Analog signal facts | Factolex - the fact lexicon | short and concise explanations

i.e analogous to another time varying signal

created by factobot on November 24, 2008
It differs from a digital signal in that small fluctuations in the signal are meaningful

created by factobot on November 24, 2008
usually thought of in an electrical context; however, mechanical, pneumatic, hydraulic, and other systems may also convey analog signals

created by factobot on November 24, 2008
Essentially an analogue signal can be thought of as a simulation or duplication of one continuous time varying quantity in another, possibly different, time varying quantity

created by factobot on November 24, 2008
It is then a mapping of one time varying quantity to another, often with the intent of recording or transmitting information about the former within the medium of the latter

created by factobot on November 24, 2008
The primary disadvantage of analog signaling is that any system has noise - i.e., random unwanted variation

created by factobot on November 24, 2008
Another method of conveying an analog signal is to use modulation

created by factobot on November 24, 2008
a variable signal continuous in both time and amplitude (as opposed to digital or discrete, e.g. analog wristwatch vs digital wristwatch)

created by factobot on November 24, 2008

Do you know more? Submit a new fact

Fact	Example: located on the west coast of the U.S
Source
Tags optional	Example: geography location -- separate tags with spaces
Meaning	Click this checkbox if your fact describes another meaning of Analog signal.Add this fact to a new term Analog signal that will have following tags:

Analog signal
has 3 synonyms ↓
Analgoue signal
Analog
Analogue signal
Suggest another synonym or correct a wrong one