Power Flatness Adjustment - Agilent Technologies 83620A Service Manual

4. Power Flatness Adjustment

Calibration for standard instrument
Description
If Option 001 is installed in your instrument, perform the \Step
Note
Attenuator Flatness" adjustment.
his adjustment zeros the digital ALC array and measures the power from
the RF output. he power is measured every 10 MHz in low band and every
100 MHz in high and millimeter bands. he calibration constants are adjusted
to achieve a at output.
he calibration factors for the power sensor must be added to the program.
Refer to the utility, \4. Power Sensor Con guration and Calibration Factor
File", if necessary.
he following test equipment is required for this adjustment. No substitutions
are allowed. ( he test setup is given in the software.)
Power Meter
Power Sensor (100 kHz to 4.2 GHz)
Power Sensor (50 MHz to 26.5 GHz)
Power Sensor (50 MHz to 50 GHz)
10 dB Attenuator (DC to 26.5 GHz)
1
For 40 GHz synthesizers only.
2
For high power synthesizers only.
5-16 Automated Tests
All manuals and user guides at all-guides.com
Test Equipment Required
Instrument
1
2
P Model
Number
4 8A
8482A
8485A
8487A
849 C
HP 8360