One variety of this device is often used in precision voltage references due to its well-defined breakdown voltage upon reverse biasing, while the Esaki variety operates on the principle of quantum tunneling and the Gunn type is used in high-frequency oscillators.
Placing two of these elements in parallel with opposite polarity in the inverting feedback loop of an op-ampt provides a mechanism for trimming the corners from a square wave. One variety of this device is often used in precision voltage references due to its well-defined breakdown voltage upon reverse biasing, while the Esaki variety operates on the principle of quantum tunneling and the Gunn type is used in high-frequency oscillators. Consisting of a single PN-junction and existing in such varieties as Schottky and Zener, for ten points, identify this circuit element which allows the passage of current in one direction, but not the other, and which also exist in light- emitting varities.
Placing two of these elements in parallel with opposite polarity in the inverting feedback loop of an op-ampt provides a mechanism for trimming the corners from a square wave.
{diode}