PRACTICAL MATLAB® FOR ENGINEERS PRACTICAL MATLAB

Fourier and Laplace 375

)( RsZ )( sLsZ

Cs

sZ

1

)(

s

)( RsZ

C

sZ

1 1

)(

s

C

sZ

1

)(

R

Z(s)

L

Z(s)

C

Z(s)

R L R C C L

Z(s) Z(s) Z(s)

s + (R/L) s + (1/RC) s^2 + (1/ LC)

FIGURE 4.27

Standard impedances Z(s) of simple network structures.

)(

L

R

sLsZ

s

)( RsZ

s

)( LsZ

s

C

sZ

1

)(

s

)( LsZ

R R

L L

C

C

Z(s) Z(s) Z(s)

Z(s)

L

C

Z(s)

C

R

L R

s^2 + (1/RC)s + (1/LC)

s^2 + (R/L)s + (1/LC)

s + (1/ RC) s^2 + (1/ LC)