N5245-90002 User’s and Service Guide
29
N5244/45AS Option H85
Example: Making High Power Measurements With Option H85
Additional Setup
9. Turn Off the booster amplifier.
10.Connect the open port of the 20 dB coupler to the Port 1 CPLR THRU connector on the front
panel. This can also be done on Port 2 if reverse parameters high power measurements are
required.
11.Disconnect the REFERENCE SOURCE OUT and RCVR R1 IN jumper on the front panel.
Connect the coupled arm of the 20 dB coupler (along with any added attenuation) to the
RCVR R1 IN. The same instructions apply to Port 2 with one exception; disconnect the
jumper to RCVR R2 IN if high power measurements are required for the reverse parameters.
Figure 25
PNA-X Port 1 Amplifier, Coupler, Attenuator Connections
Fix Attenuator
Booster Amplifier
RF
INPUT
RF
OUTPUT
Coupler
Arm
20 dB
Coupler
Main
Coupler
Output
Fix
Attenuator
CPLR ARM
RCVR A IN
SOURCE OUT
RCVR R1 IN
CPLR THRU