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コントロールユニット CIRCUIT DESIGN WA-TX-03SのPDF 操作マニュアルをオンラインで閲覧またはダウンロードできます。CIRCUIT DESIGN WA-TX-03S 16 ページ。 Uhf wireless audio module
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WA-TX-03S transmitter module
No.
Name
I/O
1
UNA
O
2
SW0
3
SW1
4
SW2
5
SW3
6
NC
7
SW5
8
STB
9
AF
10
VCC
11
ANT
O
12
GND
OG_WA-03S_V10e
Description
LED terminal for unavailable channels.
The terminal is high when any channel
outside CH 1 to 15 is selected.
LED can be powered directly
Transmitter channel setting terminal
I
Select channel within 15 programmed
I
channels
Refer to "Channel table"
I
SW0
to
SW3
I
STB=H(open).
-
H(open): 5mW
L(GND): 10mW
I
Power setting is enabled when the module
newly starts transmitting.
SW5 is disabled when STB=H(open).
Terminal for stand-by with power off delay
I
Set to High(open) to enter standby.
Set to ground when transmitting.
Audio signal input terminal
I
Audio input signal level -113 dBv to -13 dBv
Power supply (+) terminal
Voltage range is DC 4.2 to 6 V
A power source without ripple noise should
I
be used.
A protection diode for reverse connection is
provided in the circuit.
Antenna terminal (RF output)
50 Ω impedance
GND terminal
The ground is for the power supply and
I
antenna radial.
Connect it to a wide ground plane for efficient
antenna emissions and stable operation.
are
disabled
when
5
OPERATION GUIDE
Equivalent circuit
*
SW0-3&SW5: 3V when STB=L(GND)
*
*
STB: always 3V
*
-
10uF
12kΩ
+
3V
Circuit Design, Inc.
Terminal