Supply Voltages; Handset; Rf Unit - Codan NGT 2010 RF Technical & Service Manual

NGT—Technical description (2011/2012)

Supply voltages

Handset

The supply voltages for the handset are shown in
Drawing
Table 26: Supply voltages for the Handset PCB in the handset
Supply
Standby
Handset power
+5 V
–9 V

RF unit

The supply voltages for the RF unit are shown in
Drawing
Table 27: Supply voltages for the Audio & Interconnect PCB in the RF unit
(2011 only)
Supply
A
A (protected)
+10 V
+5 V
+2.5 VQ
+5 VQ
+5 VSBY
106
04-03125
Description
+5.4 V when transceiver is off ext
+9.2 V when transceiver is on ext
+5 V regulated supply
–9 V for IC7
04-03425
Description
Unregulated battery supply
2 A current-limited battery
+10 V regulated supply
+5 V regulated supply
+2.5 V quiet for opamp bias
+5 V quiet for opamp bias
+5.4 V standby for handset
Table 26.
Source
IC10
IC5
Table 27 to Table 32.
Source
via Filter and Control PCB
F1
via Filter and Control PCB
IC7
IC7 (filtered)
IC7 (filtered)
D3, D4
NGT Transceiver System Technical Service Manual