A tuned amplifier contains a 2.2 mH inductor in its tank circuit, along with a varactor with the following ratings: Ct = 80 pF when Vr = 3 Vdc and CR = 3 for V = 3 Vdc to 6 Vdc. What is the resonant frequency of the circuit when VR = 3 Vdc?
A) 904.3 GHz
B) 758.7 kHz
C) 379.4 kHz
D) 189.9 MHz
Correct Answer:
Verified
Q1: When forward biased, the PIN diode acts
Q2: The capacitance of a varactor varies
A) inversely
Q4: A tuned amplifier has a 2.2 mH
Q5: The clamping voltage Vc) rating of a
Q6: Which of the following are characteristics of
Q7: The maximum reverse standoff voltage VRWM) rating
Q8: A series current regulator is used to
A)
Q9: When reverse biased, the capacitance of a
Q10: The PIN diode actually contains pn junctions).
A)
Q11: Forward voltage and current are directly proportional
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