Park Air Systems Limited B6350 User Manual
Chapter 2.
Specification
This chapter contains the T6T transmitter's specification that is common to all operating modes.
Specifications relevant to specific operating modes are contained in the section applicable to the
required operating mode.
DIMENSIONS AND WEIGHT
The dimensions and weight of the T6T transmitter are:
Width
483 mm (19 inches).
Height
88.9 mm (3.5 inches). The height occupies 2U of
equipment cabinet space.
equipment cabinet space.
Depth (front panel to rear panel)
430 mm (16.9 inches).
Depth (front panel to rear of fan)
450 mm (17.7 inches).
Weight
15.6 kg (34.4 pounds)
RF CHARACTERISTICS
Frequency range
118 to 136.975 MHz.
Output carrier power
The output power is adjustable between 5 and 50 watts.
Number of channels
The transmitter has a multi-channel capability.
100 channels can be stored and recalled.
100 channels can be stored and recalled.
Frequency accuracy
Better than 1 ppm for transmitter B6350.
Better than 0.25 ppm for transmitter B6350OPT1.
Better than 0.25 ppm for transmitter B6350OPT1.
Protection
Excessive VSWR. The transmitter will transmit at full
power into a VSWR of up to 2.5 :1. At a higher VSWR
the output power will be reduced by 10 dB
power into a VSWR of up to 2.5 :1. At a higher VSWR
the output power will be reduced by 10 dB
±
1 dB, if
necessary, in order to protect the transmitter.
Provision is made via the facilities port to allow an
external VSWR signal to be monitored. This is required
when isolators are employed which shield the transmitter
from a VSWR fault at the antenna.
external VSWR signal to be monitored. This is required
when isolators are employed which shield the transmitter
from a VSWR fault at the antenna.
PA Overheating. If the RF PA temperature exceeds
80
80
°
C, the output power is reduced by 6 dB
±
1 dB and a
BIT warning indicated.
If the RF PA temperature exceeds 90
°
C the transmitter
de-keys and a BIT alarm is indicated.
T6T General Information
Section 1
Page 9