ACCEPTANCE TESTING
6-10
Modulation oscillator distortion
C0219
LF
OUTPUT
UUT
Audio Analyzer
INPUT
➤
Fig. 6-5 Modulation oscillator distortion test set-up
(1) Connect the test equipment as shown in Fig. 6-5.
(2) Set the UUT to
[Source Freq: F4]
100 Hz.
(3) Check that the distortion measured on the audio analyzer at the frequencies indicated in
Table 6-6 is less than 0.1%.
Table 6-6 Distortion frequency settings
Modulation oscillator frequencies
100 Hz
10 kHz
1 kHz
20 kHz