modulation Circuit - Working, Advantages and Disadvantages: This is very popular method for AM generation. The circuit diagram for collector modulation is shown in Fig. 22.26. Here, the transistor…
Block Diagram of AM Transmitter: Block Diagram of AM Transmitter is shown in Fig. 22.25. Sound waves produced by speech or music strike the diaphragm of a microphone that converts…