User's Manual

Table Of Contents
INSTALLATION GUIDE
Confidential, Proprietary Information
Title: PolBEAMER PCS (3.2) Array System-
Assembly and Operation Manual
Doc. No.:
913000801
Rev.: 01
Page: 48 of 91
Beamer
Array
[G=13.5dBi]
G
1:4
Divider
Loss=L
G
ABT
BTS
Input
P
in
Pout (max)=10dBm
G=30±1dB
GC=0 to15.5dB
L=0 to
6dB
Pout (max)=34dBm
G=37±0.5dB
GC=0 to
EIRP=53.5dBm(max)
Combined
in the Air
Beamer 4
G
G
Beamer 3
G
Beamer 2
Beamer1
-20
dbm
Pin=-5dBm to -20dBm
+8
dbm
Coax
15.5dB
+40dbm
[L=6db]
+3
dbm
-3
dbm
Figure 21: Tx link budget example
2.8.5.1. Estimating the Required Tx-ABT Gain
The purpose of this procedure is to verify that the BEAMER® system available gain is sufficient to
cover the expected RF losses, before starting the actual Tx calibration.