Page 14 FTDX5000 OPERATING MANUAL
INSTALLATION AND INTERCONNECTIONS
INTERFACING TO OTHER LINEAR AMPLIFIERS
NOTE
The TX/RX switching in the linear amplifier is con-
trolled by switching components in the transceiver. The
relay circuit of the FTDX5000 used for this switching
is capable of switching AC voltage of 100 Volts at up
to 300 mA, or DC voltages of 60 V at 200 mA or 30 V
at up to 1 Amp. To activate the amplifier switching
relay, set Menu item “172 TGEN ETX-GND” to “
EN-EN-
EN-EN-
EN-
ABLEABLE
ABLEABLE
ABLE”.
The specified range for ALC voltage to be used with
the FTDX5000 is 0 to –4 Volts DC.
Amplifier systems utilizing different ALC voltages will
not work correctly with the FTDX5000, and their ALC
lines must not be connected if this is the case.
GND GNDRELAY ALC
ACFUSEGND
RF INRF OUT
A
N
T
1
~
A
C
I
N
A
N
T
1
A
N
T
2
I
N
P
U
T
1
T
X
G
N
D
G
N
D
G
N
D
E
X
T
A
L
C
ANTENNA Cable
5
0
M
H
z
A
n
t
e
n
n
a
H
F
A
n
t
e
n
n
a
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