A radio frequency (RF) signal generator is used in generating high frequency signals at a specific frequency for testing laboratories.…
FM receivers employ heterodyne principle. The FM broadcast signals lie in the frequency range between 88 MHz and 108 MHz.…
The Answers have been provided at the end of Questions. Q1. What is the approximate bandwidth of radio frequency (RF)…
Demodulation is the process of recovering the audio signal from the modulated wave. Demodulation is also known as detection in…
Introduction Modulation is the process of changing some characteristics (e.g. Amplitude, Frequency, or Phase) of a carrier wave in accordance…
The display of electromagnetic radiation as a function of wavelength is termed to as electromagnetic spectrum. Based upon the wavelengths,…
Photons are the elemental units of electromagnetic spectrum. For example, white light is composed of a number of different kinds…
Radio communication is the radiation of radio waves by the transmitting station, the propagation of these waves through the space…
In radio transmission, it is necessary to send audio signal e.g. music, speech, etc. from a broadcasting station over great…
Communication is the process of transferring information from one place to another. The information that is generated at the source…
