analog definition electronics
English Wikipedia - The Free Encyclopedia. Analogue electronics (or analog in American English) are electronic systems with a continuously variable signal, in contrast to digital electronics where signals usually take only two levels. The term analogue describes the proportional relationship between a signal and a voltage or current that represents the signal.
analog - of a circuit or device having an output that is proportional to the input; analogue device; linear amplifier. analogue, linear. electronics - the branch of physics that deals with the emission and effects of electrons and with the use of electronic devices.