
85-11Filters
e element values in Table 85.3 are numbered from the source end in the same manner as in Figure 85.4.
In ad
dition,
em
pty
sp
aces
in
dicate
un
realizable
ne
tworks
. In th
e
ca
se
of th
e
Ch
ebyshev
l
ter,
th
e
am
ount
of ri
pple
ca
n
be sp
ecied
as de
sired,
so th
at
in th
e
ta
ble
on
ly
a se
lective
sa
mple
ca
n
be gi
ven
. Ex
tensive
ta
bles
of pr
ototype
el
ement
va
lues
fo
r
ma
ny
ty
pes
of l
ters
ca
n
be fo
und
in Re
f
.
[3
]
.
e ex
ample
gi
ven
ea
rlier,
of a Bu
tterworth
l
ter
of or
der
3, ca
n
al
so
be ve
ried
usi
ng
Ta
ble
85.3. e
st
eps
ne
cessary
to co
nvert
th
e
no
rmalized
el
ement
va
lues
in th
e
ta
ble
in
to
ac
tual
l
ter
va
lues
ar
e
th
e
sa
me
a
s
p
reviously
i
llustrated