Node 1
Bh
Fwr
DAC (main power DAC)
Perform step A3 to set up a power sweep on the analog bus. Then press
m
,..,.,,..;.
dklJ&ti#
J$
fg
Ixl)
(Scale)
.~~~~~~.
Node 1 is the output of the main power DAC. It sets the reference voltage to the
ALC loop. At normal operation, this node should read approximately -4 volts at
0
dBm
with a slope of about -150
mV/dB.
This corresponds to approximately
4 volts from -15 to + 10
dBm.
START
-15
B
dh
cw
3
888.088
am
PtHZ
STOP
IB
0
am
sg6262d
Figure 10-4.
Analog Bus
Node
1
Service Key Menus and Error Messages
1
O-27
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