User Manual

ALLGON SYSTEM AB - Proprietary
Technical Specification for PCS Tower Top Power Amplifier [Allgon 9256]
Preliminary
-
Subjected
to change without notice
Rev.pA0
File: 93651
Page 3 (19) 29 Mar 00
1 INTRODUCTION
1.1 P
URPOSE
This document describes the Technical specification for the Allgon Tower Top Power Amplifier for the PCS
1900 cellular band. The product number specified in the header has different variants available. These
variants have different bandwidths, gain and options. A definition of the different available variants and a
selection guide can be found in chapter 2.
1.2 S
COPE
The document details the total Technical performance of the TTPA, with respect to Electrical,
Mechanical, Environmental, Safety and Reliability related parameters. Only the mast head mounted unit
is described in this document. Other related products, such as APDU and Current Injectors, are
described in other documents.
1.3 R
EVISION
H
ISTORY
Rev. pA0 Draft 990518 M.Österberg
Rev. Second draft
1.4 R
ELATED
D
OCUMENTS
TIA, PS No 3389
Technical Specification for APDU 9209
Technical Specification for CI 9219
1.5 A
BBREVIATIONS
TTPA Tower Top Power Amplifier
PDU Power Distribution Unit
APDU Alarm And Power Distribution Unit
CI Current Injector
PCN Personal Cellular Network
AGC Automatic Gain Control
ANT Antenna
BTS Base Transceiver Station
LED Light Emitting Diode
MTBF Mean Time Between Failures
MTTR Mean Time To Replace
PA Power Amplifier
1.6 D
EFINITIONS
!
Normal operating conditions:
The full operating performance specified in this document is guaranteed under conditions stated below:
Ambient temperature: Acc. to chapter 7 , after 30 min normal operation.
Environment: Acc. to chapter 7 , after 30 min normal operation.
DC power supply: Acc. to chapter 4.
Return loss: > 18dB on all RF ports.