In a certain parallel resonant band-pass filter, the resonant frequency is 14 kHz. If the bandwidth is 4 kHz, the lower frequency is
In a certain parallel resonant band-pass filter, the resonant frequency is 14 kHz. If the bandwidth is 4 kHz, the lower frequency is
A series resonant band-stop filter consists of a 68 Ω resistor, a 110 mH coil, and a 0.02 µF capacitor. The internal resistance, RW, of the coil is 4 Ω. Input voltage is 200 mV. Output voltage is taken across the coil and capacitor in series. What is the output voltage magnitude at f0?
A series resonant band-stop filter consists of a 68 Ω resistor, a 110 mH coil, and a 0.02 µF capacitor. The internal resistance, RW, of the coil is 4 Ω. Input voltage is 200 mV. Output voltage is taken across the coil and capacitor in series. What is the output voltage magnitude at f0?
The roll-off rate of a basic RC or RL filter is 20 dB per decade.
The roll-off rate of a basic RC or RL filter is 20 dB per decade.
In an RL high-pass filter, the output is taken across the inductor and the output leads the input.
In an RL high-pass filter, the output is taken across the inductor and the output leads the input.
At a certain frequency, the output voltage of a filter is 6 V and the input is 12 V. The voltage ratio in decibels is
At a certain frequency, the output voltage of a filter is 6 V and the input is 12 V. The voltage ratio in decibels is
Vout = 500 mV, and Vin = 1.3 V. The ratio Vout/ Vin expressed in dB is
Vout = 500 mV, and Vin = 1.3 V. The ratio Vout/ Vin expressed in dB is
In an RC high-pass filter, the output is taken across the resistor and the output leads the input.
In an RC high-pass filter, the output is taken across the resistor and the output leads the input.
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
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 parallel resonant band-pass filter consists of a 90 Ω resistor in series with a parallel network made up of a 60 mH coil and a 0.02 µF capacitor. The output is taken across the capacitor/coil. The coil winding has a resistance of 20 Ω. What is the center frequency of the filter?
A parallel resonant band-pass filter consists of a 90 Ω resistor in series with a parallel network made up of a 60 mH coil and a 0.02 µF capacitor. The output is taken across the capacitor/coil. The coil winding has a resistance of 20 Ω. What is the center frequency of the filter?
In a certain low-pass filter, fc = 3.5 kHz. Its pass-band is
In a certain low-pass filter, fc = 3.5 kHz. Its pass-band is
An RL high-pass filter consists of a 470 Ω resistor and a 600 mH coil. The output is taken across the coil. The circuit's critical frequency is
An RL high-pass filter consists of a 470 Ω resistor and a 600 mH coil. The output is taken across the coil. The circuit's critical frequency is
The output voltage is 63.3% of its maximum at the critical frequencies.
The output voltage is 63.3% of its maximum at the critical frequencies.
In an RC low-pass filter, the output voltage is taken across the resistor and the output lags the input voltage.
In an RC low-pass filter, the output voltage is taken across the resistor and the output lags the input voltage.
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 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
In an RL low-pass filter, the output voltage is taken across the inductor and the output lags the input.
In an RL low-pass filter, the output voltage is taken across the inductor and the output lags the input.
A band-pass filter rejects all frequencies within a band between a lower and an upper critical frequency and passes all others.
A band-pass filter rejects all frequencies within a band between a lower and an upper critical frequency and passes all others.
A band-stop filter passes frequencies between its lower and upper critical frequencies and rejects all others.
A band-stop filter passes frequencies between its lower and upper critical frequencies and rejects all others.
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
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
An RC high-pass filter consists of a 0.2 µF capacitor and a 220 Ω resistor. The output is taken across the resistor. The circuit's critical frequency is
An RC high-pass filter consists of a 0.2 µF capacitor and a 220 Ω resistor. The output is taken across the resistor. The circuit's critical frequency is
Critical frequencies are also called -3 dB frequencies.
Critical frequencies are also called -3 dB frequencies.
The bandwidth of a resonant filter is determined by the quality factor (Q) of the circuit and the resonant frequency.
The bandwidth of a resonant filter is determined by the quality factor (Q) of the circuit and the resonant frequency.
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?
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?
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?
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?
In a certain parallel resonant band-pass filter, the resonant frequency is 14 kHz. If the bandwidth is 4 kHz, the lower frequency
In a certain parallel resonant band-pass filter, the resonant frequency is 14 kHz. If the bandwidth is 4 kHz, the lower frequency
The maximum output voltage of a certain low-pass filter is 15 V. The output voltage at the critical frequency is
The maximum output voltage of a certain low-pass filter is 15 V. The output voltage at the critical frequency is
A series resonant band-pass filter consists of a 2 mH coil, a 0.005 µF capacitor, and a 120 Ω resistor. The winding resistance of the coil is 12 Ω. The output voltage is taken off the resistor. Input voltage is 12 Vrms. What is the output voltage magnitude at the center frequency (f0)?
A series resonant band-pass filter consists of a 2 mH coil, a 0.005 µF capacitor, and a 120 Ω resistor. The winding resistance of the coil is 12 Ω. The output voltage is taken off the resistor. Input voltage is 12 Vrms. What is the output voltage magnitude at the center frequency (f0)?
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 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?
An RC low-pass filter consists of a 120 Ω resistor and a 0.002 µF capacitor. The output is taken across the capacitor. The circuit's critical frequency is
An RC low-pass filter consists of a 120 Ω resistor and a 0.002 µF capacitor. The output is taken across the capacitor. The circuit's critical frequency is
In a series resonant band-pass filter, a lower value of Q results in
In a series resonant band-pass filter, a lower value of Q results in
