Agilent Technologies Ininiium 9000 Especificações descarregar pdf (Página 62)

Chapter 4: Testing Performance

DC Gain Accuracy Test

up as follows and then click OK:

Source = Channel 1

Measurement Area = Entire Display

Press the Clear Display key on the scope, wait for the #Avgs value (top left corner of screen)

to return to 256 and then record the scope's mean V avg reading in the Vscope+ column in the

Offset Accuracy Test (50 W) section of the Performance Test Record.

6 Change the DC Supply voltage to -15 mV.

7 Press the Clear Display key on the scope, wait for the #Avgs value to return to 256 and then

Notes

• For all scope readings in this procedure, use the mean value in the Measurements display area at the

bottom of the screen.

• If a question mark is displayed in front of any of the values at the bottom of the screen, press the Clear

Display key on the scope, wait for the #Avgs value to return to 256 and then record the scope reading.

The question mark indicates that the oscilloscope could not make a reliable measurement. Therefore,

any results that contain a question mark should be considered suspect and you should follow the

directions above.

Record the

mean reading

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Agilent Technologies Ininiium 9000 Especificações Página 62