676 Chapter9
If You Have a Problem
Procedures
Reference Level Calibration
1. Press PRESET.
2. Connect a 50Ω coaxial cable (such as Agilent 10503A) between the
front-panel CAL OUTPUT and INPUT 50Ω connectors.
3. Set the analyzer center frequency to 300 MHz by pressing
FREQUENCY 300 MHz.
4. Set the analyzer span to 20 MHz by pressing
SPAN 20 MHz.
5. Press
PEAK SEARCH.
6. Set the analyzer reference level to −10 dBm by pressing
AMPLITUDE
10 −dBm.
7. Press
CAL, REF LVL ADJ.
8. Rotate the analyzer front-panel knob until the MKR reading is −10.00
dBm ±0.17 dB. There is a slight delay in time between adjusting the
knob and the change in marker value. Notice that the displayed REF
LEVEL CAL value changes. The REF LVL CAL value should range
between −528 and +528 (−33 to +33 with firmware revisions
≤920528).
9. Press
STORE REF LVL.
10.Press
PRESET.
GPIB Address Selection
1. The GPIB address for the analyzer is preset at the factory to a
decimal value of 18. Valid addresses range from 0 to 30. To view the
GPIB address, press
PRESET CONFIG, ANALYZER ADDRESS.
2. To change the address value, enter the new address number using
the front-panel data keys. Terminate the entry by pressing a units
key. For example, enter an address of 18 by pressing the
PRESET
CONFIG, ANALYZER ADDRESS, 18 Hz.
3. Press
STORE HPIB ADR.
4. Press
PRESET.
With the GPIB address set and trace alignment and reference level
calibration procedures successfully completed, the analyzer is ready for
normal operation.
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