User Manual

MN021-01
Page 24 of 28
RRFF SSYYSSTTEEMM PPEERRFFOORRMMAANNCCEE TTFFLLFF++11 ooff 44 TTFFAAFF ((11 ooff 22 TTFFAAFF RRFF ppoorrttss))
Downlink GSM
(900MHz)
AMPS/Trunking
(800MHz)
DCS
(1800MHz)
PCS
(1900MHz)
Frequency translation None
Nominal RF input level +13dBm (1 tone CW)
Max allowed RF input level +27dBm (1 tone CW)
Nominal RF gain 0dB
Flatness (in passband)
±2dB
Output wideband noise <-120dBm/Hz
Max RF output level under ALC (note1) +13 dBm typ. +18 dBm typ. +13dBm typ. +17dBm typ.
Output 1dB compression point >+22dBm >+20dBm
Output spurious and intermodulations <-36dBm <-13dBm <-30dBm <-13dBm
RF output power per carrier see attached table
Output third order intercept point OIP3 >+33dBm >+33dBm >+30dBm >+30dBm
Uplink
Frequency translation None
Nominal RF gain (note 2) +12 dB
Flatness (in passband)
± 2 dB
RF presettable gain reduction (PRG note3) PRG2: 0/5/10/15/20 dB
Noise figure 13 dB typ.
Input third order intercept point IIP3 0dBm typ.
Blocking at 3 dB C/N degradation >-18dBm
Spurious free dynamic range (BW=25KHz) 78dB typ.
Spurious free dynamic range (BW=30KHz) 77dB typ.
Spurious free dynamic range (BW=200KHz) 72dB typ.
Spurious free dynamic range (BW=1230KHz) 67dB typ.
Fibre optic link
Fibre optic type Single mode, 9.5/125um
Max allowed optical fibre length < 1.5km
Max allowed optical budget for AGC operation 3 dB (optical)
Max. propagation delay including 1km single
mode fibre
<5,2µs
Note 1: Measured with 1 CW tone
Note 2: with PRG1 and PRG2 set to 0
Note 3: PRG2 is on TFLF unit and it could be used for different BTS: (see manual)
21. Appendix C – Mechanical outline