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Ans: 7.587 Khz, 1.907 Kω. Ans: R = 9.95 Ω

The document contains problems about designing and analyzing different types of filters including high pass, band pass, low pass, and determining cutoff frequencies and impedances given component values.

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T. VARMA
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61 views1 page

Ans: 7.587 Khz, 1.907 Kω. Ans: R = 9.95 Ω

The document contains problems about designing and analyzing different types of filters including high pass, band pass, low pass, and determining cutoff frequencies and impedances given component values.

Uploaded by

T. VARMA
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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1. In a given RL type high pass filter R = 3 KΩ and fc = 2000 KHz.

Find out the


value of L.
2. Design a prototype BPF (T and π) having cut-off frequencies of 5 kHz and 10
kHz. The nominal characteristic impedance being 600 ohms. Find the resonant
frequency of shunt arm or series arm.
3. Determine the output voltage of an R-L HPF having working frequency 0 Hz, 500
Hz and R = 2 kΩ, L = 159.15 mH. Assume input voltage to be 10 volts.
4. A T-section low pass filter has series inductance 80 mH and shunt capacitance
0.022 µF. Determine the cut-off frequency and nominal design impedance (R0).
Also design an equivalent π-section. Ans: 7.587 kHz, 1.907 kΩ.
5. In a RC type LPF, the cut-off frequency is 2000 Hz. Assuming the capacitance to
be 80 nF, determine the value of the resistance. Ans: R = 9.95 Ω.
6. In a RL type LPF, assuming 10 V input, find the output voltage for operation at 2
kHz. Assume L = 159.15 mH and R = 500 ohms.
7. In a HP R-C filter, find V0 (a) at 0 Hz, (b) at 100 kHz for a 100 V input. Assume
the capacitance to be 80 nF and the resistance to be 1250 ohms. Ans: 0 V, 100 V.
8. Design a constant-K type high pass filter, having fc = 4 kHz and design impedance
R0 = 600Ω.
9. Determine the cut-off frequency and the nominal impedance of each of the filter
sections shown in following figures.

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