Tektronix RTX100B, Service Manual

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Performance Verification
RTX100B ISDB-T RF Signal Generator Service Manual
3-9
This test verifies the internal clock output level and frequency accuracy.
Equipment
i d
Oscilloscope q p
required
Frequency counter
50
Ω
BNC cable
1. Use the 50
Ω
BNC cable to connect the Trig In/Out connector on the
RTX100B to the oscilloscope CH1 input. See Figure 3-6.
Oscilloscope (TDS5104B)
50
Ω
BNC cable
RTX100B rear panel
Figure 3-6: Equipment connection for checking the internal clock output level
2. Select Play > Others on the RTX100B to open the Others dialog box.
3.
In the dialog box, select the
Ext Trigger BNC
button to open the Ext
Trigger BNC dialog box.
4. In the dialog box, set BNC IN/OUT to Output and BNC OUT Selection to
27 MHz .
Internal Clock Output
Level and Frequency
Accuracy