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SECTION I
Performance
Verification
1.6.5
Total Harmonic Distortion
1. Connect the function synthesizer to an audio ana-
lyzer as shown in Figure l-4. Turn on both instru-
ments.
2. Restore factory defaults on the Model 3930A by
pressing SHIFT PRST.
3. Program a 1kHz sine function of 3OVp-p.
4. Set the audio analyzer to measure distortion, and
verify that the reading is within the limits specified
in Table l-6.
5. Change the frequen,cy setting of the synthesizer ac-
cording to Table 1-6, and verify the distortion read-
ings.
Table l-6.
Limits 'for Total Harmonic
Distor-
tion
Function
Amplitude
Frequency
Sine
3ovp-p
1kHZ
1OkI-b
2okHz
35kH!z
5okHz
7okHz
1OOkHZ
Allowable
Reading
(18'C
to 28'C)
< 0.1%
< 0.1%
< 0.1%
< 0.1%
< 0.1%
c 0.1%
< 0.1%
Model 3830A
-yL--mx"
Function
1
Model VP-7722A Distortion Analyzer
Model 7051-2 Coaxial Cable
I
Model 7755
5OQ Feed Through
Note: Put FLT Switch
in ground position
Figure 1-4.
Connections to Audio Analyzer
_.
-
1-8
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