Chapter 3
Radio Frequency Components, Measurements, and Mathematics
In this chapter, you will learn about the following:
Components of RF communications
Transmitter
Receiver
Antenna
Isotropic radiator
Intentional radiator (IR)
Equivalent isotropically radiated power (EIRP)
Units of power and comparison
Watt
Milliwatt
Decibel (dB)
dBi
dBd
dBm
Inverse square law
RF mathematics
Rule of 10s and 3s
Noise floor
Signal-to-noise ratio (SNR)
Received signal strength indicator (RSSI)
Link budget
Fade margin/system operating margin
To put it simply, data communication is the transferring of information between computers. No matter what form of communication is being used, many components are required to achieve a successful transfer. Before we look at some ...
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