TB 9-6625-160-24
(11) Set RF REFERENCE SOURCE, LEVEL to corresponding ATTEN (dB) value
listed in Applied Attenuator column of table 15 below.
(12) Set TI SOURCE AMPTD to 6 V.
(13) Set TI MEASMT mode to first setting listed in table 15. (Set the LOG-LIN
button for a dB indication on TI right display).
(14) TI right display must indicate within values listed in Limits column of table 15.
(15) Set TI MEASMT mode to AC LEVEL.
(16) Repeat technique of (5) through (15) above for remaining values listed in
table 15 below.
Table 15. Distortion, Sinad and Signal/Noise.
Limits (dB)
RF reference source
TI Source
MEASMT
Minimum
Indicated
Maximum
(Hz)
(dB)
(Hz)
Mode
100
10
25
DISTN
-11.4
-9.4
100
10
SINAD
9.4
11.4
81.01
100
80
SINAD
79.0
-79.01
100
80
DISTN
-81.0
100
10
50
SIG/NOISE
9.4
11.4
100
80
SIG/NOISE
79.0
81.0
4k
10
2k
DISTN
-11.4
-9.4
4k
20
DISTN
-21.0
-19.0
4k
30
DISTN
-31.0
-29.0
4k
40
DISTN
-41.0
-39.0
4k
50
DISTN
-51.0
-49.0
4k
60
DISTN
-61.0
-59.0
4k
70
DISTN
-71.0
-69.0
4k
80
DISTN
-81.0
-79.0
6k
80
DISTN
-81.0
-79.0
6k
10
DISTN
-11.4
-9.4
8k
10
DISTN
-11.4
-9.4
8k
80
DISTN
-81.0
-79.0
10 k
80
DISTN
-81.0
-79.0
10 k
10
DISTN
-11.4
-9.4
40 k
10
DISTN
-11.4
-9.4
40 k
10
20 k
SINAD
9.4
11.4
40 k
10
SIG/NOISE
9.4
11.4
40 k
80
SIG/NOISE
79.0
81.0
40 k
80
SINAD
79.0
81.0
40 k
80
DISTN
-81.0
-79.0
200 k2
10
100 k
DISTN
-12.4
-8.4
200 k1
10
SINAD
8.4
12.4
200 k1
60
SINAD
58.0
62.0
200 k1
60
DISTN
-62.0
-58.0
300 k1
60
DISTN
-62.0
-58.0
300 k1
60
SINAD
58.0
62.0
300 k1
10
SINAD
8.4
12.4
300 k1
10
DISTN
-12.4
-8.4
The high and low indications must be averaged to determine the actual level.
1
Set the TI 80 kHz FILTER to off (Led off).
2
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