NDB Transmitter Type JTM-30C
NDB Transmitter Type JTM-30C supply 100 W PEP (25 W RMS Carrier)
and it is an ALL-IN-ONE unit consisting Antenna Tuning Circuits, Exciter(s) (generating the output signal), RF Power Amplifier(s) and Control & Monitoring circuits. All mounted inside an IP66 weatherproofed and ruggedized cabinet.
I.e. the Transmitter Unit contains all system modules except the Power Supply and the Remote Control Unit(s).
The transmitter can be powered from any 24V DC Power Supply or Battery capable of supplying up to 15 A. As standard we supply a Power Supply for 115/230 VAC mains with battery backup. During an AC Mains failure, the transmitter will automatically be powered from the battery (if connected).
The JTM-30C shall be mounted at the antenna location.
Transmitter tuning to match the antenna impedance is a manual procedure.
An Auto Tune function is offered as an option.
A heater element is installed inside the cabinet to reduce humidity at low temperatures.
Tele Supply AS
Fetveien 300
1900 FETSUND
NORWAY
Organization No. 935 787 610 MVA
Telephone +47 63884399