Podcast
Questions and Answers
What type of diode converts an electrical signal into coherent light?
What type of diode converts an electrical signal into coherent light?
- Tunnel Diode
- Laser Diode (correct)
- PIN Diode
- Schottky Diode
Which diode is used as a voltage-controlled resistor in microwave applications?
Which diode is used as a voltage-controlled resistor in microwave applications?
- Tunnel Diode
- Laser Diode
- PIN Diode (correct)
- Schottky Diode
What type of diode exhibits a negative resistance region between points B and C on its characteristic curve?
What type of diode exhibits a negative resistance region between points B and C on its characteristic curve?
- Schottky Diode
- Tunnel Diode (correct)
- PIN Diode
- Laser Diode
Which diode has a metal-to-semiconductor contact and is used primarily in high-frequency applications?
Which diode has a metal-to-semiconductor contact and is used primarily in high-frequency applications?
Which diode has the most common use as lasers?
Which diode has the most common use as lasers?
Which diode has a low forward voltage drop and high efficiency but a low reverse voltage rating?
Which diode has a low forward voltage drop and high efficiency but a low reverse voltage rating?
What determines whether the temperature coefficient of a zener diode is positive or negative?
What determines whether the temperature coefficient of a zener diode is positive or negative?
In what region of operation is a zener diode designed to function?
In what region of operation is a zener diode designed to function?
What is the primary application of a zener diode due to its constant breakdown voltage?
What is the primary application of a zener diode due to its constant breakdown voltage?
What is the zener impedance, ZZ, defined as for a zener diode?
What is the zener impedance, ZZ, defined as for a zener diode?
What is the primary role of zeners in three-terminal regulators?
What is the primary role of zeners in three-terminal regulators?
What is the main purpose of using back-to-back zeners in a circuit?
What is the main purpose of using back-to-back zeners in a circuit?
Which type of diode is designed for limiting the voltage across its terminals in reverse bias?
Which type of diode is designed for limiting the voltage across its terminals in reverse bias?
What is the process of releasing light energy by the recombination of electrons in a semiconductor called?
What is the process of releasing light energy by the recombination of electrons in a semiconductor called?
Which diode emits light when there is a forward current?
Which diode emits light when there is a forward current?
What is the basic unit for producing colored light in an LED display screen?
What is the basic unit for producing colored light in an LED display screen?
In which region of the characteristic curve does a Current Regulator Diode maintain a constant current?
In which region of the characteristic curve does a Current Regulator Diode maintain a constant current?
What type of diode has a single pn junction and conducts current in one direction only?
What type of diode has a single pn junction and conducts current in one direction only?
What are the majority carriers in n-type materials?
What are the majority carriers in n-type materials?
Which region of the diode is characterized by a dramatic increase in reverse current?
Which region of the diode is characterized by a dramatic increase in reverse current?
What is the maximum reverse voltage that prevents a diode from entering the Zener region called?
What is the maximum reverse voltage that prevents a diode from entering the Zener region called?
In which bias condition does a diode change from no-bias to forward-bias?
In which bias condition does a diode change from no-bias to forward-bias?
Which material has an approximate forward bias voltage of 0.7 V?
Which material has an approximate forward bias voltage of 0.7 V?
How does temperature affect the required forward bias voltage for conduction?
How does temperature affect the required forward bias voltage for conduction?
What is the primary difference between conductors and insulators?
What is the primary difference between conductors and insulators?
Why is intrinsic silicon a poor conductor?
Why is intrinsic silicon a poor conductor?
What happens when a few electrons jump into the conduction band in intrinsic silicon?
What happens when a few electrons jump into the conduction band in intrinsic silicon?
How does Antimony change the conductivity of silicon?
How does Antimony change the conductivity of silicon?
Between conductors, insulators, and semiconductors, where do semiconductors fall in terms of conductivity?
Between conductors, insulators, and semiconductors, where do semiconductors fall in terms of conductivity?
Why are holes in intrinsic silicon considered to have mobility?
Why are holes in intrinsic silicon considered to have mobility?
