JRC JSS-296 - NAH-692;695;698 Power Amplifier block diagram

6.4 NAH-692/695/698 Power Amplifier block diagram
PFC
DC24V
DC/DC 1
DC80V
DC/DC 2
DC13.6V
DC/DC 4
AC IN
PA(A)
(300W)
Spliter
Combiner
Surge
Suppressor
RF OUT
to ATU
CONT
Serial
(TXD/RXD)
Analog value
PA_MUTE
Serial
(TXD/RXD)
PA_MUTE
+BK/-BK/RBK
TX_INH
JSB-196GM
Radiotelephone
NFC-296/896
ATU
External
Units
ANT CURR
PA/PS control
Analog value Alarm
DC24V(Battery) DC24V(VHF)
DC13.6V(JSB-196GM)
RF IN
from JSB-196GM
DC80V
DC26-30V
PS UNIT
NAH-692/695/698 POWER AMPLIFIER
PA UNIT*
Note) JSS-296 needs PA(A) only. Additionally JSS-596 needs PA(A) and PA(B), and JSS-896 needs all of the PA modele (A to C).
DC24V(SES)
SES
or
MF/HF
DC12V
Sub-PS
DC24V
DC/DC 3
DC350V
DC12V
+BK/RBK
CONT
DC24V
DC24V
DC24V
PA(B)
(300W)
PA(C)
(300W)
NAH-692/695/698 POWER AMPLIFIER
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