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Chapter 11

Diodes

Il diodo ideale
Il diodo ideale
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 ...
Diodo: polarizzazione diretta
Diodo: polarizzazione diretta
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 ...
Diodo: polarizzazione inversa
Diodo: polarizzazione inversa
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 ...
Diodi Zener
Diodi Zener
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 ...
Modellazione delle caratteristiche dirette dei diodi
Modellazione delle caratteristiche dirette dei diodi
Modeling the forward characteristics of a diode involves analyzing a forward-biased diode circuit. This analysis can be performed using two models: the ...
Modello a diodo a piccolo segnale
Modello a diodo a piccolo segnale
In a diode circuit, a DC bias voltage drives the diode current through a resistor, exhibiting exponential behavior in the current-voltage characteristic ...
Modellazione delle caratteristiche di inversione dei diodi
Modellazione delle caratteristiche di inversione dei diodi
Modeling the reverse characteristics of a diode involves examining a reverse-biased diode circuit. Consider a Zener diode circuit possessing a breakdown ...
Raddrizzatore a semionda
Raddrizzatore a semionda
A diode rectifier circuit converts AC voltage into a unidirectional DC voltage using either half-wave or full-wave configurations. Consider a half-wave ...
Raddrizzatore a onda intera
Raddrizzatore a onda intera
Consider a full-wave rectifier circuit comprising a center-tapped transformer, two diodes in a center-tapped configuration, and a load resistor. The ...
Raddrizzatore a ponte
Raddrizzatore a ponte
The bridge rectifier, vital for converting AC to DC, consists of four diodes arranged in a bridge configuration. This arrangement enables it to rectify ...
Circuito Clipper
Circuito Clipper
A clipper circuit is a wave-shaping tool that uses diodes to modify waveforms. These circuits are common in TVs, radar transmitters, and receivers. ...
Circuito Clamper
Circuito Clamper
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 ...
Circuito duplicatore di tensione
Circuito duplicatore di tensione
Consider a voltage doubler circuit composed of two consecutive sections: a clamping section and a rectifier section. The clamping section comprises a ...
Diodo a barriera Schottky
Diodo a barriera 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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