Digital PMR Radio Processor
CMX7131/CMX7141
M a r k e r
F M
1
[ T 1 ]
3 1 . 3 9 9 1 8 m s
6 6 1 . 9 8 7 H z
C F
4 4 6 . 1 M H z
R e a l T i m e O F F
A F - S i g n a l
F M [ H z ]
D E M O D B W : 1 0 0 k H z
R e f L v l
3 0 d B m
2 . 5 k
3 0 d B O f f s e t
1
F M
[ T 1 ]
3 1 . 3 9 9 1 8 m s
6 6 1 . 9 8 7 H z
A
2 k
1 . 5 k
D
1
1
.
0
5
k H z
1 k
5 0 0
1 V I E W
1
0
- 5 0 0
- 1 k
D
2
-
1
.
0
5
k
H
z
- 1 . 5 k
- 2 k
- 2 . 5 k
S T A R T
0
s
S T O P 3 5 m s
D
a t e :
Figure 9 4-FSK PRBS Waveform – Modulation
M
a
r
k
e
4
r
4
1
.
[
0
T
0
1
1
1
]
6
0
R
V
S
B
B
W
W
W
T
1
0
1
1
0
8
H
H
s
z
z
R
U
F
n
A
t
t
t
2
0
d
d
B
B
R
e
3
f
0
L
d
v
l
.
8
4
2
8
2
d
M
B
H
m
z
k
B
m
6
1
i
m
3 0
2 0
3
0
.
8
d
B
O f f s e t
1
[
T
1
]
1
6
.
4
8
d B m
A
4
4
6
.
1
0
0
1
0
8
2
2
3
5
4
5
1
M H z
1
C
H
P
W
R
2
6
6
7
8
7
6
7
9
0
.
.
.
.
.
5
5
1
4
2
d
d
d
d
d
B
B
B
B
B
m
A
A
A
A
C
C
L
L
P
U
L
p
o
U
L
-
-
-
-
P
T
T
w
1 0
1
1
p
o
w
0
1 R M
- 1 0
- 2 0
- 3 0
- 4 0
- 5 0
- 6 0
- 7 0
C
0
C
0
c
l 2
c
l 2
c
l
1
c
l 1
c
u 1
c
u 1
c
u 2
c
u 2
C
e
n
t
e
r
4
4
6
.
1
M
H
z
3
.
6
k
H
z
/
S
p
a
n
3
6
k
H
z
D
a t e :
Figure 10 4-FSK PRBS Waveform – Spectrum
2014 CML Microsystems Plc
Page 23
D/7141_FI-3.x/6
CMLMICRO [ CML MICROCIRCUITS ]
