Parameters Of Tower Mounted Amplifier (Tma) - Siemens BS-240 Technical Description

Information
Base Station System
4.1.3
Electrical System
Uplink RF-band
Return Loss (ANT / BTS port)
Return Loss by- pass mode
Nominal gain
Gain ripple
Passband ripple, max
Insertion loss bypass mode, max.
Noise figure, max.
Max. input power CW
1 dB compression point (CP1)
3rd order Intercept Point (IP3) on input
Current consumption
Downlink RF- band
Insertion loss
Downlink Return Loss (ANT / BTS port)
Return Loss (ANT / BTS port) bypass mode > = 18 dB
Passive Intermodulation products,
max. @ ANT port
Passive Intermodulation products,
max. @ BTS port
Tab. 4.3 Parameters of 900 MHz Tower Mounted Amplifier
A30808-X3247-L14-2-7618

Parameters of Tower Mounted Amplifier (TMA)

900 MHz Tower Mounted Amplifier
Technical Description (TED:BSS)
Specified
890- 915 MHz
> 14 dB
> 7,7 dB
25.5 +2/- 2.5 dB at 25˚C (77˚F)
25.5 +3/- 3.5 dB -33˚C to +65˚C
(-27˚F to +149˚F)
< +/- 0.5 dB at 25˚C (77˚F)
< +/- 0.8 dB -33˚C to +65˚C
(-27˚F to +149˚F)
< = 5 dB
3.6 dB
8 x 15 Watt input TMA
> = 16.5 dBm (output)
+ 1 dBm
< = 500 mA
935 – 960 MHz
< = 0.8 dB
> = 18 dB
IMD3 and higher
< = -108 dBm
IMD3 and higher
<= -108 dBm + Gain (Ant- BTS)
BS-240/241
Typical
> 15 dB
> 10dB
25.5 +/- 1 dB at
25˚C (77˚F)
< = 0.5 dB
max. 3.4 dB
2.8 dB
>= 6 dBm
< = 400 mA
< = 0.4 dB
>= 18.5 dBm
>= 18.5 dBm
-120 dBm
-100 dBm
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