2N Telekomunikace 2N BlueStar, Руководство пользователя

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!! Preliminary version of user guide v1.8 !!
!! Preliminary version of user guide v1.8 !!
27
4.1.2. Standard configuration of internal antenna splitter of 3G Extension rack
NUMBER
OF INPUTS
NUMBER
OF OUTPUTS
INPUT – OUTPUT
INSERTION LOSS
UNIT
HIGH
32 2 < 15 dB 6U
4.1.3. Standard configuration of internal antenna splitter for BlueStar
NUMBER
OF INPUTS
NUMBER
OF OUTPUTS
16 2
16 1
8 2
8 1
4.1.4. Standard configuration of internal antenna splitter for BlueTower
NUMBER
OF INPUTS
NUMBER
OF OUTPUTS
4 1
4.1.5. Technical parameters of antenna splitters
Parameters Value Notice
Connector type
Input connector SMA type, female
Output antenna connector N type, female
RF parameters
Impedance 50 OHM
Frequency 850 – 1900 MHz
Insertion loss < 8, 11, 15 dB According configuration
Isolation between two channels > 20 dB
Output over voltage protection
Device type Gas protector
Protected voltage level 90 V
Peak current 10 KA
Insertion loss 0.2 dB
To minimize signal loss, use the dummy load on the free (not used) connectors of the antenna
combiner. If you have not received the dummy loads together with the SMA connector, you can
order them separately.
Results of measurement with and without „dummy load“: