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The State Variable Filter<br />
x(n)<br />
+ +<br />
y h (n)<br />
F 1<br />
× +<br />
y b (n)<br />
F 1<br />
× +<br />
y l (n)<br />
CM0268<br />
MATLAB<br />
DSP<br />
GRAPHICS<br />
353<br />
T<br />
T<br />
−1 × Q 1<br />
×<br />
T<br />
where:<br />
−1<br />
×<br />
T<br />
x(n) = input signal<br />
y l (n) = lowpass signal<br />
y b (n) = bandpass signal<br />
y h (n) = highpass signal<br />
1<br />
◭◭<br />
◮◮<br />
◭<br />
◮<br />
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