Agilent Technologies N1022A Guia do Utilizador descarregar pdf (Página 75)

Performance Verification 5

Average Gain of Zoomed-In Channel

N2820/1A User’s Guide 75

positive gain:

7 Set the DC power supply to –20 mV.

NOTE Although this is the recommended setting, you can use any negative

voltage less than –35 mV.

8 Connect the multimeter on the DC power supply as shown

in Figure 43 on page 73.

9 Record the value of –V

measured on the multimeter:

–V

10 Connect the multimeter’s leads to the banana plug on the

output of the N1022A/B as shown in Figure 44 on page 74.

11 Record the value of –V

out

measured on the multimeter:

–V

out

12 Calculate the negative gain of the zoomed- in (primary)

channel and record the result in the following line:

negative gain:

13 Calculate the average of the two gains:

positive gain

out

------------

negative gain

–V

out

–V

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Agilent Technologies N1022A Guia do Utilizador Página 75