A. 723 Hz
B. 7,234 Hz
C. 362 Hz
D. 3,617 Hz
0
An RL low-pass filter consists of a 5.6 mH coil and a 3.3 kΩ resistor. The output voltage is taken across the resistor. The circuit’s critical frequency is______________?
0
In a certain low-pass filter, fc = 3.5 kHz. If the input voltage is a 6 V sine wave with a dc level of 10 V, what is the output voltage magnitude?
A. 93.8 kHz
B. 93.8 Hz
C. 861 Hz
D. 86.12 kHz
0
A parallel resonant band-pass filter consists of a 6.8 Ω resistor in series with a parallel network made up of an 8 µH coil and a 120 pF capacitor. The output is taken across the capacitor/coil. Assume RW = 0 Ω. What is the center frequency of the filter?
A. 0 V
B. 5.97 V
C. 6 V
D. 597 mV
0
Vout = 500 mV, and Vin = 1.3 V. The ratio Vout/ Vin expressed in dB is__________?
A. 5.14 MHz
B. 514 kHz
C. 5.03 MHz
D. 503 kHz
0
A sinusoidal voltage with a peak-to-peak value of 18 V is applied to an RC low-pass filter. If the reactance at the input frequency is zero, the output voltage is____________?
A. 0 dB
B. 8.30 dB
C. -8.30 dB
D. 0.8 dB
0
The same signal in Problem 2 is applied to an RC high-pass filter. If the reactance is zero at the input frequency, the output voltage is____________?
A. 18 V peak-to-peak
B. zero
C. 9 V peak-to-peak
D. 12.74 V peak-to-peak
0
The maximum output voltage of a certain low-pass filter is 15 V. The output voltage at the critical frequency is_____________?
A. 12.73 V peak-to-peak
B. 18 V peak-to-peak
C. 9 V peak-to-peak
D. zero
0
In a series resonant band-pass filter, a lower value of Q results in______________?
A. 10.60 V
B. 0 V
C. 21.21 V
D. 15 V
0
An RC high-pass filter consists of an 820 Ω resistor. What is the value of C so that Xc is ten times less than Rat an input frequency of 12 kHz?
A. a higher impedance
B. a smaller bandwidth
C. a higher resonant frequency
D. a larger bandwidth
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