44
V
in
I
in
V
out
I
out
V
L
R
L
I
L
V
out
I
out
V
in
I
in
Z
in
V
in
I
in
V
out
I
out
Z
in
L
Z
in
’Z
in
I
in
V
in
R
L
I
out
V
out