If the temperature is below setpoint, the output will be on longer; if the temperature is too high, the output will be off longer. The third controller type provides proportional with integral and derivative control, or PID.
Amplifier figures of merit. In electronics, the figures of merit of an amplifier are numerical measures that characterize its properties and performance. Figures of merit can be given as a list of specifications that include properties such as gain, bandwidth, noise and linearity, among others listed in this article. Figures of merit are important for determining the suitability of a particular amplifier for an intended use.
Figure-Ground Perception. Figure-ground perception is the ability to focus on one specific piece of information in a busy background. Visual figure-ground is the ability to see an object in a busy background; while auditory figure-ground helps a child pick out a voice or sound from a noisy environment. This article deals with the visual perceptual skill and offers some activity ideas to inspire parents and teachers!