PC Control FM Transmitter (SDA-01A) User Manual
Revised by BG7CR on Nov-1
st
2012. Any question please send email to
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http://www.108MHz.com
for more products.
7
Output Impedance
50Ω
8
Output RF power
0~1W
9
Harmonic & Clutter radiation
≤
－
50dB
10
Audio Distortion
0.3%
11
Frequency response
50Hz~15000Hz
12
Stereo Separation
≥40 dB
13
Input level
≤
－
15 dBV
14
Frequency deviation
±75KHZ
15
SNR
≥60
dB
16
Dimensions
140
㎜（
L
）
*105
㎜（
W
）
*43
㎜（
H
）
17
Weight
About 550g
General Troubleshooting
No.
Fault
Failure Source
1
Can not power on.
1
）
The socket is not electrify galvanized.
2
）
The adapter is not well connected.
3
）
The adapter does not meet the requirements
。
2
Short
transmission
range
(1) Operating in extreme surroundings.
(2) Operating at low power.
(3) The antenna is set not higher enough.
(4) The antenna is not matched.
(5) The receiver is not sensitive
。
3
No power out
1) The transmitter is set at low power
2) The transmitter is on standby.
7
Audio silent
1) The audio volume is very low.
2) Audio in is not normal.
8
Microphone silent
1) Microphone is not normal.
2) Microphone volume is low.
3) Microphone is not electret condenser.
9
Poor sound quality
1) Poor quality of microphone.
2) Poor quality of audio source.
3) The antenna is not set correctly.
4) Audio line in or volume is not set rightly.
(5) Audio line is in poor quality.
