How are analog signals transmitted?
Analog signals is a method of conveying voice, data, image, signal or video information using a continuous signal which varies in amplitude. For further information, please visit the website http://www.omega.com/literature/transactions/volume2/analogsignal2.html.
Analog signals are transmitted through frequencies. Much like using a cell phone tower, these signals are passed over frequency waves.
Analog signals are actually quite obsolete as of now or not widely used. It is used by radios and other gadgets before and transmits its signals by electrical waves. Here is a link. - http://www.omega.com/literature/transactions/volume2/analogsignal.html
Analog signals can be transmitted either by with the use of frequency modulation or amplitude modulation.