Agilent-technologies N3970A Manual do Utilizador descarregar pdf (Página 37)

■ PERFORMANCE TEST

6. Measure the DUT.

a. Make sure the N3970A (DUT) has warmed up

b. Connect the attenuator output cable to the DUT as

shown in figure below.

Test Setup for the DUT Measurement

c. Select the correct wavelength on the DUT.

d. Set the attenuator to its value for setting 1.

■ Note the displayed power level of the DUT in the test re c o rd

e. Set the attenuator to its value for setting 2.

■ Note the displayed power level of the DUT in the test re c o rd

f. Set the attenuator to its value for setting 3.

■ Note the displayed power level of the DUT in the test re c o r d

g. Set the attenuator to its value for setting 4.

■ Note the displayed power level of the DUT in the test re c o r d

7. Repeat from list item 4 to list item 6 at 1550 nm.

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Agilent-technologies N3970A Manual do Utilizador Página 37