TB 9-4931-495-24
(5) Set CW pointer to midscale on frequency dial and note microwave frequency
counter indication.
(6) Adjust autotransformer from 105 to 125 V ac. Indication on microwave
frequency counter will not change more than the limits specified in table 9. Reset
autotransformer to 115 V ac.
(7) Decrease POWER LEVEL control 10 dB as indicated on power meter.
Indications on microwave frequency counter will not change more than limits specified in
(8) Press MARKER SWEEP (START) pushbutton and turn MANUAL control
(9) Adjust MANUAL control fully cw. Microwave frequency counter will indicate
within limits specified in table 10.
b. Adjustments. Perform adjustments as listed in table 8.
Table 8. Frequency Range and Accuracy (Model 86200 Series)
Test
Microwave frequency counter
Test instrument
instrument
indications
Figures
Model
adjustments
frequency
(GHz)
dial settings
Min
Max
86210A
0.003
---
<0.010
A1R21 (R)
0.100
0.093
0.107
Compromise
0.350
0.343
0.357
A1R11 (R)
86220A-H80
0.01
---
<0.020
A1R21 (R)
1
0.650
0.640
0.660
Compromise
1.30
1.290
1.310
A1R12 (R)
1.790
1.815
A1R51 (R)
86230B-H80
1.8
2.990
3.010
Compromise
3.0
4.190
4.210
A1R47 (R)
4.2
86241A-H80
3.2
3.170
3.320
A1R51 (R)
4.8
4.770
4.830
Compromise
6.5
6.470
6.530
A1R47 (R)
86242A-H80
5.9
5.865
5.935
A1R46 (R)
7.5
7.465
7.535
Compromise
9.0
8.965
9.035
A1R43 (R)
86250B-H80
8.0
7.960
8.040
A1R46 (R)
10.0
9.960
10.040
Compromise
12.4
12.360
12.440
A1R43 (R)
86260A-H80
12.4
12.350
12.450
A1R3 LO (R)
16.0
15.950
16.050
Compromise
18.0
17.950
18.050
A1R6 HI (R)
Switch CONNECTION A from MICROWAVE FREQUENCY COUNTER INPUT 2 to INPUT 1.
1
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