Agilent Technologies 8935 Series Especificações descarregar pdf (Página 86)

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Chapter 3 85

Troubleshooting

Manual Troubleshooting Procedures (Step 4)

To isolate the RF Source:

1. On the Test Set:

a. Press

Preset.

b. Press the

Inst Config key to access the INSTRUMENT

CONFIGURE screen.

•Set the RF Display field to Freq.

•Set the RF Offset field to Off.

c. Press the

RF Gen key (to go to the analog RF GENERATOR

screen).

d. Set RF Gen Freq to 1800 MHz.

e. Set Amplitude to 0 dBm.

f. Set Output Port to Dupl.

2. On the external RF modulation analyzer or spectrum analyzer:

a. Set the tuning for the signal generated by the Test Set.

b. Connect the analyzer’s input to the Test Set’s DUPLEX OUT

connector.

3. Set the Test Set’s RF Gen Freq to 1800, then 600, 300, and 150 MHz.

For each frequency, the external RF analyzer should read as follows:

a. Power should read approximately 0.001 W for each frequency.

b. Frequency should read 1800, 600, 300, and 150 MHz respectively.

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