Codan NGT 2010 RF Technical & Service Manual page 545

External high-power systems
The external NGT high-power system comprises:
•
•
These items are used to interface the NGT transceiver system with vendor high-power
amplifiers.
Supply voltages
The supply voltages for the HPAC and the ALC adaptor modules are shown in
and Table
Drawing
Table 12: Supply voltages for the High-power PA & Antenna Control PCB in the
HPAC
Supply
+5 V
+5 A
+12 V
Drawing
Table 13: Supply voltages for the High-power ALC Adaptor PCB in the ALC
adaptor module
Supply
+12 V
NGT Transceiver System Technical Service Manual
an HPAC module
an ALC adaptor module
13.
04-03377
Description
+5 V digital supply
+5 V microprocessor supply
+12 V unregulated supply
04-03407
Description
+12 V unregulated supply
High power—Technical description
Source
IC1
IC1
from NGT RF unit
Source
from NGT RF unit
Table 12
231