User's Guide

T6T 50 W VHF Transmitter Page 3 Specification
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Dimensions and Weight
The dimensions and weight of the transmitter are:
Width 483 mm (19 inches).
Height 88.9 mm (3.5 inches). The height occupies 2U of equipment cabinet
space.
Depth 430 mm (16.9 inches) measured from front panel to rear panel.
450 mm (17.8 inches) measured from front panel to rear of fan.
Weight 13.5 kg (29.76 pounds).
Environmental
Temperature range The transmitter operates to specification across the temperature
range of -20°C to +55°C.
The transmitter can be stored at temperatures ranging from
-30°C to +70°C without causing any damage.
Humidity The transmitter operates to specification at a relative humidity
between 5% and 90% non-condensing.
Altitude The radios operate to specification up to 15,000 feet. Additionally the
equipment is capable of storage at altitudes up to 50,000 feet without
damage.
Shock and vibration The radios comply with shock and vibration protection MIL-STD-810E,
method 516.4, procedure VI - Bench Handling.
Ventilation The transmitters are cooled by an integral fan, which normally runs at
half speed. At an RF PA temperature of 45°C this is increased to full
speed and at 40°C it reduces to half speed again.
The transmitters also include an additional temperature controlled fan
contained in the power supply.
Warm up time All variants are fully operational to specification within 20 seconds
after switch on except the T6T HS, which is fully operational within 20
seconds but can takes up to 10 minutes to achieve frequency
accuracy for offset carrier.
Table 2 Power Consumption
Requirement Normal Operation
ac dc
Maximum 500 VA 12 A
Not Transmitting 60 VA 1 A