Rf Unit - Codan NGT 2010 RF Technical & Service Manual

RF unit

The supply voltages for the RF unit are shown in
Drawing
Table 21: Supply voltages for the Audio Interface PCB in the RF unit
Supply
A
A (protected)
+10 V
+5 V
+5 VQ
+6 VSBY
Drawing
Table 22: Supply voltages for the Application Processor PCB in the RF unit
Supply
+5 V
VREF
Drawing
ALTERNATIVE TEXT
Table 23: Supply voltages for the RF/IF PCB in the RF unit (04-03106)
Supply
A
+5 V
+26 V
+10 V
+10 VRx
+10 VTx
NGT Transceiver System Technical Service Manual
04-03109
Description
Unregulated battery supply
2 A current-limited battery
+10 V regulated supply
+5 V regulated supply
+5 V quiet for opamp bias
+6.2 V standby for CIB
04-03108 (sheet 1)
Description
+5 V switchmode supply
+2.5 V reference voltage
04-03106 (sheet 1)
Description
Unregulated battery supply
+5 V regulated supply
+26 V from charge pump
supply
+10 V regulated supply
+10 V In Rx
+10 V In Tx
NGT—Technical description (2010)
Table 21 to Table 25.
Source
via Filter and Control PCB
IC14
IC9
IC10
IC10 (filtered)
IC4, D9, D10
Source
IC6
IC5
Source
via Audio Interface PCB
IC210
IC402
via Audio Interface PCB
V419, V420
V421, V422
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