Node 5
lkmp
(temperature sensor)
This node registers the temperature of the cavity oscillator which must be
known for effective spur avoidance. The sensitivity is 10
mV/”
C. The oscillator
changes frequency slightly as its temperature changes. This sensor indicates the
temperature so that the frequency can be predicted.
Node 6
Integ (ALC leveling integrator output)
Perform step
A3
to set up a power sweep on the analog bus. Then press
(Meas)
..?...
,;.?
,.=;
<?.
&&u”jg&x4g
@
Ixl)
@iiixz)
ggi&
SC=.
,.. ..:::.. ..:..:..
..::
.i
.::
.
..A.....
..^..._............~....... i
.A
i
.._......
Node 6 displays the output of the
summing circuit in the ALC loop. Absolute
voltage level variations are normal. When node 6 goes above 0 volts, the ALC
saturation is indicated.
sg6266d
Figure
10-8.
Analog Bus Node 6
Service Kay Menus and Error Messages
1
O-31
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