TB 9-4931-495-24
.
Figure 11. Models 86330A-8633A and 86341B - adjustments.
(6) Press START MARKER pushbutton and turn MANUAL control to settings
listed in table 12a. Microwave frequency counter will indicate within limits specified in
(7) Repeat technique (6) above for MANUAL control and BAND settings listed in
table 12a. Microwave frequency counter will indicate within limits specified in table 12a.
Table 12a. Frequency Range (Models 8621A and B)
Test instrument
Test instrument
Microwave frequency counter
Test instrument
MANUAL control
nominal value
indications (GHz)
BAND settings
settings
(GHz)
Min
Max
BAND 1
ccw
0.100
0.075
0.125
BAND 21
ccw
1.800
1.775
1.825
2
BAND 3
ccw
3.200
3.167
3.233
BAND 1
cw
2.000
1.975
2.025
1
BAND 2
cw
4.200
4.175
4.225
2
BAND 3
cw
6.500
6.467
6.533
Insure that START and STOP MARKER pointers are set to 1.8 and 4.2 GHz on BAND 2.
1
2Insure
that START and STOP MARKER pointers are set to 3.2 and 6.5 GHz on BAND 3.
(8) Turn BAND switch to BAND 1, press CW pushbutton and set CW MARKER
pointer to midrange on frequency dial. Note microwave frequency counter indication.
(9) Adjust autotransformer from 105 to 125 V ac. Indication on microwave
frequency counter will not change more than 100 kHz from microwave frequency counter
indication noted in (8) above. Reset autotransformer to 115 V ac.
29