User's Manual

10 Description TB8100 Installation and Operation Manual
© Tait Electronics Ltd June 2003
1.1 The TB8100 BSS Modules
The modules which make up the TB8100 BSS are described briefly below.
You can find more detailed information on these modules in the other
chapters in this manual, and also in the service manual.
Reciter The receiver, exciter and digital
control circuitry is located in the
reciter module. It also incorporates an
optional system interface PCB which
provides standard system inputs and
outputs.
Power Amplifier The power amplifier (PA) amplifies the RF output from the reciter and is
available in 5, 50 and 100W models.
The 5 and 50W models mount vertically in the subrack, while the 100W
model mounts horizontally as it has a wider heatsink. The 100W PA is also
fitted with an airflow duct.
Power
Management Unit
The power management unit (PMU)
provides the 28VDC power supply for
the modules in the TB8100 BSS. A
13.8VDC auxiliary output is also
available when the optional 40W
power supply is fitted. The input
voltage can be AC, DC or both AC
and DC, depending on the model.
5/50W PA 100W PA
AC and DC PMU shown