Reference: WX-B-009-01
Title: Product Performance
Specification
Rev./Status: 0.1 / Draft
Model : FX15 FX25 FX55
Page
13
of
16
-
FX15 FX25 FX55
Mini Audio system
-
2013-12-09
2
3
NAME
Suhaofeng
16
10
-
13
A4
CHECK
DATE
2013-12-09
3.4TUNER
FM/AM tuner Module: KST-MW004MV1-R78W2 IC : RN5B800
GENARAL PART
WAVE RANGE
VERSION
TOLERANCE
TUNING GRID
FM 87.5 – 108.00 MHz
/05/12
QUARTZ PRECISION
50kHz
AM 530 -1700kHz
/55/37
QUARTZ PRECISION
10 kHz
AERIAL
FM : PIGTAILTYPE ANT WIRE 75
Ω
FRAME ANT. 18.1 uH with shielding
ELECTRICAL DATA
A.M
Nom
Limit
Unit
FM
Nom
Limit
Unit
- 3 dB Limiting Point
20
26
dBf
Search Tuning Sensitivity(at stereo
mode)
35 41
Amplification Reverse
- 2
-4
dB
Search time digital tuning
system.
-
60
S
AGC Figure of Merit
30
25
dB
Distortion ( RF 50mV, M 80% )
3
5
%
IF
10.7
MHz
IF
450
± 3
kHz
Stereo - 46 dB Quieting
48
51
dB
Modulation Hum
50
45
Search Tuning Sensitivity
α
26 +/-10
dB S/N
Ratio
50 45
S/N Ratio
45
40
dB
Amplification Reverse
0
-4
dB
Distortion ( RF 1mV, Frq Dev.75
kHz )
2
3
%
Overall Frequency Response: 63Hz
– 12.5KHz
-
±3
dB
Channel separation:400 / 1000 /
5000 Hz. RF input: 68 dBf
26/30/
20
20/26/
18
dB
FM Frequency (MHz)
Noise Limited
Sensitivity 26 dB
Image
Rejection
IF Rejection
Large Signal
Handling
FM
Nom.
18
116 dBf
88.0
Lim.
22
108 dBf
FM
Nom.
18
116 dBf
98.0
Lim.
22
108 dBf
FM
Nom.
18
116 dBf
107.0
Lim.
22
108 dBf
Units
dBf
dB
dB
dBf
AM Frequency (KHz)
Noise Limited
Sensitivity 26 dB
Image
Rejection
IF Rejection
Large Signal
Handling
MW
Nom.
70
1000
610KHz
Lim.
75
500
MW
Nom.
65
1000
1000KHz
Lim.
73
500
MW
Nom.
65
1000
1440 kHz
Lim.
73
500
Units
dBuV
dB
dB
mV/m
Susceptibility to unwanted
signals(CPU,SMPS,AMP,DSP …):
Limite
d(dB)
Normal
(dB)
Remark
-15dB
-20dB
Refer to selfpollution curve
2-10