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N5244/45AS Option H85
Operation
Ports 1 and 2 are configured to allow the user to stimulate each port with high power. Each port
must have a high power amplifier and high power coupler. The isolators, reference and
measured receiver attenuators are optional. They are dependent on the high power couplers
coupling factor, amplifiers reverse isolation and power required to test the device. The
attenuator, located at the high power coupler arm, may not be required if the coupling factor
attenuates the signal adequately for the reference receiver channel. The same is also true for
the measure receiver channels. The measure receiver attenuators for A IN and B IN may have
sufficient range to compensate for the users desired power level. The isolators maybe
eliminated if the amplifier reverse isolation is high. Refer to
Figure 10
2-Port, Two Way High Power Configuration
RCVR A IN
CPLR ARM
Fix Attenuator
SOURCE OUT
CPLR THRU
RCVR R1 IN
Booster Amplifier
RF
RF
INPUT
OUTPUT
10
High Power 2 Way
Direction Configuration
DUT
Fix
Attenuator
Coupler
Arm
20 dB
Coupler
Coupler
Main
Output
Figure 10
and
Booster Amplifier
Fix
Attenuator
RF
OUTPUT
Coupler
Arm
20 dB
Coupler
Coupler
Output
Main
N5245-90002 User's and Service Guide
Figure 11 on page
11.
RCVR B IN
CPLR ARM
Fix Attenuator
SOURCE OUT
CPLR THRU
RCVR R2 IN
RF
INPUT
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