Chapter 5 Technical Indices
Item
Index
Transmitter
Output Frequency
Tolerance
±0.05 ppm
Channel Output
Spectrum
Occupied
Bandwidth
< 1.24 MHz/Carrier
Antenna Port
Transmission
Power
Up to 80 W
Transmission
Power Stability
Rated power - 4 dB < total power
< rated power + 2 dB
Inner-transmitter
Intermodulation
Performance
One BTS transmits
signals at
the rated power while another
at that
minus 30dB. Combined
in the antenna port, their
intermodulation meets the
demand of BTS conducted
spurious emissions,
with the
signal intermediate frequency
difference
as 1.25 M.
Standing Wave
Ratio
< 1.50
Receiver
Sensitivity
< -127 dBm (RC1)
Dynamic Range
-127 dBm ~ -65 dBm
Noise Figure
< 3
Adjacent Channel
Selectivity
(ACS) Band Class 6: >
-53 dBm
(±2.5 M)
Requirements on
Receiver
Conducted and
Radiated Spurious
Emissions
Within the BTS receive frequency
band: -80 dBm
Within the BTS transmit frequency
band: -60 dBm
Other frequency bands: -47 dBm,
RBW: 30kHz
Standing Wave
Ratio
< 1.50
Table 15
describes the ZXSDR BS8800 AWS band RF Indices.
T
ABLE
15 AWS B
AND
RF I
NDICES
Item
Index
Working Frequency Band
AWS
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