Chapter 4 Performance Test
4-10
4.3.3 Input distortion
(1) Measuring instrument for tests
Audio Analyzer: U8903A
(2) Setups
Below is the connection when the U8903A is used as Audio Signal
Generator.
Figure 4.3.3-1 Connection of Input Distortion Test
(3) Test target standards
Table 4.3.3-1 Standard
Standard Condition
< –60 dB 18 to 28°C
(4) Test Procedure
1. Connect the devices according to Figure 4.3.3-1.
2. Press
.
3. Press
(Preset) to initialize the MS2830A.
4. Initialize the U8903A.
5. Set the Mode of the MS2830A to RX measurement mode.
6. Set the MS2830A as below.
● High Pass Filter: Off
● Low Pass Filter: Off
● Weighting: Off
7. Set AF Input of the MS2830A as below.
● Input Type: Unbal.
● Input Range: 5 V p
U8903A
MS2830A
Coaxial Cable
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