DC Biasing-FETs Questions and Answers
DC Biasing-FETs
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14 questions
1. For the FET, the relationship between the input and output quantities is ________ due to the ________ term in Shockley's equation.
- nonlinear, cubed
- linear, proportional
- nonlinear, squared
2. Which of the following is (are) true of a self-bias configuration compared to a fixed-bias configuration?
- One of the dc supplies is eliminated.
- A resistor RS is added.
- VGS is a function of the output current ID.
- All of the above
3. The input controlling variable for a(n) ________ is a current level and a voltage level for a(n) ________.
- BJT, FET
- FET, BJT
- FET, FET
- BJT, BJT
4. Through proper design, a ________ can be introduced that will affect the biasing level of a voltage-controlled JFET resistor.
- photodiode
- thermistor
- laser diode
- Zener diode
5. On the universal JFET bias curve, the vertical scale labeled ________ can, in itself, be used to find the solution to ________ configurations.
- m, fixed-bias
- M, fixed-bias
- M, voltage-bias
- m, voltage-bias
6. Which of the following represents the voltage level of VGS in a self-bias configuration?
- VG
- VGS(off)
- VS
- VP
7. The self-bias configuration eliminates the need for two dc supplies.
- TRUE
- FALSE
8. Which of the following is a false statement regarding the dc load line when comparing self-bias and voltage-divider configurations?
- Both are linear lines.
- Both cross the origin.
- Both intersect the transfer characteristics.
- Both are obtained by writing Kirchhoff's voltage law (KVL) at the input side loop.
9. For the noninverting amplifier, one of the most important advantages associated with using a JFET for control is the fact that it is ________ rather than ________ control.
- dc, ac
- ac, dc
10. Depletion-type MOSFETs do not permit operating points with positive values of VGS and levels of ID that exceed IDSS.
- TRUE
- FALSE