Q.1

The type of bias most often used with E-MOSFET circuits is:

  • constant current
  • drain-feedback
  • voltage-divider
  • zero biasing
Q.2

When applied input voltage varies the resistance of a channel, the result is called:

  • saturization
  • polarization
  • cutoff
  • field effect
Q.3

D-MOSFETs are sometimes used in series to construct a cascode high-frequency amplifier to overcome the loss of:

  • low output impedance
  • capacitive reactance
  • high input impedance
  • inductive reactance
Q.4

What is the transconductance of an FET when ID = 1 mA and VGS = 1 V?

  • 1 kS
    omega.gif
    omega.gif
  • 1 mS
    omega.gif
    omega.gif
  • 1 k
  • 1 m
Q.5

One advantage of voltage-divider bias is that the dependency of drain current, ID, on the range of Q points is _________.

  • reduced
  • increased
  • not affected
  • none of the above
Q.6

When is a vertical channel E-MOSFET used?

  • for high frequencies
  • for high voltages
  • for high currents
  • for high resistances
Q.7

A "U" shaped, opposite-polarity material built near a JFET-channel center is called the:

  • gate
  • block
  • drain
  • heat sink
Q.8

What is the input impedance of a common-gate configured JFET?

  • very low
  • low
  • high
  • very high
Q.9

A __________ change in VDS will produce a __________ change in ID.

  • small, large
  • large, small
  • large, large
  • small, small
Q.10

A _______________ JFET amplifier provides a voltage gain of less than one.

  • common-source
  • common-gate
  • common-drain
  • cascode amplifier
Q.11

What is the transconductance of an FET when ID = 1 mA and VGS = 1 V?

  • 1 kS
    omega.gif
    omega.gif
  • 1 mS
    omega.gif
    omega.gif
  • 1 k
  • 1 m
Q.12

A _______________ JFET amplifier provides a voltage gain of less than one.

  • common-source
  • common-gate
  • common-drain
  • cascode amplifier
0 h : 0 m : 1 s