5. R = 500ohms, C = 300 pF, and L = 0.844 uH are connected in parallel. a. Determine Z, Q and bandwidth at resonance. b. If 10Vrms at fo is applied to the circuit, determine the current in R, C and L. c. What is the ratio of i to i?

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5. R = 500ohms, C = 300 pF, and L = 0.844 uH
are connected in parallel.
a. Determine Z, Q and bandwidth at resonance.
b. If 10 Vrms at fo is applied to the circuit, determine the
current in R, C and L.
c. What is the ratio of i to i?
C
6. A small-signal tuned amplifier has a voltage gain of 100 at the
resonant frequency 1 MHz.
a. If the parallel-tuned circuit Q is 10, determine the gain of
100 at the resonate frequency 1MHz.
b. Repeat at 1.1 MHz
For this problem use equation 1-23 which calculates the
impedance of an RLC circuit vs. frequency, since the gain of
an amplifier is dependent on the impedance apply the same
equation letting the voltage gain replace impedance Z(f) =>
Gain(f), R => 100, the denominator will stay the same as in
the original equation of Z(f)
Transcribed Image Text:5. R = 500ohms, C = 300 pF, and L = 0.844 uH are connected in parallel. a. Determine Z, Q and bandwidth at resonance. b. If 10 Vrms at fo is applied to the circuit, determine the current in R, C and L. c. What is the ratio of i to i? C 6. A small-signal tuned amplifier has a voltage gain of 100 at the resonant frequency 1 MHz. a. If the parallel-tuned circuit Q is 10, determine the gain of 100 at the resonate frequency 1MHz. b. Repeat at 1.1 MHz For this problem use equation 1-23 which calculates the impedance of an RLC circuit vs. frequency, since the gain of an amplifier is dependent on the impedance apply the same equation letting the voltage gain replace impedance Z(f) => Gain(f), R => 100, the denominator will stay the same as in the original equation of Z(f)
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