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Power Converters with Digital Filter Feedback Control by Keng C. Wu

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Appendix B

(1.17) to (1.19) and (1.22) to (1.23) Transform

Equation (1.17) has the form

A1s+A0B2s2+B1s+B0

image(B.1)

The Laplace operator s shall be replaced by

s=C1z11+z1

image(B.2)

(B.1) becomes

A1C(1z1)/(1+z1)+A0B2C2(1z1)/(1+z1)2+B1C(1z1)/(1+z1)+B0

image(B.3)

It can be reduced to

A1C1z11+z1+A01+z12B2C21z12+B1C1z11+z1+B01+z12

image(B.4)

There are ...

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