MFJ MFJ-1886TR - Connections; 12 VDC; TRANSCEIVER; XMIT ANTENNA

Connections
Operation
12VDC
TRANSCEIVER
XMIT ANTENNA
LOOP ANTENNA (DCPASS)
KEY
ConnectyourlinearsupplyincludedwiththeMFJ-1886TRtothisport. Thepowerrequirements
are12-14VDCat500mA.
RFinputfromyourtransceiver.
Theterminalforthetransmitantenna.Whenofforpowerisremovedthetransceiveris
connectedtothetransmitantenna.
Theloopantennaisconnectedtothisport.Donotshortthecenterpintogroundoraddabalun
withcontinuitytogroundtothisport.
RCA terminaltoconnecttotheSENDorKEY outputofthetransceiver. Thisisusuallythe
connectionusedtokeyanamplifier.Checkyourradiomanualfortheproperconnections.
Whenoffthetransmitantennaisselectedbydefault.
WhenONtheLoop Antennaisconnectedtothetransceiver.
WhentheKEY lineisshortedtogroundthetransmitantennaisselectedandthepoweris
disconnectedfromtheloopamplifier.
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ON
OFF
Bias-Teewith
Transmit/Receive
AntennaSwitch
MFJ-4113TR
POWER
LOOP
ANTENNA
DCPASS
KEY
XMITANTENNA
TRANSCEIVER
-
+
12VDC