TB 9-6625-2271-40
Figure 7. SINAD measurement.
(3) Set calibrator for a .1581 V, 1200 Hz output. TI indication will be between -9 and
-11 dB.
(4) Repeat technique of (3) above using calibrator output settings and TI indications
listed in table 13.
NOTE
To accommodate both TI models the absolute values will be
used in this test (no sign).
Table 13. SINAD Measurement
Calibrator output settings
Test instrument indications
V
Min
Max
.05
1200 Hz
19
21
.01581
1200 Hz
29
31
.15811
80 kHz
8
12
.05
80 kHz
18
22
.01581
80 kHz
28
32
1Press
TI SOURCE FREQ key and enter 40 kHz using DATA ENTRY keys.
b. Adjustments. No adjustments can be made.
17. Final Procedure
a. Deenergize and disconnect all equipment. Return switch settings to original
positions.
b. Annotate and affix DA label/form in accordance with TB 750-25.
