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Label
Information
Sample Label
Parameter
Meaning of the Parameter
(5): Type of antenna
interface
C: round waveguide
R: rectangular waveguide
F: flange
(6): Type of ODU
interface
C: round waveguide
R: rectangular waveguide
N: type-N, female
Code of the
hybrid
coupler
(ITEM)
27140065
-
Indicates the code of the hybrid
coupler.
Description of
the hybrid
coupler
(DEPICT)
1270-1330MHz,3dB
②
①
(1): Operating
frequency range
Indicates the operating frequency
range (MHz) of the hybrid coupler.
(2): Coupling
Indicates the coupling (dB) between
the primary branch and the secondary
branch.
Serial number
of the hybrid
coupler (S/N)
21271400651603000108
-
Identifies the hybrid coupler uniquely.
Bar code area
bar code area
-
Indicates the bar code of the serial
number of the hybrid coupler.
2.6 Technical Specifications
The technical specifications of the hybrid coupler include electrical and mechanical
specifications.
Table 2-4
Performance of the hybrid coupler
Item
Performance
Loss of the main path (dB)
3.3±0.3 (3 dB balanced hybrid coupler)
≤ 1.7 (6 dB unbalanced hybrid coupler with
waveguide interfaces)
≤ 1.9 (6 dB unbalanced hybrid coupler with
coaxial interfaces)
Ripple of loss (dB)
≤ 0.5
Loss of the standby path (dB)
3.3±0.3 (3 dB balanced hybrid coupler)
6.5±0.6 (6 dB unbalanced hybrid coupler)
2 Hybrid Coupler
OptiX RTN 600 ODU
Hardware Description
2-6
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 06 (2010-05-30)