31. 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.
(a) dc, ac
(b)
(c)
(d)
32. Calculate the value of VDS.
(a) –3 V
(b) 3 V
(c) –4 V
(d) 4 V
33. On the universal JFET bias curve, the vertical scale labeled ________ can, in itself, be used to find the solution to ________ configurations.
(a) m, fixed-bias
(b) M, fixed-bias
(c) M, voltage-bias
(d) m, voltage-bias
34. Through proper design, a ________ can be introduced that will affect the biasing level of a voltage-controlled JFET resistor.
(a) photodiode
(b) thermistor
(c) laser diode
(d) Zener diode
35. Calculate the value of RD.
(a) 2 k
(b) 3 k
(c) 3.5 k
(d) 4.13 k
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- FET » Exercise - 3 101. Nota 102. Nota 103. Nota 104. A JFET data sheet specifies VGS(off) = –10 V and IDSS = 8 mA. Find the value of ID when VGS = –3 V. (a) 2 mA (b) 1.4 mA (c) 4.8 mA (d) 3.92 mA 105. A JFET data sheet specifies VGS(off) = –6 V and IDSS = 8 mA. Find the value of ID when VGS = –3 V. (a) 2 mA (b) 4 mA (c) 8 mA (d) none of the above 106. The JFET is always operated with the gate-source pn junction ________ -biased. (a) forward (b) (c) (d) 107. If VD is less than expected (normal) for a self-biased JFET circuit, then it could be caused by a(n) (a) open RG. (b) open gate lead. (c) FET internally open at gate. (d) all of the above 108. In a self-biased JFET circuit, if VD = VDD then ID = ________. (a) 0 (b) cannot be determined from information above Answ (c) (d) 109. The resistance of a JFET biased in the ohmic region is controlled by (a) VD. (b) VGS. (c) VS. (d) VDS. 110. What type(s) of gate-to-source voltage(s) can a depletion MOSFET…
- 5555555555161. The level of ________ that results in the significant increase in drain current in enhancement-type MOSFETs is called threshold voltage VT. (a) VDD (b) VDS (c) VGS (d) VDG
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