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TUNER
3.3
FM use Silicon Lab Si4704/4705(w/RDS)
GENARAL PART
WAVE RANGE
FM 87.5 – 108.00 MHz
FM 87.5 – 108.00 MHz
AERIAL
FM
: PIG TAIL ANT WIRE 75Ω
ELECTRICAL DATA
Frequency (MHz)
F
M
8
8
0 .
F
M
9
8
0 .
F
M
1
0
7
0 .
Susceptibility to unwanted signals(CPU,SMPS,AMP,DSP ...):
Technical Specification and Connection Facilities
VERSION
/12
QUARTZ PRECISION
/37
QUARTZ PRECISION
Noise Limited
Sensitivity 26 dB
N
o
m
.
1
8
i L
m
.
2
2
N
o
m
.
1
8
i L
m
.
2
2
N
o
m
.
1
8
i L
m
.
2
2
Units
dBf
TOLERANCE
F
M
-
3
d
B
i L
m
t i
n i
g
P
i o
t n
S
e
a
c r
h
T
u
n
n i
g
S
e
n
s
i t i
t i v
( y
t a
Search time digital tuning
system.
F I
S
e t
e r
o
-
4
6
d
B
Q
i u
t e
n i
g
M
o
d
l u
t a
o i
n
H
u
m
S
N /
R
t a
o i
A
m
i l p
c i f
t a
o i
n
R
v e
e
s r
e
D
s i
o t
t r
o i
n
(
R
F
1
m
, V
F
q r
D
Overall Frequency Response: 63Hz –
12.5KHz
Channel separation:400 / 1000 / 5000 Hz.
RF input: 68 dBf
Image
IF Rejection
Rejection
3
0
6
4
2
5
4
5
3
0
6
4
2
5
4
5
3
0
6
0
2
5
6
5
DB
dB
Limited(d
Normal
B)
(dB)
-15dB
-20dB
1-8
TUNING GRID
50kHz
100kHz
N
o
m
i L
m
2
0
2
6
s
e t
e r
o
m
o
d
) e
3
5
4
1
-
60
1
0
7 .
4
8
5
1
5
0
4
5
5
0
4
5
0
4 -
e
v
7 .
5
k
H
z
)
2
3
-
±3
26/30/
20/26/
20
18
Large Signal
Selectivity
Handling
S9/300 kHz
1
0
0
0
2
2
5
0
0
1
8
* (
) 1
1
0
0
0
2
2
5
0
0
1
8
* (
) 1
1
1
6
d
f B
4
5
1
0
8
d
f B
2
5
mV/m
dB
Remark
Refer to selfpollution curve
t i
U
n
t i
d
f B
S
M
H
z
d
B
d
B
%
dB
dB
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