HP 83751A, User Manual

Page: 44 / 282

Externally leveling the Sweeper
Figure 2-5 illustrates the setup that is used with the HP and
HP (standard power models). An external amplifier is required to
obtain maximum specified power.
SOURCE MODULE
I NSERFACE
RF OUTPUT
A D A P T E R
( I F R E Q U I R E D )
INTERFACE
EXTENDER
CABLE
M I C R O W A V E
A M P L I F I E R
RF IN
RF OUT
W - W A V E S O U R C E
MODULE
LEVELED
OUTPUT
Figure 2-5. Millimeter-wave Source Module leveling Using a Microwave Amplifier
Turn the sweeper line power off.
2. Set up the equipment as shown in Figure 2-4 or Figure 2-5.
3. Turn the sweeper line power on and press
4. When the key is pressed, the sweeper configures itself for source
module operation, and all of the ALC data necessary to communicate
properly with the sweeper is exchanged via the rear panel SOURCE
MODULE INTERFACE. Note that the EXT ALC annunciator is lit, and that
the POWER display shows the millimeter head output power.
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