solutions
1. Transistors are built on... Silicon Substrate
2. Silicon is a... - Group IV material
-Semiconductor
3. Adding dopants... Increases the conductivity
4. Group V Extra Electron (n-type)
5. Group III Missing Electron, called hole (p-type)
6. A junction between p-type Diode
and n-type semiconductor
forms a...
7. Current flows... Only in one direction
8. p-type is... (Anode/Cathode) Anode
9. n-type is... (Anode/Cathode) Cathode
10. nMOS Transistor Four terminals: - Gate
-Source
-Drain
-Body
11. What does MOS stand for? Metal Oxide Semiconductor
12. nMOS Gate and Body are? Conductors
13. When the nMOS gate is at low -p-type body is at low voltage
volt- age: -Source-body and drain-body diodes are OFF
-No current flows, transistor is OFF
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, ECEN 454 Exam 1 questions with 100% complete
solutions
14. When the nMOS gate is at high volt- - Positive charge on gate of MOS capacitor
age: - Negative charge attracted to body
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