reflex circuit


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reflex circuit

[′rē‚fleks ‚sər·kət]
(electronics)
A circuit in which the signal is amplified twice by the same amplifier tube or tubes, once as an intermediate-frequency signal before detection and once as an audio-frequency signal after detection.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The spinal stretch reflex circuit provides the CNS with a method for monitoring irregularities in movement trajectories across a range of muscle lengths and forces, (7) which allows for movement correction and assists in injury prevention.
There are a multitude of reflex circuits, such as the tendon jerk reflex: tapping the knee with a hammer makes the leg straighten.
This procedure, which evolved from work in the late nineteenth century, is based on the assumption the spasticity results from loss of the moderating influences of nerves from the brain on the spinal cord's many reflex circuits. SDR can permanently relieve spasticity in the legs.