Performance Verification
4-12
TDS3000B Series Service Manual
This test checks the edge-trigger sensitivity for each channel at 50 MHz.
1. Connect the output of the leveled sine wave generator to the oscilloscope
channel 1 input as shown below.
Leveled sine
wave generator
Ch 1
Oscilloscope
2. Push the SAVE/RECALL menu button.
3. Push the Recall Factory Setup screen button and then push the OK
Confirm Factory Init screen button.
4. P ush the acquire MENU button.
5. Push the Mode screen button and then push the Average screen button.
6. Adjust the number of averages to 16 with the general purpose knob.
7. Push the trigger MENU button.
8. Push the Source screen button and then push the Vert screen button.
9. Set the horizontal SCALE to 100 ns/div.
10. Go to step 13.
11. Move the output cable of the leveled sine wave generator to the oscilloscope
channel you want to check.
12. Push the channel button (CH 1, CH 2, CH 3,orCH 4) to activate the
channel you want to check.
13. Push the vertical MENU button.
14. Push the Coupling screen button and select 50 Ω input resistance.
15. Push the MEASURE menu button.
16. Push the Select Measurement screen button.
17. Push the -- m o r e -- screen button until you can select the Pk-Pk measure-
ment.
18. Set the vertical SCALE to 500 mV/div.
Check Channel
Edge-Trigger Sensitivity at
50 MHz
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