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Chapter 11

Diodes

La diode idéale
La diode idéale
An ideal diode is a nonlinear circuit element with the anode as its positive terminal and the cathode as its negative terminal. When a negative voltage is ...
Diode : Polarisation directe
Diode : Polarisation directe
A diode is forward-biased when its p-type region is connected to the positive terminal of the supply voltage and its n-type region is connected to the ...
Diode : Polarisation inverse
Diode : Polarisation inverse
A diode is reverse-biased when its n-type region is connected to the positive terminal of the supply voltage and its p-type region is connected to the ...
Zener Diodes
Zener Diodes
Like regular diodes, a Zener diode allows current to flow in forward-bias and blocks current in reverse bias. However, if the reverse bias voltage exceeds ...
Modélisation des caractéristiques directes des diodes
Modélisation des caractéristiques directes des diodes
Modeling the forward characteristics of a diode involves analyzing a forward-biased diode circuit. This analysis can be performed using two models: the ...
Modèle de diode à petit signal
Modèle de diode à petit signal
In a diode circuit, a DC bias voltage drives the diode current through a resistor, exhibiting exponential behavior in the current-voltage characteristic ...
Modélisation des caractéristiques inverses des diodes
Modélisation des caractéristiques inverses des diodes
Modeling the reverse characteristics of a diode involves examining a reverse-biased diode circuit. Consider a Zener diode circuit possessing a breakdown ...
Redresseur demi-onde
Redresseur demi-onde
A diode rectifier circuit converts AC voltage into a unidirectional DC voltage using either half-wave or full-wave configurations. Consider a half-wave ...
Redresseur pleine onde
Redresseur pleine onde
Consider a full-wave rectifier circuit comprising a center-tapped transformer, two diodes in a center-tapped configuration, and a load resistor. The ...
Pont redresseur
Pont redresseur
The bridge rectifier, vital for converting AC to DC, consists of four diodes arranged in a bridge configuration. This arrangement enables it to rectify ...
Clipper Circuit
Clipper Circuit
A clipper circuit is a wave-shaping tool that uses diodes to modify waveforms. These circuits are common in TVs, radar transmitters, and receivers. ...
Circuit de serrage
Circuit de serrage
A clamper circuit consists of a time-varying input signal, a capacitor, and a diode. The output voltage is measured across the diode. During the negative ...
Circuit de doubleur de tension
Circuit de doubleur de tension
Consider a voltage doubler circuit composed of two consecutive sections: a clamping section and a rectifier section. The clamping section comprises a ...
Diode barrière Schottky
Diode barrière Schottky
Schottky barrier diodes are semiconductor devices formed by joining a metal layer with a moderately doped n-type semiconductor material. When a metal ...
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