TB 9-6625-2340-24
Table 4. Center Frequency Accuracy - Continued
Synthesized
Test instrument
signal generator
Frequency readout
Output
Center
frequency
frequency
Frequency
Min
Max
(GHz)
(GHz)
span
(GHz)
(GHz)
6
6
10 MHz
5.9997
6.0003
6
6
100 MHz
5.998
6.002
6
6
1 GHz
5.98
6.02
9
9
1 MHz
8.99998
9.00002
9
9
10 MHz
8.9997
9.0003
9
9
100 MHz
8.998
9.002
9
9
1 GHz
8.98
9.02
9
9
10 GHz
8.8
9.2
12
12
1 MHz
11.99998
12.00002
12
12
10 MHz
11.9997
12.0003
12
12
100 MHz
11.998
12.002
12
12
1 GHz
11.98
12.02
12
12
10 GHz
11.8
12.2
15
15
1 MHz
14.99998
15.00002
15
15
10 MHz
14.9997
15.0003
15
15
100 MHz
14.998
15.002
15
15
1 GHz
14.98
15.02
15
15
10 GHz
14.8
15.2
18
18
1 MHz
17.99998
18.00002
18
18
10 MHz
17.9997
18.0003
18
18
100 MHz
17.998
18.002
18
18
1 GHz
17.98
18.02
18
18
10 GHz
17.8
18.2
(13) Disconnect TI 10 MHz OUT (rear panel) from synthesized signal generator No. 1
10 MHz REF IN (rear panel).
b. Adjustments
(1) Disconnect TI RF INPUT from synthesized signal generator No. 1 RF Output.
(2) Set TI LINE switch to STANDBY.
(3) Position TI on its right side.
(4) Remove TI bottom cover.
(5) Remove cover over A12 through A16 pc boards.
(6) Jumper A12TP2 to A12TP3 (lock indicator disable).
(7) Set TI LINE switch to ON.
(8) Press 0 2.5 GHz, SWEEP TIME, 500, mS.
(9) Connect oscilloscope Vertical 1 input to TI A16TP3 (fig. 3).
(10) Connect TI SWEEP + TUNE OUT (rear panel) to oscilloscope Vertical 2 input.
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