DX WORLD ELECTRONICS
RX-TX & ANTENNA SWITCH v2.0
 
MAX POWER : 2000w pep
POWER SUPPLY: 12-14V
 
THIS BOARD IS TO SWITCH AMPLIFIER BETWEEN TRANSMIT AND RECEIVE FOR USE WITH TRANSCEIVER.
ALSO HAS 2 ANTENNA PORTS THAT YOU CAN USE.
 
ON BOARD CONNECTIONS:
-TRX IS TO CONNECT THE TRANSCEIVER RF SIGNAL
 
-AMP IN IS TO CONNECT TO RF INPUT OF AMPLIFIER BOARD
 
-AMP OUT IS TO CONNECT FROM AMPLIFIER OR LPF IF USED RF OUTPUT.
 
-ANT1 IS ANTENNA 1 CONNECTION
 
-ANT2 IS ANTENNA 2 CONNECTION
 
-+12V IS TO SWITCH BETWEEN ANT1 AND ANT2 (ANT1 IS DEFAULD WITH NO VOLTAGE).
 
-TX  IS TO CONNECT INDICATOR LED LIGHT WHEN TRANSMIT (TX).
 
-BIAS IS TO PROVIDE +12V ONLY DURING TX FOR CONNECT TO AMPLIFIER BOARD BIAS IF DESIRED. THIS WAY AMPLIFIER BIAS WILL ENABLE ONLY WHEN TRANSMIT.
 
-PTT IS TO CONNECT RCA JACK FOR PTT KEY FROM TRANSCEIVER.(when grounded goes TX).
 
-R/DLY IS TO CONNECT TO THE RF DELAY BOARD +V (WHEN NOT USING THE UNIVERSAL BAND DECODER BOARD).
 
ON BOARD TEST BUTTON IS TO PRESS TO ENABLE TX MANUAL TO CHECK BOARD/CONNECTIONS OR ADJUST AMPLIFIER BIAS WHEN CONNECTED.
 
BOARD SIZE: 95x70mm
Version 2.0 released 25/11/2025
 
RF DELAY BOARD