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TX - RX AUDIO
 
TX-RX TRANSCEIVER MODEM AUDIO ACCESSORI SELEZIONE CONFORMITA'  

WA-TX-01-R / WA-RX-01A-R
 
 

basic connection

Simple wireless audio transmission is possible simply by adding a battery and connecting the audio in/out terminal.
There is an LED terminal to indicate that the signal is being received.
Audio input level range should be -115 dBv to -15 dBv.

The DC-DC converter WA-DC-01 enables operation with one battery (1.5 V).
 See WA-DC-01 


WA-TX-01 connection example

* A 3 V power supply is used for the electret condenser microphone. The recommended value for R1 is 2 kohm with a 3 V supply. 
* If the input level is too high, insert a VR or simply insert a resistor at Mic.IN terminal in serial. (The level is lowered by -6 dB with 5 kohm, and by -10 dB with 10 kohm ignoring impedance of the microphone.) 
* If the level is insufficient, a microphone amplifier is required between the microphone and the WA-TX-01-R.


WA-RX-01 connection example
 

 

 

 

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