EEE :: Passive Filters

In a certain parallel resonant bandpass filter, the resonant frequency is 14 kHz. If the bandwidth is 4 kHz, the lower frequency

An RL lowpass filter consists of a 5.6 mH coil and a 3.3 k resistor. The output voltage is taken across the resistor. The circuit's critical frequency is

In a series resonant bandpass filter, a lower value of Q results in

The maximum output voltage of a certain lowpass filter is 15 V. The output voltage at the critical frequency is

A parallel resonant bandpass filter consists of a 90 resistor in series with a parallel network made up of a 60 mH coil and a 0.02 F capacitor. The output is taken across the capacitor/coil. The coil winding has a resistance of 20 . What is the center frequency of the filter?

An RL highpass filter consists of a 470 resistor and a 600 mH coil. The output is taken across the coil. The circuit's critical frequency is

A parallel resonant bandpass filter consists of a 6.8 resistor in series with a parallel network made up of an 8 H coil and a 120 pF capacitor. The output is taken across the capacitor/coil. Assume R_{W} = 0 . What is the center frequency of the filter?

A series resonant bandpass filter consists of a 2 mH coil, a 0.005 F capacitor, and a 120 resistor. The winding resistance of the coil is 12 . The output voltage is taken off the resistor. Input voltage is 12 V_{rms}. What is the output voltage magnitude at the center frequency (f_{0})?

An RC lowpass filter consists of a 120 resistor and a 0.002 F capacitor. The output is taken across the capacitor. The circuit's critical frequency is

Referring to Problem 15, if the input voltage is a 6 V sine wave with a dc level of 10 V, what is the output voltage magnitude?