The pinch-off voltage of a JFET is about _______________?
The ch-off voltage of a JFET is about _______________?
A. 5 V
B. 0.6 V
C. 15 V
D. 25 V
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Which of the following devices has the highest input impedance ?
Which of the following devices has the highest input impedance ?A. JFET
B. MOSFET
C. Crystal diode
D. ordinary transistorIn a certain CS JFET amplifier, RD= 1kO , RS= 560 O , VDD=10V and gm= 4500 µS. If the source resistor is completely bypassed, the voltage gain is ________________?
In a certain CS JFET amplifier, RD= 1kO , RS= 560 O , VDD=10V and gm= 4500 µS. If the source resistor is completely bypassed, the voltage gain is ________________?A. 450
B. 45
C. 2.52
D. 4.5For VGS = 0 V, the drain current becomes constant when VDS exceeds ________________?
For VGS = 0 V, the drain current becomes constant when VDS exceeds ________________?A. cut off
B. VDD
C. VP
D. VIn a p-channel JFET, the charge carriers are _____________?
In a p-channel JFET, the charge carriers are _____________?A. electrons
B. holes
C. both electrons and holes
D. none of the aboveA certain D-MOSFET is biased at VGS = 0 V. Its data sheet specifies IDSS = 20mA and VGS(off) = -5 V. The value of the drain current is _____________?
A certain D-MOSFET is biased at VGS = 0 V. Its data sheet specifies IDSS = 20mA and VGS(off) = -5 V. The value of the drain current is _____________?A. 20 mA
B. 0 mA
C. 40 mA
D. 10 mAIn a FET, there are _____________pn junctions at the sides?
In a FET, there are _____________pn junctions at the sides?A. three
B. four
C. five
D. two