State whether the following statements are TRUE or FALSE:
1. A class A amplifier should be biased midway between saturation and cutoff.
2. The drain curves for a D-MOSFET are similar to those of a JFET when the MOS device is operating in the depletion mode.
3. The pinch-off voltage separates the ohmic and active regions for Vds = VGSoff.
Fill in the blanks:
4. The voltage that turns on an E-MOSFET device is the ______ voltage.
5. The transfer characteristic curve is a graph of ______ versus gate-source voltage.
A certain class A power amplifier with an input signal power of 100 mW and power gain of 50. Then the power delivered to the load is ______.
Choose the most suitable correct answer:
7. A unipolar transistor uses A) Both free electrons and holes B) Only free electrons C) Only holes D) Either free electrons or holes, but not both.
8. To get a negative gate-source voltage in a self-biased JFET circuit, you must have a A) Voltage divider B) Source resistor C) Ground D) Negative gate supply voltage.
9. The voltage gain of a D-MOSFET amplifier is dependent on A) Ro B) gm C) RL D) All of the above.
10. In a JFET amplifier with self-bias, A) Vo = 0 V. B) Vs = lo Rs C) Ves IbRs D) all of the above.
