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2-way CIB combiner band 3 DAB 60 kW WB input 20 kW NB input liquid cooled

576884
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RF characteristics

Number of interfaces:
3
Interface type:
3 1/8" EIA (50 Ω) per IEC 60339-2
4 1/2" EIA (50 Ω) per IEC 60339-2
4 1/2" EIA (50 Ω) per IEC 60339-2
Port / path designation:
Port 1: narrow band input
Port 2: wide band input
Port 3: output
Interface direction:
straight
Input : output ratio:
2 : 1
Combiner type:
CIB
Number of cavities:
8
Size of cavities:
245
Standard:
DAB
Broadcast transmission type:
DAB
T-DMB
Frequency range:
174 to 240 MHz
Frequency band:
Band 3
Average power rating:
20 kW
Tuning instruction:
AS8164
Wide band power:
60 kW
Wide band power remark:
Attention: The power at the wide band input must be reduced by 50 % of the power fed into the narrow band input.
Wideband insertion loss, max.:
0.1 dB (non adjacent)
Output peak voltage rating:
15.5 kV
VSWR, max.:
1.1
Harmonics insertion loss:
≥ 50 dB for f < 460 MHz
≥ 40 dB for 460 - 480 MHz
Isolation, min.:
35 dB (between inputs)
Temperature stability:
≤ 1 kHz / K

Mechanical characteristics

Cooling type:
liquid
Weight, approx.:
360.0 kg
Length:
1.455 m
Width:
670.0 mm
Height:
1,530.0 mm

Environmental conditions

Environmental conditions:
for limitations see "Environmental Conditions for Broadcast Products" TD-00060

Further remarks

Remark:
• compact design
• for 1.54 MHz block width
• integrated mask filters for DAB and T-DMB
• adjacent block operation
• temperature compensated
• filters with cross coupling (notch function)
Footnote:
Alternative tuning on request
Customs tariff number:
85291080

Downloads

CB-L-46-DS.pdf

Product data sheet – 576884 – CB-L-46-DS.pdf