Electronic Devices and Circuit Theory:: FET Devices

Which of the following ratings appear(s) in the specification sheet for an FET?

A. Voltages between specific terminals
B. Current levels
C Power dissipation
D. All of the above

What is the level of drain current ID for gate-to-source voltages VGS less than (more negative than) the pinch-off level?

A. zero amperes
B. IDSS
C Negative value
D. Undefined

What is the level of IG in an FET?

A. Zero amperes
B. Equal to ID
C Depends on VDS
D. Undefined

What is the range of an FET's input impedance?

A. 10 Ω to 1 kΩ
B. 1 kΩ to 10 kΩ
C 50 kΩ to 100 kΩ
D. 1 MΩ to several hundred MΩ

It is the insulating layer of ________ in the MOSFET construction that accounts for the very desirable high input impedance of the device.

A. SiO
B. GaAs
C SiO2
D. HCl

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