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Implementing IIR/FIR Filters

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Figure 1-1<br />

Figure 1-2<br />

Figure 1-3<br />

Figure 1-4<br />

Figure 1-5<br />

Figure 1-6<br />

Figure 1-7<br />

Figure 1-8<br />

Figure 2-1<br />

Figure 2-2<br />

Illustrations<br />

s-Domain Analysis of Second-Order Lowpass<br />

Analog Filter 1-6<br />

Gain and Phase Response of Second-Order<br />

Lowpass Analog Filter at Various Values<br />

of Damping Factor, d 1-7<br />

s-Domain Analysis of Second-Order Highpass<br />

Analog Filter 1-10<br />

Gain and Phase Response of Second-Order<br />

Highpass Analog Filter at Various Values<br />

of Damping Factor, d 1-11<br />

s-Domain Analysis of Second-Order Bandstop<br />

Analog Filter 1-13<br />

Gain and Phase Response of Second-Order<br />

Bandstop Analog Filter at Various Values of<br />

Damping Factor, d 1-14<br />

s-Domain Analysis of Second-Order Bandpass<br />

Analog Filter 1-15<br />

Gain and Phase Response of Second-Order<br />

Bandpass Analog Filter at Various Values of<br />

Damping Factor, d 1-16<br />

Spectrum of Bandlimited Signal Repeated at<br />

Multiples of the Sampling Frequency, f s<br />

MOTOROLA v<br />

2-3<br />

Direct-Form Implementation of Second-Order<br />

Lowpass <strong>IIR</strong> Filter and Analytical Formulas<br />

Relating Desired Response to Filter Coefficients 2-12

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