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Stabistors are manufactured using planar epitaxial technology and a typical device is the BAS17, [4] manufactured by several semiconductor companies. [3] [5] Devices are also available with multiple diodes connected in series inside a single package offering higher forward voltages than a single device but lower than those obtained using standard zener diodes.
Stabistors or forward reference diodes The term stabistor refers to a special type of diodes featuring extremely stable forward voltage characteristics. These devices are specially designed for low-voltage stabilization applications requiring a guaranteed voltage over a wide current range and highly stable over temperature.
The negative peaks of the AC waveform are "clamped" to 0 V (actually −V F, the small forward bias voltage of the diode) by the diode, therefore the positive peaks of the output waveform are 2V pk. The peak-to-peak ripple is an enormous 2 V pk and cannot be smoothed unless the circuit is effectively turned into one of the more sophisticated ...
The electrons and holes travel in opposite directions, but they also have opposite charges, so the overall current is in the same direction on both sides of the diode, as required. The Shockley diode equation models the forward-bias operational characteristics of a p–n junction outside the avalanche (reverse-biased conducting) region.
Each input of a diode logic gate connects through a diode connected to a shared wired logic output. Depending on the voltage level of each input and direction of the diode, each diode may or may not be forward-biased. If any are forward-biased, the shared output wire will be one small forward voltage drop within the forward-biased diode's input.
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Zener diodes are also frequently used to provide a reference voltage of moderate stability and accuracy, useful for many electronic devices. An avalanche diode displays a similar stable voltage over a range of current. The most stable diodes of this type are made by temperature-compensating a Zener diode by placing it in series with a forward ...
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