TB 9-6625-2271-50
Table 6. Distortion Measurement Accuracy at
-60 dB
Test instrument
SOURCE
Test instrument
FREQ
indications
settings
(dB)
(kHz)
Min
Max
19.99
-61
-59
21
-62
-58
50
-62
-58
100
-62
-58
(7) Set calibrator for a 10 mV, 222 Hz output. Repeat technique of (5) above using
TI SOURCE FREQ settings and indications listed in table 7.
Table 7. Distortion Measurement Accuracy at
-40 dB
Test instrument
Test instrument indications
SOURCE FREQ
(dB)
settings
Min
Max
21
Hz
-41
-39
1
kHz
-41
-39
19.99 kHz
-41
-39
21
kHz
-42
-38
50
kHz
-42
-38
100
kHz
-42
-38
(8) Connect calibrator OUTPUT HI and LO to TI INPUT LOW.
(9) Set calibrator for a .1 V, 222 Hz output. Repeat technique of (5) above using TI
SOURCE FREQ settings and
indications listed in
table 8.
Table 8. Distortion Measurement Accuracy at
-20 dB
Test instrument
Test instrument indications
SOURCE FREQ
(dB)
settings
Min
Max
21
Hz
-21
-19
1
kHz
-21
-19
19.99 kHz
-21
-19
21
kHz
-22
-18
50
kHz
-22
-18
100
kHz
-22
-18
13