EXPERIMENT 6BAND-PASS FILTERS1. AIM OF THE EXPERIMENTTo obtain frequency characteristic of the bandpassfilter.2. INTRODUCTIONA band-pass filter circuits allows signals of frequencies in specific range and attenuates theout of the range. A series RLC circuit is a band pass filter. A passive band-pass filter has threecharacteristic frequency which are named as center ( f.), low cut-off ( f;) and high cut-off ( f) frequency. The bandwidth (BW) of the filter is defined as difference f, and f.L.Figure 1: The RL High-Pass FilterThe circuit parameter for series RLC circuit are defined as:X=1/@Cand total reactance and impedance of the RLC circuit is obtained as:X, = X, -XcZ = R+ jX,The center, low and high cut-off frequencies of the filter with related the circuit parametersare calculated as:1fo27 LCR.4 L 2n2LLC 3. PRELIMINARY WORK1. Calculate the cut off frequencies and central frequency of the circuit given in Figure 1with C=10 uF, R= 20 2 and L=1 mH.2. Plot the gain (VotV;) of the circuit versus frequency.3. Calculate bandwidth of the filter.Please note that signal source has 50 ohm impedance, so that you have to take totalresistance of the circuit as 50+20=70 ohm value for calculation, not only 20 ohm.

We need to find out lower and upper cut off frequency and bandwidth in rlc circuit.

3. PRELIMINARY WORK 1. Calculate the cut off frequencies and central frequency of the circuit given in Figure 1 with C=10 uF, R= 20 2 and L-1 mH. 2. Plot the gain (VotV,) of the circuit versus frequency. 3. Calculate bandwidth of the filter. Please note that signal source has 50 ohm impedance, so that you have to take total resistance of the circuit as 50+20=70 ohm value for calculation, not only 20 ohm.

3. PRELIMINARY WORK 1. Calculate the cut off frequencies and central frequency of the circuit given in Figure 1 with C=10 uF, R= 20 2 and L-1 mH. 2. Plot the gain (VotV,) of the circuit versus frequency. 3. Calculate bandwidth of the filter. Please note that signal source has 50 ohm impedance, so that you have to take total resistance of the circuit as 50+20=70 ohm value for calculation, not only 20 ohm.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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