Technical data

Testing Performance 2

4000 X-Series Oscilloscopes Service Guide 57

Test External Trigger Sensitivity (all models)

This test applies to all models.

Verify the external trigger sensitivity at these settings:

1 Connect the equipment (see Figure 9).

a Use the N cable to connect the signal generator to the

power splitter input.

b Connect one output of the power splitter to the

Aux Trig input through a 50Ω feedthrough termination.

c Connect the power sensor to the other output of the

power splitter.

Table 17 External Trigger Sensitivity Test Settings

Input Range 100 MHz 200 Mhz

1.6 V 40 mV

70 mV

8V 200mV

350 mV