TB 9-6625-2188-24
Table 5. Flatness Accuracy
Test instrument
Multimeter indications (V ac)
FREQUENCY HZ
Frequency multiplier
dial positions
pushbuttons positions (in)
Min
Max
1
x10
0.765730
0.783566
2
x10k
5
x10k
0.756965
0.792639
10
x10k
Figure 1. Output attenuator adjustment - equipment location (SG505, SG505 opt 01).
10. Total Harmonic Distortion
a. Performance Check
NOTE
Keep cables as short as possible.
(1) Connect notch filter INPUT to TI OUTPUT.
INPUT to OUTPUT of notch filter.
(2) Connect spectrum analyzer 1M
(3) Position TI controls as listed in (a) through (d) below:
FREQUENCY Hz dial to 2.
(a)
Frequency multiplier pushbutton to x10.
(b)
OUTPUT LEVEL (dBm) to +10.
(c)
OUTPUT LEVEL (dBm) CAL just out of detent.
(d)
6