Voltage Multipliers and Special Purpose Diodes

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What phenomenon did Edison discover in 1883, which is known as the Edison Effect?

One-way electron flow

What is the function of the grid in a triode tube?

Amplifying device

What is the term for a device that allows only a specific range of voltage to pass through, above which it functions as a conductor?

Zener Diode

What type of circuit is used to change the DC level of a signal, shifting it upwards or downwards?

Clamper Circuit Signup and view all the answers

What is the name of the device that converts a low voltage AC signal into a high voltage DC signal?

Voltage Multiplier Signup and view all the answers

What is the term for a device that limits the voltage in a circuit to a specific level, preventing overvoltage?

Clipper Signup and view all the answers

What is the primary function of a voltage multiplier circuit?

To deliver an output voltage whose amplitude is two, three, or more times greater than the amplitude of the input voltage Signup and view all the answers

What is the characteristic of a Zener diode operated in the reverse breakdown region?

The voltage across the diode remains constant over a range of reverse current and nearly equal to its Zener voltage rating Signup and view all the answers

What is the difference between Avalanche Breakdown and Zener Breakdown?

Avalanche Breakdown occurs at high reverse voltages, while Zener Breakdown occurs at relatively low reverse voltages Signup and view all the answers

What is the purpose of a half-wave voltage doubler?

To produce an output voltage whose amplitude is twice that of the input voltage amplitude Signup and view all the answers

What is a special purpose diode that is designed to operate in the reverse breakdown region?

A Zener Diode Signup and view all the answers

Why are the n-type and p-type materials of a Zener diode heavily doped?

To create a very narrow depletion region, resulting in an intense electric field that can pull electrons from their valence bands and create a low reverse voltage Signup and view all the answers

What is the purpose of a clipping circuit in a signal?

To remove the part of a signal that is above or below some defined reference level. Signup and view all the answers

What is a parallel-biased clipper, and what does it do?

A parallel-biased clipper is a circuit that clips the positive and negative going portions of the input signal simultaneously. Signup and view all the answers

What is the main characteristic of a Zener diode that makes it useful in certain applications?

A Zener diode has been optimized for operation in the breakdown region. Signup and view all the answers

What is the function of a clamper circuit, also known as a dc restorer?

A clamper circuit shifts an input signal by an amount defined by an independent voltage source. Signup and view all the answers

What is the significance of the low resistance setting (1K ohm) on a digital multimeter when testing a diode for forward bias?

It allows the multimeter to measure the low resistance of the diode when it is forward-biased. Signup and view all the answers

What does it indicate if a multimeter shows a very high resistance value or OL when testing a diode for reverse bias?

The diode is good and functions properly. Signup and view all the answers