User's Manual

Table Of Contents
©1999 Navia Aviation AS 21464-5 Detailed Description
USER MANUALNORMARC 7050
MARKER BEACON
12-9
12.1.3.2 Block diagram
Figure 12-3 PS 1375 block diagram.
12.1.3.3 Signals
(See block diagram Figure12-3)
12.1.3.4 Functional description
(See block diagram Figure12-3)
In From Description
VAC[L,N] Manis AC
AC_GND Mains Ground
AMUX_A[2:0] MO 1374
Address signals for differential analogue signal
bus
Out To Description
V28P
Battery charger voltage and primary DC voltage
28V
V20P TX 1373
DC voltage to transmitter section 20VDC
V12P
System DC voltage +12V
V12N
System DC voltage -12V
VDD
System voltage to digital parts
A_PS_[P,N]
Multiplexed maintenance signals
SYNC
Frequency syncronisation between power mod-
ules
DC
DC
DC
DC
DC
V
A A
V
V
V
V
VACL
VACN
ACGND
V20P
V20P_MEAS
V15P
V15P_MEAS
V15N
V15N_MEAS
VDD
VDD_MEAS
IBATT_MEAS
V28P
V28P_MEAS
I28P_MEAS
GND
DC
A
MUX_A[2:0]
A_PS_[P,N]
SYNC
SIGN_IBATT
SIGN_I28P
HBK819/1