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ClearGain
®
Tower-Mounted Amplifier
7
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ClearGain
®
Tower-Mounted Amplifier
Europe, Middle East, Africa
Bias-T Units
As part of ADC’s modular ClearGain Tower-Mounted Amplifier (TMA) system, the ClearGain Bias-T Unit
can be used indoors and outdoors in conjunction with the ClearGain Power Distribution Unit (PDU) to
extend DC power, alarm and monitoring information between the PDU and the TMA. The Bias-T Unit,
also known as the DC current injector, inserts DC power into the coaxial cable and extracts signals from
the alarm and monitor circuits. ADC’s Bias-T Unit is configured as a kit that includes the Bias-T Unit with
standard international connectors, 3 meters of DC cable, and 1.5 meters of Grounding cable.
Typical Specifications
PRODUCT CONFIGURATION
Main path connectors:
7/16 DIN or N-Connectors
DC injection/Sample port connector:
TNC jack (female)
Mounting and grounding:
/M8 / brk (MH - bulkhead mounting/ M - screw / brk - bracket)
TECHNICAL DATA
Impedance:
50 ohms
Frequency range:
800 to 2200 MHz
Return loss:
> 19 dB
Insertion loss:
< 0.2 dB
RF CW power:
500 W
PIM 3rd order:
< -108 dBm
Surge current handling capability:
3 kA single
Operating temperature:
-40°C to + 65°C (-40°F to 149°F)
Waterproof degree:
IP 65
DC injection / DC bypass current:
< 2 A
DC supply / DC bypass voltage:
< 48 V
MTBF:
600,000 hours
Size:
55 mm x 95 mm x 40 mm (2.17" x 3.74" x 1.57")
Weight:
0.3 kg (.66 lb)
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