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Questions and Answers
What is the main advantage of a MOSFET compared to bipolar transistors?
What is the main advantage of a MOSFET compared to bipolar transistors?
- Requires almost no input current to control the load current (correct)
- Can handle higher temperatures without degradation
- Has a longer lifespan
- Provides faster response time
What does the voltage applied to the gate terminal do in an enhancement mode MOSFET?
What does the voltage applied to the gate terminal do in an enhancement mode MOSFET?
- Sustains the existing conductivity of the device
- Increases the conductivity of the device (correct)
- Has no effect on the device's conductivity
- Reduces the conductivity of the device
Which material can be used as the gate material in a MOSFET, despite the name 'metal' in MOSFET?
Which material can be used as the gate material in a MOSFET, despite the name 'metal' in MOSFET?
- Steel
- Polysilicon (correct)
- Copper
- Aluminum
What is the role of the insulated gate in a MOSFET?
What is the role of the insulated gate in a MOSFET?
What is another near-synonym for a MOSFET?
What is another near-synonym for a MOSFET?
Who first patented the basic principle of the field-effect transistor?
Who first patented the basic principle of the field-effect transistor?
Who patented the basic principle of the MOS transistor in 1925?
Who patented the basic principle of the MOS transistor in 1925?
Which semiconductor is usually the semiconductor of choice for MOSFETs?
Which semiconductor is usually the semiconductor of choice for MOSFETs?
Who demonstrated a device that had the structure of a modern MOS transistor in the 1960s?
Who demonstrated a device that had the structure of a modern MOS transistor in the 1960s?
What material is used instead of silicon dioxide for the gate insulator to overcome the increase in power consumption?
What material is used instead of silicon dioxide for the gate insulator to overcome the increase in power consumption?
Which pair of scientists proposed the structure resembling the MOS transistor during their investigation that led to the discovery of the transistor effect?
Which pair of scientists proposed the structure resembling the MOS transistor during their investigation that led to the discovery of the transistor effect?
What prevented dopants from diffusing into the silicon wafer, as discovered by Carl Frosch and L. Derick?
What prevented dopants from diffusing into the silicon wafer, as discovered by Carl Frosch and L. Derick?
Which semiconductor material does not form good semiconductor-to-insulator interfaces for MOSFETs?
Which semiconductor material does not form good semiconductor-to-insulator interfaces for MOSFETs?
Who pointed out several advantages of the modern MOS transistor device, notably ease of fabrication and its application in integrated circuits?
Who pointed out several advantages of the modern MOS transistor device, notably ease of fabrication and its application in integrated circuits?
In what form can complementary pairs of MOS transistors be used to make switching circuits with very low power consumption?
In what form can complementary pairs of MOS transistors be used to make switching circuits with very low power consumption?
What is the main advantage of a MOSFET compared to bipolar transistors?
What is the main advantage of a MOSFET compared to bipolar transistors?
What does the voltage applied to the gate terminal do in an enhancement mode MOSFET?
What does the voltage applied to the gate terminal do in an enhancement mode MOSFET?
Which material can be used as the gate material in a MOSFET, despite the name 'metal' in MOSFET?
Which material can be used as the gate material in a MOSFET, despite the name 'metal' in MOSFET?
What is another near-synonym for a MOSFET?
What is another near-synonym for a MOSFET?
What prevented dopants from diffusing into the silicon wafer, as discovered by Carl Frosch and L. Derick?
What prevented dopants from diffusing into the silicon wafer, as discovered by Carl Frosch and L. Derick?
What is the role of the insulated gate in a MOSFET?
What is the role of the insulated gate in a MOSFET?
What material is usually the semiconductor of choice for MOSFETs?
What material is usually the semiconductor of choice for MOSFETs?
Who demonstrated a device with the structure of a modern MOS transistor in the 1960s?
Who demonstrated a device with the structure of a modern MOS transistor in the 1960s?
What is used instead of silicon dioxide for the gate insulator to reduce power consumption?
What is used instead of silicon dioxide for the gate insulator to reduce power consumption?
Who first patented the basic principle of the MOS transistor in 1925?
Who first patented the basic principle of the MOS transistor in 1925?
Which semiconductor material does not form good semiconductor-to-insulator interfaces for MOSFETs?
Which semiconductor material does not form good semiconductor-to-insulator interfaces for MOSFETs?
Who proposed the structure resembling the MOS transistor during the investigation that led to the discovery of the transistor effect?
Who proposed the structure resembling the MOS transistor during the investigation that led to the discovery of the transistor effect?
What prevented dopants from diffusing into the silicon wafer, as discovered by Carl Frosch and L. Derick?
What prevented dopants from diffusing into the silicon wafer, as discovered by Carl Frosch and L. Derick?
What is another near-synonym for a MOSFET?
What is another near-synonym for a MOSFET?
What prevented the anticipated effects in the structure resembling the MOS transistor proposed by Bell scientists?
What prevented the anticipated effects in the structure resembling the MOS transistor proposed by Bell scientists?
What is used instead of polysilicon for the gate material in some MOSFETs?
What is used instead of polysilicon for the gate material in some MOSFETs?
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