1.
The primary function of the bias circuit is to
A. hold the circuit stable at VCC
B. hold the circuit stable at vin
C. ensure proper gain is achieved
D. hold the circuit stable at the designed Q-point
Answer: Option D
Explanation:
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2.
A JFET
A. is a current-controlled device
B. has a low input resistance
C. is a voltage-controlled device
D. is always forward-biased
Answer: Option C
Explanation:
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3.
A source follower has a voltage gain (Av) of
A. AV = gmRd
B. AV = gmRS
C. mca17_1012c1.gif
D. mca17_1012d1.gif
Answer: Option C
Explanation:
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4.
The capacitor that produces an ac ground is called a(n)
A. coupling capacitor
B. dc open
C. bypass capacitor
D. ac open
Answer: Option C
Explanation:
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5.
The formula used to calculate the approximate ac resistance of the base-emitter diode (re) is
A. mca17_1005a1.gif
B. re almostequal.jpg 25 mV × IC
C. mca17_1005c1.gif
D. mca17_1005d1.gif
Answer: Option A
Explanation:
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