Tektronix SPG300, Service Manual, Page: 94 / 176

Performance Verification
4-22
SPG600 & SPG300 Sync Pulse Generators Service Manual
48 kHz Clock Output
This test verifies that a 48 kHz clock signal is output correctly from the WORD
CLK connector. The following equipment is required for this test.
„
Oscilloscope
„
75
Ω
BNC cable
Perform the following procedure to verify that a 48 kHz clock signal is output
correctly from the WORD CLK connector.
1. Use the 75
Ω
BNC cable to connect the WORD CLK connector on the sync
pulse generator to the oscilloscope CH1 input. See Figure 4-9.
Figure 4-9: Equipment connection for verifying the 48 kHz clock output
2. Set the oscilloscope settings as indicated below:
Vertical. . . . . . . . . . . . . . . . .1 V/div
Horizontal . . . . . . . . . . . . . .10
µ
s/div
Acquire menu . . . . . . . . . . .Sample
Measure . . . . . . . . . . . . . . . .High and Low
Trig position . . . . . . . . . . . .50%
Trig slope . . . . . . . . . . . . . . .Rising Edge
Input impedance . . . . . . . . .1 M
Ω
3. Use the oscilloscope to measure that the signal amplitude is as follows:
Low: < 0.8 V
High: > 2.1 V
This completes the Performance Verification procedure. If you require further
assistance, contact your nearest Tektronix Service Center.
SPG600 rear panel
75
Ω
BNC cable
Oscilloscope (TDS3032B)