User's Manual Part 1

SYSTEM CONFIGURATION AND CHARACTERISTICS ROI-S05748

2-24

2.4 Hybrid Combiner/Divider

There are two types of hybrid combiner/divider used in 1+1 protected

systems, one is coaxial cable connection type for 6/7/8 GHz Bands and the

other is ODU Direct Mount type for 11 - 38 GHz Bands. The following

NEC Hybrid Combiner/Divider is suited for Andrew or RFS Antenna, and

all NEC ODUs.

6/7/8 GHz Hybrid

11 - 52 GHz Hybrid

Fig. 2-6 Hybrid

Table 2-9 Characteristics

Frequency

Band

[GHz]

Frequency

Range

[GHz]

1-2 PORT

Var iat ion

Max.(dB)

Loss Max.

(dB)

Isolation

Min.(dB)

VSWR Max. Interface

(ANT Side) (ODU Side)

L6 5.925 - 6.425 0.5 3.7 20 1.3 UDR70 N Connector

U6 6.43 - 7.11 0.5 3.7 20 1.3 UDR70 N Connector

7 7.125 - 7.9 0.5 3.7 20 1.3 UDR84 N Connector

8 7.7 - 8.5 0.5 3.7 20 1.3 UDR84 N Connector

11 10.5 - 11.7 0.5 3.5 20 1.2

NEC

origin

NEC

original

13 12.75 - 13.25 0.5 3.5 20 1.2

15 14.5 - 15.35 0.5 3.5 20 1.2

18 17.7 - 19.7 0.5 3.5 20 1.2

23 21.2 - 23.6 0.5 3.5 20 1.2

26 24.5 - 26.5 0.5 3.8 20 1.2

32 31.8 - 33.4 0.5 3.8 20 1.2

38 37 - 39.5 0.5 3.8 20 1.2

* Custom ordered for 28 GHz.