Nautel NX25, Operation And Maintenance Manual

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NX300 Operations and Maintenance Manual Description
Page 1-6 Issue 3.0 2012-11-01
Figure 1.3: RF Output Network
NOTE: The NX300 has 120 RF power modules, which are series combined.
RF
Pwr Mdl 1
RF 1 (+)
A68
Di
recti
onal
C
oupl
er
RF Voltage Sample
Forward Power
RF Current Sample
RF 1 (-)
L
Shunt Cap
a
cito
r
Ban
k
A69
S
tatic Drain
Parall
el Cap
a
citors
E1 Sp
ark gap
RF Out
to Antenna
L
Se
ri
es Combin
ing T
ransformer (1-60)
Shunt Cap
a
cito
r
Ban
k
Sample
Reflected Power
Sample
A67
RF Curre
nt Probe
A66
Voltage Probe
RF
Pwr Mdl 60
RF 60 (+)
RF 60 (-)
RF Pwr Md
l 61
RF 61 (+)
RF 61 (-)
RF
Pwr Mdl 120
RF 120 (+)
RF 120 (-)
Se
ri
es Combin
ing T
ran
sformer (61-12
0)
L
A70
RF
Cu
rrent Prob
e
C
L