What are the advantages and disadvantages of analog modulation?

Analog modulation, as a form of modulation in communication systems, has both advantages and disadvantages. Here are some points gathered from the search results:

Advantages of Analog Modulation:

Flexible Bandwidth: Analog modulation supports a wide range of bandwidth options, allowing for flexibility in signal transmission [1].

Fault Resolution: Analog modulation can effectively resolve fault components in a streamlined manner, making it easier to identify and troubleshoot issues [1].

Enhanced Lifespan: Analog modulation systems generally have a longer lifespan, as they have been widely used in traditional radios and older cellular networks [2].

Simple to Manage: Analog modulation can be managed using mathematical techniques, making it relatively straightforward to handle and manipulate the signals [1].

Disadvantages of Analog Modulation:

Spectrum Inefficiency: Analog modulation, particularly analog radio transmission, is not efficient in utilizing the available spectrum. Digital modulation, along with error correction techniques, can transmit much more information within a limited bandwidth [2].

Limited Information Capacity: Analog modulation is not capable of carrying as much information as digital modulation techniques. Digital modulation allows for greater data rates and improved signal quality [2].

Susceptibility to Noise: Analog signals are more susceptible to noise and interference, which can degrade the quality of the transmitted information. Digital modulation provides better error correction capabilities, resulting in improved resistance to noise [3].

In summary, analog modulation offers advantages such as flexible bandwidth, fault resolution capabilities, an enhanced lifespan, and ease of management. However, it suffers from spectrum inefficiency, limited information capacity compared to digital modulation, and susceptibility to noise.

References:

[1] "Apr 29, 2020 ·  Advantages and Disadvantages of AM Transmission. Both the modulation types are with certain limitations, advantages, and disadvantages. Few of to be discussed are as below: Advantages. Supports flexible bandwidth ranges; Resolve fault components in a streamlined manner; Enhanced lifespan; Simple to manage using mathematical ..."              

URL: https://www.watelectronics.com/what-is-analog-modulation-types-its-applications/

[2] "2.4.4 Analog Modulation Summary. Analog modulation was used in the first radios and in 1G cellular radios. Radio transmission using analog modulation, i.e. analog radio, has almost ceased as it does not use spectrum efficiently. Digital modulation along with error correction, can pack much more information in a limited bandwidth."

URL:https://eng.libretexts.org/Bookshelves/Electrical_Engineering/Electronics/Microwave_and_RF_Design_I_-_Radio_Systems_(Steer)/02%3A_Modulation/2.04%3A_Analog_Modulation

[3] "Dec 21, 2020 ·  Advantages of Analog Signals : Here, are pros/benefits of Analog Signals. It is Easier in processing. Analog Signals are best fitted to audio and video transmission. It has a coffee cost and is portable. It posses higher density. Not necessary in Analog Signals to shop for a replacement graphics board. It Uses less bandwidth than ..."

URL: https://www.geeksforgeeks.org/advantages-and-disadvantages-of-analog-signals/