positive feedback

views updated May 17 2018

pos·i·tive feed·back • n. chiefly Biol. the enhancement or amplification of an effect by its own influence on the process that gives rise to it. ∎  Electr. the return of part of an output signal to the input, which is in phase with it, so that the amplifier gain is increased and the output is often distorted.

positive feedback

views updated May 14 2018

positive feedback In a system, the mechanism by which a process intensifies or accelerates, as each cycle of operation establishes conditions that favour a repetition. Unless checked, positive feedback may lead to loss of control within the system and its eventual failure. Compare NEGATIVE FEEDBACK.

positive feedback

views updated May 29 2018

positive feedback In a system, the mechanism by which a process intensifies or accelerates, as each cycle of operation establishes conditions that favour a repetition. Unless checked, positive feedback may lead to loss of control within the system and its eventual failure. Compare negative feedback.

positive feedback

views updated May 23 2018

positive feedback See feedback.