Introduction to Communication Systems
Electronic communication allows transmission of messages using telephones, computers, smart phones and fax machine etc. People can easily share conversation, picture, image, sound, graphics, video, maps, and software through wire, electromagnetic energy and radio systems. Electronic communications lets you combine numerous media – text, graphics sound, video, etc. – into a single message.
Various topics that are covered in this category are:
- Analog communication basics
- AM (Amplitude Modulation)
- FM (Frequency Modulation)
- PM(Phase Modulation)
- Pulse communication systems
Modulation Index | Frequency Deviation | Carrier Swing | FM
Some important terms related to FM are given below:
Read moreMathematical representaion of FM
Modulation is the process by which some characteristic of the carrier is varied in accordance with modulating (input) signal. FM
Read moreAmplitude Modulation (AM) Mathematical Derivation
Modulation definition: Modulation is the process by which some characteristic (amplitude, frequency, or phase) of the carrier is changed according
Read moreWhat is modulation and demodulation
Modulation Modulation is an activity or process that takes place in TRANSMITTER section of a communication system. Modulation is the
Read moreUnguided Transmission Media
Unguided transmission unguided transmission media do not use any physical connection between source and destination. They use air or free-space
Read moreTypes Communication Channels
Types Communication Channels The Channel provides the electrical connection between the source and destination. It is a physical path between
Read moreSignal Bandwidth vs Channel Bandwidth
BANDWIDTH Bandwidth is the difference between upper and lower frequency limits of the signal It is defined as the range
Read moreFrequency, Wavelength and Phase of a signal
Frequency (f) Frequency is defined as the number of cycles completed by the wave in one second i.e., number of
Read moreAnalog versus Digital Communications
Analog versus Digital Communications Analog signal is a continuous signal and takes infinite number of amplitude values. Note that ‘Majority
Read moreAnalog versus Digital signals
ANALOG – DIGITAL SIGNALS There are two types of signals analog and digital. All naturally available signals are analog in
Read moreImportance of Electronic Communications
Communication Communication is the process of establishing connection (or link) between two points for information exchange. It is a process
Read moreIntroduction to Communication Systems
Electronic Communication Communication is the process of exchanging information. The basic components of a communication system are: Source, transmitter, channel,
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