HP 8340B Manual page 220

5-17. RF OUTPUT POWER FLATNESS ADJUSTMENT
Reference
Performance Test: Maximum Leveled Output Power and Accuracy
Service Section:
RF
Description
This procedure adjusts the OUT's RF output power flatness across the entire frequency range. Flat-
ness is adjusted by using an oscilloscope to view the power meter's recorder output while sweeping.
Flatness corrections are made by modifying the appropriate Calibration Constants.
OUT
Equipment
Oscilloscope
Power Meter
Power Sensor
Power Sensor
Adapters:
APC 3.5 (f) to APC 3.5 (f)
(required for HP 8340B to HP 8485A connection)
APC 3.5 (f)
(required for HP 8341B to HP 8485A connection)
APC 3.5 (f) to Type N (f)
(required for HP 8340B to HP 8481A connection)
HP 8340B/41B
Section
Figure 5-61. RF Output Power Flatness Setup
Type N
—
(in)
OSCI LLOSCOPE
HP1741A
HP436A
HP8485A
HP8481A
HP P/N 5061-5311
HP P/N 1250-1 744
HP P/N 1250-1745
Adjustments 5-115