8
Connecting Your Amplifier
• Connect the RF output of your transceiver to the RF Input connector on the rear of the HF-
2500 EXPORT with 50 Ohm coaxial cable.
• Connect the existing station antenna tuner or a Wattmeter and dummy load to the RF Output
connector on the HF-2500 EXPORT with RG-8 or better coaxial cable.
• Connect the Keyline jack on the rear of the HF-2500 EXPORT to the normally open terminal
of the relay jack on your transceiver. The Key jack on the HF-2500 EXPORT has positive 5
VDC open circuit and requires the sinking of 15 mA of current when pulled to ground.
• Connect as short a ground lead as possible from a good RF ground to the Ground Post on
the HF-2500 EXPORT.
• Connect the ALC phono jack to the ALC connection on your transceiver using a shielded
cable. Consult your transceiver manual for proper ALC connection details.
Key
ALC
RF Ouput
RF Input
RF Output
Ground
Antenna
Tuner
Ground
To Earth
Ground
ALC TX GND
To Antenna
Transceiver
HF-2500 Export Amplifier
Wattmeter
To
Dummy
Load
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