Agilent Technologies 8360 L Series, Руководство по обслуживанию

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4. P o w er Flatness Adjustment
Calibration for standard instrumen t
Description
Note
If Option 001 is installed in y our instrumen t, p erform the \Step A tten uator
Flatness" adjustmen t.
This adjustmen t zeros the digital ALC array and measures the p o w er from the RF output.
The p o w er is measured ev ery 10 MHz in low band and ev ery 100 MHz in high and millimeter
bands. The calibration constan ts are adjusted to ac hiev e a at output.
The calibration factors for the p o w er sensor m ust b e added to the program. Refer to the
utilit y , \4. P o w er Sensor Conguration and Calibration F actor File", if necessary .
The following test equipmen t is required for this adjustmen t. No substitutions are allo w ed.
(The test setup is given in the softw are.)
T est Equipment Required
Instrument HP/Agilent
Mo del
Numb er
P ow er Meter 438A
P ow er Sensor (100 kHz to 4.2 GHz) 8482A
P ow er Sensor (50 MHz to 26.5 GHz) 8485A
P ow er Sensor (50 MHz to 50 GHz)
1
8487A
10 dB A tten uator (DC to 26.5 GHz)
2
8493C
1 F or 40 GHz synthesizers only .
2 F or high p ow er synthesizers only .
Procedure
Select the p o w er atness adjustmen t and en ter y our p o w er sensor data b y p erforming the
follo wing steps.
Note
If the p o w er sensor data w as added previously , and is still curren t, skip the
following steps and run the test.
1. Select the
NNNNNNNNNNNNNN
HELP softkey to access the p o w er sensor conguration and calibration men us.
2. Select p o w er meter conguration.
3. Select the sensor to edit.
4. En ter the p o w er sensor conguration data (follow the prompts on the display).
5-14 Automated T ests Agilent 8360