Hubbel RFL PLC Hybrid Pro, Руководство пользователя

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RF-MCHYBRIDPRO-01
Hubbell Power Systems, Inc. – RFL™ Products
June 2019 36 973.334.3100
To FSVM /
50-ohm termination
IN 1
SPL/COM
IN 2
LINE 1
LINE 2
Signal In
50-ohm
dummy load
50-ohm
dummy load
Figure 47 – Measuring Splitter/Combiner Isolation, IN 1 to IN 2
F1 0 °
IN 1
F1 0 °
SPL/COM
IN 2
LINE 1
LINE 2
F1 180°
Signal In
180-degree phase separation
between LINE 1 and LINE 2
50-ohm
dummy load
50-ohm
dummy load
0-degree phase separation
between IN 1 and LINE 1
Figure 48 – Measuring Splitter/Combiner Phase Relationships, IN 1 to LINE 1, LINE 1 to
LINE 2
5.5 Testing the Bypass Hybrid
The bypass hybrid has one parameter which must be checked to verify correct operation: insertion loss.
It must be checked in several places.
50-ohm
dummy load
LINE 1
LOCAL
LINE 2
To FSVM /
50-ohm termination
BYPASS
Signal In
Figure 49 – Measuring Bypass Insertion Loss, LINE 1 to LOCAL