co
–3 3
(ct.]
u>fJ-f
‘J.
I
~
::
C:os-
[
(t>J
¢>
(bJ
x]
::
GuS
-I[
Li)'(2~,r)
U>J(5′;,8}j
:.
50′.
(1
0
lbJ
TJylf
is
a/vet,
by
(S-SG)
ad
atl
I-he-
ftqaht-e.IYi
a~
.fht.
S”a.~e
a.S
Ih
£><tt/#jJ/~
8-5.
-n
t{~J
Tr
YJ
~
7
2.
B~
(c.)
Lrs
=
7–0
to}
(j-TTd-)
:::-
211
ID~I
If-f!
(2’/-.,
350
…
,ies)
j
A
~e·01V~V’N;Y3.J.i5d
{j.
‘nitJ
\~Nbrr
1 /
~
2″
J~4sINttfltJ
-there
JWIJ
(8-
55)
J,ve.
;ei·;
3lf2
INSTRUCTOR SOLUTIONS MANUAL
(United States Edition)
Digital & Analog Comm. Systems
8th Edition, L. W. Couch, II
8-
33
t
c,
)
lvh+
IJ
(~J)I3′:::
34-.
7
-1’I~dS
J 2.0. % –
(-27-~b)
~
7lf;
77
I
8-34
I
1!W”errIM?
-f’l)
fhQ.
solulfxJ~
-fu
!lbk/f!4
8-29
D
~(,
rJ
-I”~
‘-r;(ltwl~.
~
..:-
/31
-1tf1·fJ::
-IS. B
W 4=
LOJ
-1[l”.${61.t]CV1(-/~O’)]
::
?2.JO’
(hJT
S>fJ
; J
rlY~
6.t
(8
~
5
G)
aJtc!
Ill!
He-
pcv-anrr4-lltf
0.1-/’:
-I~(,
$tuf1.t
4J
/n
E:xtUllPle
8~
5.
~
l”yS
,-
’72. 8
~
Slf3
INSTRUCTOR SOLUTIONS MANUAL
(United States Edition)
Digital & Analog Comm. Systems
8th Edition, L. W. Couch, II
8–
3Lf(c.]
(o”f’
J.
Fo~
Q
5″~
oI1i4
J
71′(
(~)1..
) I
G-A~::;
IC/o’J-
@:X/1>’
..
ht
::.
10101(1.’I:,’l-J5)
><
If)lf
Ii
J
[t,1{$
(GA,t{)’dI’J’::
4-3.
B8Je
.vtJ
~::
7..5.26J8/~
.
fJYJ
1;(1
(0{)
Re-~~
-!b
fir, 8 -;27
‘i-JtJ
M~
~L
.=N;35J(j
U v
{I
‘ttd,~
-fh
e.-
1>1<1
pld
rJN
j is
I
8-35
I
(C1)
1>:
3’f”
tJ
/’1.-{,-{Utk
A:::
13’+
-118.3\
.:
/5″
7’0
/’J.::
LCIr
-I
[(.i)s(31:hflf(t5′.?~
:::.
37.
DE
0
3l/-lj.
INSTRUCTOR SOLUTIONS MANUAL
(United States Edition)
Digital & Analog Comm. Systems
8th Edition, L. W. Couch, II
Nofe…,;
ne,
tll~
ffrW-.
-Jet
hw
H/J/;c.
je~t.Jf.-
r>f
fie
L
MtJ
~~
-Ik-
/1T:J/re
~;
~JOi~1.r
~
{4,
~
04
y:
~
-I4e…
~/”~f
he.,
li
,.’dfe,
f&,)
L
:::
10
ID
Ei’l1t
(2J
/~M;Ie;)
]::
/
‘IS.
Cfl
d8
r:~
r-
3;”{D
8
J!t
(~W~}IItJ,
1
3q.S
INSTRUCTOR SOLUTIONS MANUAL
(United States Edition)
Digital & Analog Comm. Systems
8th Edition, L. W. Couch, II
––
I
8-36
W~ve’l~t~~
LN~
L,
~
I,
1MB
G~
~\)~i
r
14—“;~
f_r-
Te
=
crq.tt
K
7t~
5\)~
~~~::.
\Q~.S~
–~=:==~~~=====
~p..
~
(gc>,~
T~~
r~(
r,-I)
~
i~(LI~’)
;;
‘:.
Q.9o)
(j”,.1.9.’10
_,
)
‘:..’1q,
LJ-
(0..)
1S
“-
lTAll.,
-I-
r~,)
GJ t
r~
f
!!L)
:.
7A~t
T~I
G.z.
L,
G~
‘:.
G”
‘”
lc.)
7;….
\r,q~-t
TeJ
G-,
Gl.
i
leI.
~.j.
le3
‘:.
trAIt..
tT~)
~
t T
e
F1.
TT
e3
G~
-:..
(;.14
It..
G,
61.
=-
G4)/t
&t..
L
J
65.53 1.28 60
Gar
:=
10
10
Ll
:=
10 10
G2
:=
10
10
Ie3
:= 11000
Tar :=60
Ie1
:=290-(L1-
1)
Te2 :=50
GTsdB
:::
41.978
(b.)
LI
Is
;:::Tar+
Tel
+
Te2L}
+
Te3·-
G2
Ts =226.555
INSTRUCTOR SOLUTIONS MANUAL
(United States Edition)
Digital & Analog Comm. Systems
8th Edition, L. W. Couch, II
I
8-37
I
311-7
INSTRUCTOR SOLUTIONS MANUAL
(United States Edition)
Digital & Analog Comm. Systems
8th Edition, L. W. Couch, II
8·39
q,
~
~
: =
34
:==
134
==
15.7
degrees
–
118.3
degrees
1>
).,
:=
:=
IT
¢ –
180
IT
~
180
¢
~
=
0.593
=
0.274
radians
radians
OR
——->
Ad
:=
360
–Ad
Ad
=
206.687
degrees
2 2
d
:==
J26205
+
3963
– 2
3963
26205
cos(B)
4
3’1-8
INSTRUCTOR SOLUTIONS MANUAL
(United States Edition)
Digital & Analog Comm. Systems
8th Edition, L. W. Couch, II
Te
: =
Tel
+
Te2
–
G1
+
Te3
—
G1
G2
Te
=
85.093
Tar
:=
32
Ts
:
==
Tar
+
Te
Ts
=
117.093
Set
PedBw,
f,
B,
and
diam
to
desired
values.
LfsdB
:=
20
1
09
[4
n
~]
lam
LfsdB
==
195.911
GardE
=
37.642
8-40
I
11+
-f~~
s41eJ/;-Ie
(U~h~k.)
f~J1J/”kJfJr
le:i
J
C~
of
~ple
–lite.-
Uflh~K
rel.~v~cI
u;’Jf~
I
f'{)~e,r
NI(JO
p(
~hi]/e,
-the,
lfphA
I’el..
QI/lit{
h
()J~’.e
I’0
wetr
wh~
Nu!
allO
UJufa/;”
i~t..J
-effed/~e
.fI{)/~e
‘pD~er
3l1-g
INSTRUCTOR SOLUTIONS MANUAL
(United States Edition)
Digital & Analog Comm. Systems
8th Edition, L. W. Couch, II
35()
INSTRUCTOR SOLUTIONS MANUAL
(United States Edition)
Digital & Analog Comm. Systems
8th Edition, L. W. Couch, II
I
8-46
Ih
IS
1-
de.+~
,v…e
+k~
vcJtA.e
t’
~
0
b~
lA’:>
i\\.\
~e.
u.u~V-
.powU
,ee-..d
{v..~
:
–
~
[(,,5.t)Yt£:.5T-.DI5″T)
+ k 2
(,ol5″T)
+(f5K-)L(.Cd~5T)
J
:::
k2-
L
F.’S)
2-
(.Ol) T /
(.0
1
S-)
+
(05)
2.(
2
S5)
]
INSTRUCTOR SOLUTIONS MANUAL
(United States Edition)
Digital & Analog Comm. Systems
8th Edition, L. W. Couch, II
I
8-47
k~4
ba,f1<”
iele’vlsilh
rec.eij/tr If l(.Ie) tlJ
~~bwn
lit
fid.a-n
”
tJ
“”?
~
‘-I—
r.>
~
l’
¥
v
~
-tJ~
~
3’${
2:
“2
t;t.
~
v
r;bi!;~~
t::::J
~
‘I-
~
G.*r
INSTRUCTOR SOLUTIONS MANUAL
(United States Edition)
Digital & Analog Comm. Systems
8th Edition, L. W. Couch, II
8-47 (b) Cont’d.
The mathematical description for the waveform at each point in the demux circuit and the
required filter specifications are shown in the diagram above.
I
8-48
I
(Qo’)
[
w\
e.-
(t)
–
Wlu}-f.
)J
f::
(
[wi
t.
(f:) –
WI;,
(t)
]
+–
~~
[
W\lO
–
V”\I(-I::)]
~~
(8
-G4)
[If’/\
G–
L
t)
–
W\~
(-t
D::::
-.
5″0
gS-
‘Mf-
(t
J – I
Qc;,
tf
WI
~
(i)
+,
c;,
“t
S-
lM~
U::
J
3SLf
INSTRUCTOR SOLUTIONS MANUAL
(United States Edition)
Digital & Analog Comm. Systems
8th Edition, L. W. Couch, II
355
INSTRUCTOR SOLUTIONS MANUAL
(United States Edition)
Digital & Analog Comm. Systems
8th Edition, L. W. Couch, II
1
8-49
I
1)
:.
(R
)
(–L
)(-1-)
-.
/q
3~
(~)
(.1:fl..)
”
w~+h
(~,,;””j
~
w;t~~~,~;..,
‘R
i
c.”1
1{R,S
– ,
~
/87
/~e
s-ettHfeJYf
Sy~(,
ftefJ”:rc-e.J
14e
pq’tf~J
~’jH!-
cd
The
~~}I~I1;I1~
of
e”-lil
s~”,a{.
O”e.
$~vrI
IJf
1″‘1iltil1~
of~fc<
If
C{pfJe4
af+e~
3(2..
sef!I11~;rls.
I
8·50
I
(a..)
US/~
F;”t
g-39
J
13
VSB
*;;-
Fe,
t
2~
(b.)
UUI~1
J=
ID.7,;,
11~11ttbolvlr
aJtcl
r;:
0.65”7£
:B~8=i
(I
+2
(D.
0575))&0.
?ft,):::.
~.
DiHIz-
INSTRUCTOR SOLUTIONS MANUAL
(United States Edition)
Digital & Analog Comm. Systems
8th Edition, L. W. Couch, II