Tektronix RTX130B, Service Manual

Page: 71 / 180

Performance Verification
RTX130B QAM & VSB RF Signal Generator Service Manual
3-21
10. On the RTX130B, make the following settings:
Play menu
Clock Data Rate: 214 Mbps . . . . . . .
Update Off . . . . . .
Source RAM . . . . . .
QAM/VSB menu
BNC Port ASI . . .
Through Out Off .
RF Out Off . . . . .
11. Press the Play/Pause button on the RTX130B to start playing the
test40.TRP.
12.
Verify that the hierarchic view is displayed on the MPEG analyzer screen.
In addition, verify that the bit rate is 214 Mbps and the packet size is
188
bytes.
13. Click the Record button on the MPEG Player application to record the file.
14. After recording is completed, press the Stop button on the RTX130B.
15. Disconnect the 75
Ω
BNC cable from the RTX130B and MPEG analyzer.
Checking the ASI Record Operation.
16.
Use the 75 Ω BNC cable to connect the ASI/SMPTE Input connector on the
RTX130B to the ASI/SMPTE Out connector on the MPEG analyzer.
See Figure 3-12.
MPEG analyzer rear panel (MTS430)
75
Ω
BNC cable
RTX130B rear panel
Figure 3-12: Equipment connection for checking the ASI record operation