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5.TUNER
FM use Silicon Lab Si4704/4705(w/RDS)
GENARAL PART
WAVE RANGE
FM 87.5 – 108.00 MHz
AERIAL
FM
: PIG TAIL ANT WIR
ELECTRICAL DATA
Frequency (MHz)
FM
88.0
FM
98.0
FM
107.0
Susceptibility to unwanted signals(CPU,SMPS,AMP,DSP ...):
Technical Specification and Connection Facilities
VERSION
TOLERANCE
/05/12
QUARTZ PRECISION
F
-
S
Search time digital tuning
system.
F I
S
M
S
A
D
Overall Frequency Response: 63Hz –
12.5KHz
Channel separation:400 / 1000 / 5000 Hz.
RF input: 68 dBf
Noise Limited
Sensitivity 26 dB
Nom.
18
Lim.
22
Nom.
18
Lim.
22
Nom.
18
Lim.
22
Units
dBf
TUNING GRID
M
3
d
B
i L
m
t i
n i
g
P
i o
t n
e
a
c r
h
T
u
n
n i
g
S
e
n
i s
v i t
y t i
a (
s t
e t
e r
o
m
o
e t
e r
o
-
4
6
d
B
Q
i u
t e
n i
g
o
d
l u
t a
o i
n
H
u
m
N /
R
t a
o i
m
i l p
c i f
t a
o i
n
R
e
v
e
s r
e
s i
o t
t r
o i
n
(
R
F
1
m
, V
F
q r
D
e
v
7 .
5
k
H
z
)
Image
Large Signal
IF Rejection
Rejection
Handling
30
64
1000
25
45
500
30
64
1000
25
45
500
30
60
116 dBf
25
65
108 dBf
DB
dB
mV/m
Limited(d
Normal
B)
(dB)
-15dB
-20dB
Refer to selfpollution curve
1-9
50kHz
N
o
m
L
m i
t i
U
n
t i
2
0
2
6
d
f B
d
) e
35
41
-
60
S
1
0
7 .
M
H
z
4
8
5
1
d
B
5
0
4
5
5
0
4
5
0
4 -
d
B
2
3
%
-
±3
dB
26/30/
20/26/
dB
20
18
Selectivity
S9/300 kHz
22
18 (*1)
22
18 (*1)
45
25
dB
Remark
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