Anritsu MP8931A - DVB-SPI Interface Output Level

6.4 Performance Test
6-5
6.4.3 DVB-SPI interface output level
(1) Testing specifications
Item Specifications Remarks
Offset Voltage
1.125 to 1.35 V
Differential Voltage
247 to 454 mV
(2) Setup
100 Ω termination
MP8931A
Output
Input
Monitor
DVB-SPI
Oscilloscope
Fig. 6.4.3-1 Setup for DVB-SPI interface output level test
(3) Test procedure
1. Set up the equipment as shown in Fig. 6.4.3-1.
2. Open the main menu screen by pressing [Menu], and select
System*
→
Initialize to perform initialization.
3. On the main menu screen, select Interface
→
DVB-SPI to set
the interface.
4. Check that the obtained level meets the specifications.
Refer to “Connector” in (3) DVB-SPI interface of Appendix A
“Specifications” for details of signals.