Axell Wireless CCE 480N4, CCE 470N3 User Manual
Pasedena Metro Radio System
Maintenance Handbook
For Canam Technology Inc.
AFL Works Order No.: Q107519
AFL product part No’s.:
60-055900 PBL Location One UHF1 & UHF2 (This document)
60-056000 Tunnels 1 & 2
60-056100 PBL location TWO & 800MHz BDA
H/book Number:-60-055900HBKM
Issue No:-1
PBL UHF 1 & 2 Air Interface
Maintenance Handbook
Date:-13/02/2003
Page:-1 of 1
Table of Contents
AMENDMENT LIST RECORD SHEET...........................................................................................5
INTRODUCTION................................................................ ................................................................6
S
............................................................................................................................................................... 6
COPE
P
URPOSE
G
LOSSARY OF TERMS
AFL D
1. SAFETY CONSIDERATIONS.............................................E
1.1 E
1.2 RF R
1.3 C
1.4 E
2. OVERVIEW/SYSTEM DESCRIPTION................................................................ ................ 11
3.
3.1 P
3.1.1 UHF1 & UHF2 Location ONE 60-055900 Parts List........................................................................ 12
3.2 T
3.2.1 UHF ONE to Tunnels 1 & 2 Technical Specification ................................ ....................................... 16
3.2.2 UHF ONE to Location TWO Technical Specification ...................................................................... 17
3.2.3 UHF TWO to Tunnels 1 & 2 Technical Specification ...................................................................... 18
3.2.4 UHF TWO to Location TWO Technical Specification...................................................................... 19
3.2.5 800MHz Bi-directional Amplifier to Location TWO Technical Specification................................... 20
3.3 M
4. SYSTEM DRAWINGS................................................................ ............................................22
4.1 DRG. NO. 60-055990, L
4.2 DRG. NO. 60-055991, L
4.3 C
5. SUB-UNIT MODULES...........................................................................................................25
5.1 UHF 1 A
5.1.1 Bandpass Duplexers (02-013401) ................................................................................................ .... 25
5.1.2 2 & 4 Way UHF Splitters (05-002603 & 05-003401) ................................................................ ....... 26
5.1.3 ¼Watt 0- -30dB Switched Attenuator (10-000701)................................................................ .......... 27
5.1.4 Low Noise Amplifiers (11-006102, 11-007302 & 11-007402).......................................................... 27
........................................................................................................................................................... 6
........................................................................................................................................ 7
RAWING SYMBOL KEYS
LECTRIC SHOCK HAZARD
ADIATION HAZARD
HEMICAL HAZARD
MERGENCY CONTACT NUMBERS
.......................................................................................................................... 8
! B
RROR
.................................................................. E
...................................................................... E
.............................................................................................................................. 9
...................................................................................................... 10
OOKMARK NOT DEFINED
! B
RROR
RROR
OOKMARK NOT DEFINED
! B
OOKMARK NOT DEFINED
SPECIFICATIONS .................................................................................................................12
ARTS LISTS
3.1.1.1 F/O Air Interface 60-055901 Location ONE-UHF1 Parts List .................................................. 12
3.1.1.2 F/O Air Interface 60-055902 Location ONE, UHF2 Parts List .................................................. 14
ECHNICAL SPECIFICATIONS
ECHANICAL SPECIFICATION
OMPLETE SYSTEM SKETCH
5.1.1.1 Description ................................................................................................ .............................. 25
5.1.1.2 Technical Specification............................................................................................................ 25
5.1.2.1 Description ................................................................................................ .............................. 26
5.1.2.2 Technical Specification (05-002603)........................................................................................ 26
5.1.2.3 Technical Specification 05-003401 .......................................................................................... 26
5.1.3.1 General Application................................................................................................................. 27
5.1.3.2 Switched Attenuators............................................................................................................... 27
5.1.4.1 Description ................................................................................................ .............................. 27
5.1.4.2 Technical Specification (11-006102)........................................................................................ 27
5.1.4.3 Drg. No. 11-006102, Low Noise Amplifier General Assembly ................................................. 28
5.1.4.4 Drg. No. 11-006170, LNA RF Circuit Diagram ....................................................................... 29
5.1.4.5 Drg. No. 11-006171, LNA DC Wiring Diagram ...................................................................... 30
5.1.4.6 Drg. No. 11-003971, LNA DC Schematic Diagram .................................................................. 31
5.1.4.7 Technical Specification (11-007302)........................................................................................ 32
5.1.4.8 Drg. No. 11-007302, LNA Assembly With Alarm Relay.......................................................... 33
5.1.4.9 Drg. No. 11-007370, LNA RF Circuit Diagram ....................................................................... 34
........................................................................................................................................ 12
.............................................................................................................. 16
IR INTERFACE
(UHF 1 & 2 W
OCATION
OCATION ONE
(60-055901)................................................................................................... 25
ONE, UHF 1 C
.............................................................................................................. 24
ALL CASES
, UHF 2 C
ASE OUTLINE DRAWING
).................................................................. 21
ASE OUTLINE DRAWING
......................................... 22
.......................................... 23
.
.
.
H/book Number:-60-055900HBKM
Issue No:-1
PBL UHF 1 & 2 Air Interface
Maintenance Handbook
Date:-13/02/2003
Page:-2 of 2
5.1.4.10 Drg. No. 11-007371, LNA DC Wiring Diagram................................................................... 35
5.1.4.11 Technical Specification (11-007402).................................................................................... 36
5.1.4.12 Drg. No. 11-007402, LNA General Assembly ...................................................................... 37
5.1.4.13 Drg. No. 11-007470, LNA RF Circuit Diagram.................................................................... 38
5.1.4.14 Drg. No. 11-007471 LNA DC Wiring Diagram................................ .................................... 39
5.1.5 5Watt Power Amplifier (12-001801)................................................................................................ 40
5.1.5.1 Description ................................................................................................ .............................. 40
5.1.5.2 Technical Specification............................................................................................................ 40
5.1.5.3 Drg. No. 12-001801, 5Watt PA General Assembly Drawing .................................................... 41
5.1.5.4 Drg. No. 12-001870, 5Watt PA Circuit Diagram ...................................................................... 42
5.1.5.5 Drg. No. 12-001870C1, 5W PA Component List(1)................................................................ . 43
5.1.5.6 Drg. No. 12-001870C2, 5W PA Component List(2)................................................................ . 44
5.1.5.7 Drg. No. 80-008450, Power Amplifier/Alarm Board DC Wiring Details.................................. 45
5.1.6 3 Stage Amplifier Alarm Boards (12-002201).................................................................................. 46
5.1.6.1 Description ................................................................................................ .............................. 46
5.1.6.2 Technical Specification............................................................................................................ 47
5.1.6.3 Drg. No. 12-002201, 3 Stage Alarm Board Assembly Drawing & Parts List............................. 48
5.1.6.4 Drg. No. 12-002270, 3 Stage Alarm Board Circuit Diagram .................................................... 49
5.1.6.5 Generic Wall Enclosure Alarm Wiring Sketch......................................................................... 50
5.1.7 DC/DC Converter, 24V in, 12V 8A out (13-003011)................................................................ ....... 51
5.1.7.1 Description .............................................................................................................................. 51
5.1.7.2 Technical Specification............................................................................................................ 51
5.1.8 Channel Selective & Channel Control Modules (17-003012 & 17-002101)...................................... 52
5.1.8.1 Channel Selective Module Description..................................................................................... 52
5.1.8.2 Drg. No. 17-003080, Generic Channel Module Block Diagram................................ ................ 53
5.1.8.3 Channel Selectivity Control Module Description...................................................................... 54
5.1.8.4 Channel Controller DIP Switch Configuration Frequencies...................................................... 54
5.1.8.5 UHF1 Downlink Channel Module Configuration Table............................................................ 55
5.1.8.6 UHF1 Uplink Channel Module Configuration Table................................................................ 55
5.1.8.7 UHF2 Downlink Channel Module Configuration Table............................................................ 55
5.1.8.8 UHF2 Uplink Channel Module Configuration Table................................................................ 55
5.1.9 Single & Dual 24Volt Relay Boards (20-001602 & 80-008902) ....................................................... 56
5.1.9.1 24V Relay Boards (20-001602 & 80-008902) Description........................................................ 56
5.1.9.2 Drg. No. 20-001602, Dual 24V Relay Board Assembly Drawing .............................................. 57
5.1.9.3 Drg. No. 20-001671, Dual 24V Relay Board Circuit Diagram.................................................. 58
5.1.9.4 Drg. No. 80-008970, Single Relay Board Circuit Diagram....................................................... 59
5.1.10 SMA coaxial termination (93-930003)......................................................................................... 60
5.1.10.1 Description........................................................................................................................... 60
5.1.11 24V 400W Flat-Pack Power Supply (96-300011) ......................................................................... 60
5.1.11.1 Description........................................................................................................................... 60
5.1.11.2 Technical Specification ........................................................................................................ 60
5.2 UHF 2 A
5.2.1 Bandpass Filter (02-013401) See section 5.1.1 ................................................................................. 61
5.2.2 4 Port Tx Hybrid Combiner (05-003019) ......................................................................................... 61
5.2.2.1 Description ................................................................................................ .............................. 61
5.2.2.2 Technical Specification............................................................................................................ 61
5.2.3 Four Way Low Power Splitter (05-003401) See section 5.1.2........................................................... 62
5.2.4 ¼Watt 0- -30dB Switched Attenuator (10-000701) See section 5.1.3............................................... 62
5.2.5 Low Noise Amplifiers (11-007302 & 11-007402) See section 5.1.4 ................................................. 62
5.2.6 3 Stage Amplifier Alarm Boards (12-002201) See section 5.1.6....................................................... 62
5.2.7 20Watt Power Amplifier (12-004201).............................................................................................. 62
5.2.7.1 Description ................................................................................................ .............................. 62
5.2.7.2 Technical Specification............................................................................................................ 62
5.2.7.3 Drg. No. 12-004201, PA General Assembly................................................................ ............. 63
5.2.7.4 Drg. No. 12-004270, PA Circuit Diagram................................................................ ................ 64
5.2.7.5 Drg. No. 12-004270C1, PA Parts List(1).................................................................................. 65
IR INTERFACE
(60-055902)................................................................................................... 61
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Maintenance Handbook
Date:-13/02/2003
Page:-3 of 3
5.2.7.6 Drg. No. 12-004270C2, PA Parts List(2).................................................................................. 66
5.2.7.7 Drg. No. 12-003670, PA to Alarm Wiring Details................................................................ .... 67
5.2.8 DC/DC Converter, 24V in, 12V 8A out (13-003011) See section 5.1.7 ............................................ 68
5.2.9 Chan. Selec. & Chan. Contr. Mdls (17-003012 & 17-002101) See section 5.1.8 .............................. 68
5.2.10 21MHz IF Filter Board (17-002502) ................................ ............................................................ 68
5.2.10.1 Description........................................................................................................................... 68
5.2.11 Single & Dual 24Volt Relay Boards (20-001602 & 80-008902) See section 5.1.9 ........................ 68
5.2.12 SMA Coaxial Termination (93-930003) See section 5.1.10 .......................................................... 68
5.2.13 24V 400W Flat-Pack Power Supply (96-300011) See section 5.1.11 ............................................ 68
5.2.14 JWS75-15/A PSU (96-300045) .................................................................................................... 68
5.2.14.1 Description........................................................................................................................... 68
5.2.14.2 Technical Specification ........................................................................................................ 68
5.2.15 Single Mode Optical Coupler (98-100001)................................................................................... 69
5.2.15.1 Description........................................................................................................................... 69
5.2.16. Fibre Optic Receiver & Transmitter (98-200003 & 98-300003).................................................... 69
5.2.16.1 Description........................................................................................................................... 69
5.2.16.2 Technical Specification ........................................................................................................ 70
6.
INSTALLATION .................................................................................................................... 74
6.1 I
6.2 G
6.3 E
6.4 O
6.5 RF C
6.6 C
NITIAL INSTALLATION RECORD
ENERAL
LECTRICAL CONNECTIONS
PTICAL CONNECTIONS
OMMISSIONING
............................................................................................................................................ 74
ONNECTIONS
.............................................................................................................................. 75
................................................................................................................................. 75
......................................................................................................... 74
............................................................................................................... 74
..................................................................................................................... 74
7. MAINTENANCE.....................................................................................................................76
7.1 G
7.1.1 Fault Finding................................................................................................................................... 76
7.1.2 Downlink ........................................................................................................................................ 77
7.1.3 Uplink................................................................................................................................ ............. 77
7.1.4 Fault repair ...................................................................................................................................... 77
7.1.5 Checking service ............................................................................................................................. 78
7.1.6 Service Support ............................................................................................................................... 78
7.2 T
7.3 C
7.3.1 General Comments.......................................................................................................................... 79
7.3.2 Module Removal (LNA’s, general procedure):................................................................................. 79
7.3.3 Module Replacement (general):................................................................................................ ....... 79
7.3.4 Power Amplifiers............................................................................................................................. 79
7.3.5 Low Power Amplifier Replacement.................................................................................................. 80
7.3.6 Module Transportation:................................................................................................ ................... 80
ENERAL PROCEDURES
& T
OOLS
ARE OF MODULES
EST EQUIPMENT
...................................................................................................................... 76
................................................................................................ ................ 78
............................................................................................................................. 79
APPENDIX A INITIAL EQUIPMENT SET-UP CALCULATIONS ..........................................81
H/book Number:-60-055900HBKM
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Maintenance Handbook
Date:-13/02/2003
Page:-4 of 4
AMENDMENT LIST RECORD SHEET
Issue
No.
Date Incorporated
by
Page No.’s
Amended
Reason for new issue
1 06/02/03 CMH 1st Issue
Document Ref:-60-055900HBKM
H/book Number:-60-055900HBKM
Issue No:-1
PBL UHF 1 & 2 Air Interface
Maintenance Handbook
Date:-13/02/2003
Page:-5 of 5
INTRODUCTION
Scope
This handbook is for use solely with the equipment identified by the AFL Part Number shown
on the front cover. It is not to be used with any other equipment unless specifically authorised
by Aerial Facilities Limited. This is a controlled release document and, as such, becomes a
part of Aerial Facilities’ Total Quality Management System. Alterations and modification may
therefore only be performed by Aerial Facilities Ltd.
Purpose
The purpose of this handbook is to provide the user/maintainer with sufficient information to
service and repair the equipment to the level agreed. Maintenance and adjustments to any
deeper level must be performed by AFL, normally at the company’s repair facility in
Chesham, England.
This handbook has been prepared in accordance with BS 4884, and AFL’s Quality
procedures, which maintain the company’s registration to ISO 9001: 1994 and to the
R&TTE Directive of the European Parliament. Copies of the relevant certificates and the
company Quality Manual can be supplied on application to the Quality Manager.
This document fulfils the relevant requirements of Article 6 of the R&TTE Directive.
Limitation of Information Notice
This manual is written for the use of technically competent operators/service persons. No
liability is accepted by AFL for use or misuse of this manual, the information contained
therein, or the consequences of any actions resulting from the use of the said information,
including, but not limited to, descriptive, procedural, typographical, arithmetical, or listing
errors.
Furthermore, AFL does not warrant the absolute accuracy of the information contained
within this manual, or it’s completeness, fitness for purpose, or scope.
AFL has a policy of continuous product development and enhancement, and as such, reserves
the right to amend, alter, update and generally change the contents, appearance and
pertinence of this document without notice.
All AFL products carry a twelve month warranty from date of shipment. The warranty is
expressly on a return to base repair or exchange basis and the warranty cover does not extend
to on-site repair or complete unit exchange.
H/book Number:-60-055900HBKM
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Maintenance Handbook
Date:-13/02/2003
Page:-6 of 6
Glossary of Terms
Repeater or
Cell Enhancer A Radio Frequency (RF) amplifier which can simultaneously
amplify and re-broadcast Mobile Station (MS) and Base Transceiver
Station (BTS) signals.
Band Selective Repeater A Cell Enhancer designed for operation on a range of channels
within a specified frequency band.
Channel Selective
Repeater A Cell Enhancer, designed for operation on specified channel(s)
within a specified frequency band. Channel frequencies may be
factory set or on-site programmable.
BTS Base Transceiver Station
C/NR Carrier-to-Noise Ratio
Downlink (D.L.) RF signals transmitted from the BTS and to the MS
Uplink (U.L.) RF signals transmitted from the MS to the BTS
EMC Electromagnetic Compatibility
GND Ground
DC Direct Current
AC Alternating Current
ID Identification Number
OIP3 Output Third Order Intercept Point = RF
+(C/I)/2
out
LED Light Emitting Diode
M.S. Mobile Station
N/A Not Applicable
N/C No Connection
NF Noise Figure
RF Radio Frequency
Rx Receiver
Tx Transmitter
S/N Serial Number
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Maintenance Handbook
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AFL Drawing Symbol Keys
H/book Number:-60-055900HBKM
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Maintenance Handbook
Date:-13/02/2003
Page:-8 of 8
1. SAFETY CONSIDERATIONS
1.1 Electric Shock Hazard
Electrical shocks due to faulty mains driven power supplies.
Whilst ever potentially present in any electrical equipment, such a condition would be
minimised by quality installation practice and thorough testing at:
a) Original assembly.
b) Commissioning.
c) Regular intervals, thereafter.
All test equipment to be in good working order prior to its use. High current power supplies
can be dangerous because of the possibility of substantial arcing. Always switch off during
disconnection and reconnection.
1.2 RF Radiation Hazard
“CAUTION: This equipment is approved for antennas mounted on fixed outdoor permanent
structures. A minimum separation distance of 2 metres must be maintained between the
radiating elements and any nearby persons. A maximum antenna gain of 21 dBi may be used.
Operating this equipment without regard to these restrictions will result in RF exposure levels
above the limits allowed by FCC rules.”
This equipment complies with part 90 of the FCC rules. Any changes or modifications not
expressly approved by the manufacturer could void the user’s authority to operate the
equipment.
RF radiation, (especially at UHF frequencies) arising from transmitter outputs connected to
AFL’s equipment, must be considered a safety hazard.
This condition might only occur in the event of cable disconnection, or because a ‘spare’
output has been left unterminated. Either of these conditions would impair the system’s
efficiency. No investigation should be carried out until all RF power sources have been
removed. This would always be a wise precaution, despite the severe mismatch between the
impedance of an N type connector at 50?, and that of free space at 377?, which would
severely mitigate against the efficient radiation of RF power. Radio frequency burns could also
be a hazard, if any RF power carrying components were to be carelessly touched!
Antenna positions should be chosen to comply with requirements (both local & statutory)
regarding exposure of personnel to RF radiation. When connected to an antenna, the unit is
capable of producing RF field strengths, which may exceed guideline safe values especially if
used with antennas having appreciable gain. In this regard the use of directional antennas with
backscreens and a strict site rule that personnel must remain behind the screen while the RF
power is on, is strongly recommended.
Where the equipment is used near power lines, or in association with temporary masts not
having lightning protection, the use of a safety earth connected to the case-earthing bolt is
strongly advised.
H/book Number:-60-055900HBKM
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Maintenance Handbook
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1.3 Chemical Hazard
Beryllium Oxide
, also known as Beryllium Monoxide, or Thermalox™, is sometimes used in
devices within equipment produced by Aerial Facilities Ltd. Beryllium oxide dust can be toxic
if inhaled, leading to chronic respiratory problems. It is harmless if ingested or by contact.
Products that contain beryllium are load terminations (dummy loads) and some power
amplifiers. These products can be identified by a yellow and black “skull and crossbones”
danger symbol (shown above). They are marked as hazardous in line with international
regulations, but pose no threat under normal circumstances. Only if a component containing
beryllium oxide has suffered catastrophic failure, or exploded, will there be any danger of the
formation of dust. Any dust that has been created will be contained within the equipment
module as long as the module remains sealed. For this reason, any module carrying the yellow
and black danger sign should not be opened. If the equipment is suspected of failure, or is at
the end of its life-cycle, it must be returned to Aerial Facilities Ltd for disposal.
To return such equipment, please contact the Quality Department, who will give you a
Returned Materials Authorisation (RMA) number. Please quote this number on the packing
documents, and on all correspondence relating to the shipment.
PolyTetraFluoroEthylene, (P.T.F.E.) and P.T.F.E. Composite Materials
Many modules/components in AFL equipment contain P.T.F.E. as part of the RF insulation
barrier.
This material should never be heated to the point where smoke or fumes are evolved. Any
person feeling drowsy after coming into contact with P.T.F.E. especially dust or fumes should
seek medical attention.
1.4 Emergency Contact Numbers
The AFL Quality Department can be contacted on:
Telephone +44 (0)1494 777000
Fax +44 (0)1494 777002
e-mail qa@aerial.co.uk
H/book Number:-60-055900HBKM
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Maintenance Handbook
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Page:-10 of 10
2. OVERVIEW/SYSTEM DESCRIPTION
The AFL Off air Amplifiers for the Pasadena Blue line project are 2 way on-band RF
amplifiers. Their application is as an interface between the donor radio sites and the Fibre optic
receivers and transmitters which will extend coverage to the locations via the fibre optic link.
There are two units one designated for the ‘UHF1’ frequencies the other for the ‘UHF2’
frequencies.
Each unit is housed in an environmentally protected IP65 steel wall-mount case. Handles are
provided for carrying the unit and the door is fitted with locks. The unit interfaces with ‘N’
type female connectors for RF connections and heavy duty connectors for routing of AC
power supply input and alarm output wiring. Cable glands are provided for routing of the
Fibre optic cable in to the unit.
To provide adequate selectivity in the Downlink and Uplink paths, combline design bandpass
quadplexers and duplexers are used at the air interface ports. In addition each channel to be
passed is selected by a 15kHz or 25KHz Channel module which provides a high level of
rejection at adjacent channels. To provide the required gain to reach the required signal levels,
low-noise amplifiers (LNA’s) are used in each path, these being followed by power amplifier
modules in the uplink to provide the required intermodulation performance. Gain adjustment is
available locally using switched attenuators.
Note that “Downlink” refers to the RF path from the base station (donor site) to the FO
transmitter and that “Uplink” refers to the RF path from the FO receiver to the remote base
station.
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Page:-11 of 11
3. SPECIFICATIONS
3.1 Parts Lists
3.1.1 UHF1 & UHF2 Location ONE 60-055900 Parts List
60-055901 PBL F/O AIR INTERFACE LOC1 UHF1 1
60-055902 PBL F/O AIR INTERFACE LOC1 UHF2 1
3.1.1.1 F/O Air Interface 60-055901 Location ONE-UHF1 Parts List
02-013401 6P CL FILTER (0.5 min BW) LARGE SMA ASSY 4
05-002603 UHF 3dB SPLITTER SMA 2
05-003401 4 WAY SPLITTER LOW POWER 2
10-000701 1/4W0-30dB SWITCHED ATTENUATOR 6
11-006102 LNA 380-500MHz 1W WITH RELAY 1
11-007302 LNA. 380-500MHz 20dB (C/W RELAY) GA 5
11-007402 LNA. 380-500MHz 30dB (C/W RELAY) GA 2
12-001801 UHF PWR AMP.450MHz 5W SMA ALARMS 1
12-002201 3 STAGE AMPLIFIER ALARM BOARD 1
12-002220 3 STAGE ALARM PCB COVER 1
12-002826 ALARM BOARD ACRYLIC LENS 1
13-003011 DC-DC CONVTR 24-12V 8A PCB SUB-ASS 1
17-000126 CELL ENHANCER LABEL 6 DIGIT 1
17-001523 GREY C.E. HEATSINK BLANKING PLATE 1
17-002020 CASE 620x620x250 SCHROFF CUSTOM 1
17-002021 BASE PLATE 585x570mm FOR 17-002020 1
17-002101 CHANNEL CONTROL MODULE 2
17-002103 26WAY RIBBON CABLE LEAD 0
17-003012 CHAN MOD 450MHz, 15kHz B/W 6
17-003022 MODULE PATTERNED LEAVE 6
17-003023 SUBRACK SIDE PANEL 2
17-003024 SUBRACK REAR BRACKET 6
17-003025 BOTTOM MODULE GUIDE 6
17-003028 MODULE SQUARE LEAVE 6
17-003029 TOP MODULE GUIDE 6
17-009723 EQUIP. MTG PLATE No.4 8
17-009727 EQUIP. MTG PLATE No.8 1
20-001602 24V RELAY BOARD 1
80-008902 24V RELAY PCB ASSEMBLY 1
80-032320 POWER AMP HEATSINK 10W 900MHz 1
80-032322 POWER SUPPLY HEATSINK 10W 1
90-010021 RF CABLE SUPFLEX SMA R/A MALE 100mm 15
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90-010022 RF CABLE SUPFLEX SMA R/A MALE 200mm 2
90-010026 RF CABLE HIFLEX SMA R/A MALE 150mm 6
90-010027 RF CABLE HIFLEX SMA R/A MALE 250mm 2
90-010028 RF CABLE HIFLEX SMA R/A MALE 350mm 1
90-010130 RF CABLE SMA R/A-N PANEL JACK 100mm 1
90-010131 RF CABLE SMA R/A-N PANEL JACK 200mm 3
90-010134 RF CABLE SMA R/A-N PANEL JACK 400mm 1
90-010135 RF CABLE SMA R/A-N PANEL JACK 500mm 2
91-030002 N ADAPTOR PANEL FEMALE:FEMALE 0
91-500011 PWR 3POLE PNL PLUG SEALED IP68 1
91-500015 PWR CON CAP SEALED with INT. THREAD 2
91-500016 PWR 6POLE PNL PLUG SEALED IP68 1
91-510010 PWR 3POLE FREE SOC.SEALED IP68 1
91-510013 PWR CON CAP SEALED with Ext. THREAD 2
91-510014 PWR 6POLE FREE SOC.SEALED IP68 1
91-600005 'D' 9 WAY SOCKET S/B TERM 0
91-600007 'D' 9 WAY BLACK SHELL 0
91-600014 'D' 9 WAY SOCKET S/B (NON FILTERED) 8
91-620002 'D' 25 WAY SOCKET/IDC TERMS 6
91-640003 MISC 26 WAY RIBBON CABLE SOCK. 6
91-700017 ICD 15 WAY 0.1' CONNECTOR 2
92-280033 Captive Screw 12
92-400017 GASKET FOR N TYPE CONNECTOR 3
93-540035 1K3 0.25W 1% RES MRS25 M:F 2
93-930003 SMA COAX TERMINATION [RADIAL] 2
96-300011 24 V 400 W FLATPACK PWR SUPPLY 1
96-500003 AC FILTER 110V 5A 1
96-500005 DC INPUT FILTERS 1
96-700002 LED.GREEN 5mm SEALED IP66 1
96-700005 LED.RED 5mm SEALED IP66 1
96-900018 AC TRIP SWITCH (5 AMP M.C.B.) 1
96-920011 PROXIMITY SWITCH 1
96-920012 PROXIMITY SWITCH MAGNET 1
97-000002 BLACK MODULE CAGE RUNNER 12
97-300010 SUPPLY I/P COVERS 1
97-400010 BLACK PLASTIC HANDLE 37311 2
97-600001 SUBRACK FRONT HORIZ 2
97-600002 SUBRACK M2.5 STD TAP 8
97-900004 RUBBER FOOT FOR CELL ENHANCERS 4
H/book Number:-60-055900HBKM
Issue No:-1
PBL UHF 1 & 2 Air Interface
Maintenance Handbook
Date:-13/02/2003
Page:-13 of 13
3.1.1.2 F/O Air Interface 60-055902 Location ONE, UHF2 Parts List
02-013401 6P CL FLTR(0.5 min BW) LARGE SMA ASSY 2
05-002603 UHF 3dB SPLITTER SMA 1
05-003019 4 PORT THC 3dB 450MHz SMA TYPE 1
05-003401 4 WAY SPLITTER LOW POWER 4
10-000701 1/4W0-30dB SWITCHED ATTENUATOR 2
11-007302 LNA. 380-500MHz 20dB (C/W RELAY) GA 1
11-007402 LNA. 380-500MHz 30dB (C/W RELAY) GA 5
12-002201 3 STAGE AMPLIFIER ALARM BOARD 1
12-002220 3 STAGE ALARM PCB COVER 1
12-002826 ALARM BOARD ACRYLIC LENS 1
12-004201 PWR AMP.450MHz 20W version CLASS A 1
13-003011 DC/DC CONVERTER 24-12V 8A PCB SUB-ASS 1
17-000126 CELL ENHANCER LABEL 6 DIGIT 1
17-002020 CASE 620x620x250 SCHROFF CUSTOM 1
17-002021 BASE PLATE 585x570mm FOR 17-002020 1
17-002101 CHANNEL CONTROL MODULE 1
17-002103 26WAY RIBBON CABLE LEAD 0
17-002502 IF FILTER BOARD 21.4MHz 30kHz 1
17-003012 CHAN MOD 450MHz, 15kHz B/W 8
17-003022 MODULE PATTERNED LEAVE 7
17-003023 SUBRACK SIDE PANEL 2
17-003024 SUBRACK REAR BRACKET 8
17-003025 BOTTOM MODULE GUIDE 8
17-003028 MODULE SQUARE LEAVE 8
17-003029 TOP MODULE GUIDE 8
17-009723 EQUIP. MTG PLATE No.4 6
17-009726 EQUIP. MTG PLATE No.7 1
20-001602 24V RELAY BOARD 0
80-008902 24V RELAY PCB ASSEMBLY 1
80-031820 POWER AMP HEATSINK 20W 900MHz 1
80-032320 POWER AMP HEATSINK 10W 900MHz 0
80-032322 POWER SUPPLY HEATSINK 10W 2
90-010021 RF CABLE SUPFLEX SMA R/A MALE 100mm 20
90-010022 RF CABLE SUPFLEX SMA R/A MALE 200mm 3
90-010024 RF CABLE SUPFLEX SMA R/A MALE 400mm 1
90-010025 RF CABLE SUPFLEX SMA R/A MALE 500mm 3
90-010026 RF CABLE HIFLEX SMA R/A MALE 150mm 8
90-010027 RF CABLE HIFLEX SMA R/A MALE 250mm 2
90-010028 RF CABLE HIFLEX SMA R/A MALE 350mm 2
90-010030 RF CABLE HIFLEX SMA R/A MALE 600mm 3
90-010131 RF CABLE SMA R/A-N PANEL JACK 200mm 1
90-010135 RF CABLE SMA R/A-N PANEL JACK 500mm 2
H/book Number:-60-055900HBKM
Issue No:-1
PBL UHF 1 & 2 Air Interface
Maintenance Handbook
Date:-13/02/2003
Page:-14 of 14
91-030002 N ADAPTOR PANEL FEMALE:FEMALE 0
91-500011 PWR 3POLE PNL PLUG SEALED IP68 1
91-500015 PWR CON CAP SEALED with INT. THREAD 2
91-500016 PWR 6POLE PNL PLUG SEALED IP68 1
91-510010 PWR 3POLE FREE SOC.SEALED IP68 1
91-510013 PWR CON CAP SEALED with Ext. THREAD 2
91-510014 PWR 6POLE FREE SOC.SEALED IP68 1
91-600005 'D' 9 WAY SOCKET S/B TERM 0
91-600007 'D' 9 WAY BLACK SHELL 0
91-600014 'D' 9 WAY SOCKET S/B (NON FILTERED) 6
91-620002 'D' 25 WAY SOCKET/IDC TERMS 8
91-640003 MISC 26 WAY RIBBON CABLE SOCK. 8
91-700017 ICD 15 WAY 0.1' CONNECTOR 2
91-800014 3 WAY TERMINAL BLOCK 1
91-800019 OPTICAL BARREL ADAPT 4
92-120009 M20 IP68 CABLE GLAND 2
92-280033 Captive Screw 16
92-400017 GASKET FOR N TYPE CONNECTOR 3
93-540035 1K3 0.25W 1% RES MRS25 M:F 2
93-930003 SMA COAX TERMINATION [RADIAL] 0
96-300011 24 V 400 W FLATPACK PWR SUPPLY 1
96-300045 JWS75-15/A PSU (COUTANT LAMBDA) 1
96-500003 AC FILTER 110V 5A 1
96-500005 DC INPUT FILTERS 1
96-700002 LED.GREEN 5mm SEALED IP66 1
96-700005 LED.RED 5mm SEALED IP66 1
96-900018 AC TRIP SWITCH (5 AMP M.C.B.) 1
96-920011 PROXIMITY SWITCH 1
96-920012 PROXIMITY SWITCH MAGNET 1
97-000002 BLACK MODULE CAGE RUNNER 16
97-300010 SUPPLY I/P COVERS 1
97-400010 BLACK PLASTIC HANDLE 37311 2
97-600001 SUBRACK FRONT HORIZ 2
97-600002 SUBRACK M2.5 STD TAP 8
97-900004 RUBBER FOOT FOR CELL ENHANCERS 4
98-100001 1x2 SINGLE MODE OPTICAL COUPLR 1310 1
98-200003 FIBRE OPTIC RX 6325 1310nm <2.2GHz 2
98-300003 FIBRE OPTIC TX 6325 1310nm <2.2GHz 1
98-500004 FC/APC-FC/APC FIBREOPTIC CABLE 0.5M 2
H/book Number:-60-055900HBKM
Issue No:-1
PBL UHF 1 & 2 Air Interface
Maintenance Handbook
Date:-13/02/2003
Page:-15 of 15
3.2 Technical Specifications
3.2.1 UHF ONE to Tunnels 1 & 2 Technical Specification
Frequency Range: Downlink Channels:
470.2125MHz
470.2625MHz
482.2375MHz
Uplink Channels:
473.2125MHz
473.2625MHz
485.2375MHz
Band Width Downlink :15kHz
Uplink : 25kHz
No. of Paths 2
Downlink Gain 82 dB min
Uplink Gain 70 dB min
RF Connector N type female
RF Impedance
50Ω
VSWR Better than 1.5:1
Gain Adjustment 0 to 30 in 2dB steps
Downlink PA 470.2125MHz, 470.2125MHz: 5WClass A Linear PA
482.2375MHz :20W Class A Linear PA
Uplink PA 485.2375MHz : 1W Class A Linear
473.2625MHz, 473.2125MHz : 5W Class A Linear
Duplexer UP/DN Isolation >80 dB
Passband Ripple <±1.5 dB
Noise Figure Downlink <7 dB at maximum gain
Noise Figure Uplink <18 dB at maximum gain
In-Band Spurious Better than –13dBm downlink
Better than –13dBm uplink
(measure with 30KHz BW & max gain setting)
Out-band Spurious up to
Better than –90dBc
3GHz:
PBL UHF 1 & 2 Air Interface
Maintenance Handbook
H/book Number:-60-055900HBKM
Issue No:-1
Date:-13/02/2003
Page:-16 of 16
3.2.2 UHF ONE to Location TWO Technical Specification
Frequency Range:
Band Width:
Downlink PA
Uplink PA
Duplexer UP/DN Isolation >80 dB
In-Band Spurious
Out-band Spurious up to
3GHz
Downlink Channels:
470.2125MHz
470.2625MHz
482.2375MHz
Downlink :15kHz
Uplink : 25kHz
No. of Paths 2
Downlink Gain 82 dB min
Uplink Gain 80 dB min
RF Connector N type female
RF Impedance
50Ω
VSWR Better than 1.5:1
Gain Adjustment 0 to 30dB in 2dB steps
470.2125MHz, 470.2125MHz: 5WClass A Linear PA
482.2375MHz :20W Class A Linear PA
485.2375MHz : 1W Class A Linear
473.2625MHz, 473.2125MHz : 5W Class A Linear
Passband Ripple <±1.5 dB
Noise Figure Downlink <7dB at maximum gain
Noise Figure Uplink <12dB
Better than –13dBm downlink
Better than –13dBm uplink
(measure with 30KHz BW with max gain setting)
Better than –90dBc
Uplink Channels:
473.2125MHz
473.2625MHz
485.2375MHz
PBL UHF 1 & 2 Air Interface
Maintenance Handbook
H/book Number:-60-055900HBKM
Issue No:-1
Date:-13/02/2003
Page:-17 of 17
3.2.3 UHF TWO to Tunnels 1 & 2 Technical Specification
Downlink Channels:
483.0625MHz
Frequency Range:
483.2875MHz
483.3125MHz
483.5625MHz
Downlink :15kHz
Band Width:
Uplink : 25kHz ,486.0625MHz, 486.5625MHz
15kHz ,486.2875MHz, 486.3125MHz
No. of Paths: 2
RF Connector: N type female
RF Impedance:
50Ω
VSWR: Better than 1.5:1
Downlink Gain: 90 dB min
Uplink Gain: 68 dB min
Gain Adjustment: 0 to 30 in 2dB steps
Downlink PA: 20W Class A Linear
Uplink PA: 20W Class A Linear
Duplexer UP/DN Isolation: >80 dB
Passband Ripple: <±1.5 dB
Noise Figure: Downlink <5 dB at maximum gain
Noise Figure: Uplink <12dB at maximum gain
Better than –13dBm downlink
In-Band Spurious:
Better than –13dBm uplink
(measure with 30KHz BW with max gain setting)
Out-band Spurious up to 3GHz: Better than –90dBc
Uplink Channels:
486.0625MHz
486.2875MHz
486.3125MHz
486.5625MHz
PBL UHF 1 & 2 Air Interface
Maintenance Handbook
H/book Number:-60-055900HBKM
Issue No:-1
Date:-13/02/2003
Page:-18 of 18
3.2.4 UHF TWO to Location TWO Technical Specification
Frequency Range: Downlink Channels:
483.0625MHz
483.2875MHz
483.3125MHz
483.5625MHz
Uplink Channels:
486.0625MHz
486.2875MHz
486.3125MHz
486.5625MHz
Band Width: Downlink :15kHz
Uplink : 25kHz ,486.0625MHz, 486.5625MHz
15kHz ,486.2875MHz, 486.3125MHz
No. of Paths: 2
RF Connector: N type female
RF Impedance:
50Ω
VSWR: Better than 1.5:1
Downlink Gain: 90 dB min
Uplink Gain: 78 dB min
Gain Adjustment: 0 to 30 in 2dB steps
Downlink PA: 20W Class A Linear
Uplink PA: 20W Class A Linear
Duplexer UP/DN Isolation: >80 dB
Passband Ripple: <±1.5 dB
Noise Figure: Downlink <5 dB at maximum gain
Noise Figure: Uplink <12 dB at maximum gain
In-Band Spurious: Better than –13dBm downlink
Better than –13dBm uplink
(measure with 30KHz BW & max gain setting)
Out-band Spurious up to 3GHz: Better than –90dBc
H/book Number:-60-055900HBKM
Issue No:-1
PBL UHF 1 & 2 Air Interface
Maintenance Handbook
Date:-13/02/2003
Page:-19 of 19
3.2.5 800MHz Bi-directional Amplifier to Location TWO Technical Specification
Frequency Range: Downlink Channels:
857.9375MHz
859.7625MHz
Band Width: Downlink :15kHz
Uplink : 25kHz
No. of Paths: 2
No. of RF Ports: 2
No. of Fibre Connections: N/A
RF Connector: N type female
RF Impedance:
50Ω
VSWR: Better than 1.5:1
Downlink Gain: 78 dB min
Uplink Gain: 80 dB min
Gain Adjustment: 0 to 30 in 2dB steps
Downlink PA: 5W Class A Linear
Downlink Power: 2 Carriers at +18dBm
Uplink PA: 5W Class A Linear
Uplink Power: 2 Carriers at +18dBm
Duplexer UP/DN Isolation: >80 dB
Passband Ripple: <±1.5 dB
Noise Figure: Uplink <6 dB at maximum gain
Downlink <5 dB at maximum gain
In-Band Spurious: Better than –13dBm downlink
Better than –13dBm uplink
(measure with 30KHz BW with max gain setting)
MTBF: >50,000 hours
Supply Input Voltage: 110V AC
Alarms Fitted: Alarm:- Volts free contacts
Alarm indicator:- Red LED
Power Indicator:-Green LED
Door Intrusion:- Magnetic proximity switch
Uplink Channels:
812.9375MHz
814.7625MHz
H/book Number:-60-055900HBKM
Issue No:-1
PBL UHF 1 & 2 Air Interface
Maintenance Handbook
Date:-13/02/2003
Page:-20 of 20
Temperature Range:
3.3 Mechanical Specification (UHF 1 & 2 Wall Cases)
Case size
Height:
Width:
Depth:
620mm
620mm
250mm
(excluding heatsinks, connectors, handles and feet)
Fixings:
operational:
storage:
Weight:
RF Connectors:
Environmental Protection:
Case:
Finish:
Heatsinks:
Handles:
Supply Cable:
4 holes on 670(w) x 557(h)mm
-10°C to +55°C
-40°C to +70°C
70kg (approximately)
N type female
IP65 (with door closed and all ports terminated)
To RAL 7032
Matt black (where fitted)
Black plastic
Unit supplied with suitable supply input leads with
connector and appropriate length of cable
H/book Number:-60-055900HBKM
Issue No:-1
PBL UHF 1 & 2 Air Interface
Maintenance Handbook
Date:-13/02/2003
Page:-21 of 21
4. SYSTEM DRAWINGS
4.1 Drg. No. 60-055990, Location ONE, UHF 1 Case Outline Drawing
A
B
8 9
DOWNLINK INPUT/UPLINK
OUTPUT UHF 1 (ANTENNA)
7
709 [2'-3.9"]
C
MATERIAL: MILD STEEL
FINISH: PAINTED TO RAL 9017 SEMI-
GLOSS TRAFFIC BLACK
WALL FIXINGS: M8 (5/16")
RF CONNECTORS: N TYPE FEMALE
ENVIRONMENTAL CLASS: IP65
D
E
DBS
30/10/02
ECN2746
2A
21/10/02
DECIMAL EQUIV'S DBS
1B
BYDATEDESCRIPTIONNo
DBS
15/10/02
ISSUE
PRODUCTION ISSUE
1A
F
3
A
60-055990
250 [9.9"]
6
5
4
700 [2'-3.6"]
3
620 [2'-0.4"]
UHF 1
Product ref :
CE- / - N
England
Limited
Aerial Facilities
DANGER
UPLINK INPUT UHF 1
ALARMS
DOWNLINK OUTPUT UHF 1
High
voltage
PASADENA BLUE LINE. LOCATION 1.UHF1
OUTLINE DRAWING
TITLE
THIRD ANGLE PROJECTION
CUSTOMER DRAWING.No
England
Tel : 01494 777000
Aerial Facilities Limited
Fax : 01494 777002
1:5
670 [2'-2.4"]
Heavy
CAUTION
1 2
A
B
H/book Number:-60-055900HBKM
555 [1'-9.9"]
620 [2'-0.4"]
C
Issue No:-1
PSU ALARM
THIS IS A PROPRIETARY DESIGN OF AERIAL FACILITIES LTD.
REPRODUCTION OR USE OF THIS DESIGN BY OTHERS IS
PERMISSIBLE ONLY IF EXPRESSLY AUTHORISED IN WRITING
BY AERIAL FACILITIES LTD.
15/10/02
DATE
M6 EARTH STUD
115V AC INPUT
D
E
DBS
DRAWN
PBL UHF 1 & 2 Air Interface
Maintenance Handbook
Date:-13/02/2003
Page:-22 of 22
NO DECIMAL PLACE ± 1mm
TOLERANCES SCALE
APPD
PB GD
CHKD
F
ONE DECIMAL PLACE ± 0.3mm
TWO DECIMAL PLACES ± 0.1mm
1 2 3 4 5 6 7 8 9
ALL DIMENSIONS ARE IN mm
UNLESS OTHERWISE STATED
4.2 Drg. No. 60-055991, Location One, UHF 2 Case Outline Drawing
A
B
C
D
8 9
MATERIAL: MILD STEEL
FINISH: PAINTED TO RAL 9017 SEMI-
GLOSS TRAFFIC BLACK
WALL FIXINGS: M8 (5/16")
RF CONNECTORS: N TYPE FEMALE
DOWNLINK INPUT/UPLINK
OUTPUT UHF 2 (ANTENNA)
7
709 [2'-3.9"]
ENVIRONMENTAL CLASS: IP65
E
DBS
30/10/02
ECN2746
2A
BYDATEDESCRIPTIONNo
DBS
15/10/02
21/10/02
ISSUE
PRODUCTION ISSUE
DECIMAL EQUIV'S DBS
1A
1B
F
3
A
60-055991
PASADENA BLUE LINE. LOCATION 1.UHF2
OUTLINE DRAWING
250 [9.9"]
6
5
4
700 [2'-3.6"]
3
620 [2'-0.4"]
Heavy
CAUTION
UHF 2
Product ref :
CE- / - N
England
Limited
Aerial Facilities
PSU ALARM
DANGER
TITLE
ALARMS
THIRD ANGLE PROJECTION
DOWNLINK INPUT UHF 1 UPLINK OUTPUT UHF 1
High
voltage
115V AC INPUT
CUSTOMER DRAWING.No
England
Tel : 01494 777000
Aerial Facilities Limited
Fax : 01494 777002
1:5
670 [2'-2.4"]
1 2
A
B
H/book Number:-60-055900HBKM
555 [1'-9.9"]
620 [2'-0.4"]
C
Issue No:-1
THIS IS A PROPRIETARY DESIGN OF AERIAL FACILITIES LTD.
REPRODUCTION OR USE OF THIS DESIGN BY OTHERS IS
PERMISSIBLE ONLY IF EXPRESSLY AUTHORISED IN WRITING
BY AERIAL FACILITIES LTD.
15/10/02
DATE
(FIBRE OPTICS)
CABLE GLANDS
M6 EARTH STUD
D
E
DBS
DRAWN
PBL UHF 1 & 2 Air Interface
Maintenance Handbook
Date:-13/02/2003
Page:-23 of 23
NO DECIMAL PLACE ± 1mm
ONE DECIMAL PLACE ± 0.3mm
TOLERANCES SCALE
APPD
PB GD
CHKD
F
TWO DECIMAL PLACES ± 0.1mm
1 2 3 4 5 6 7 8 9
ALL DIMENSIONS ARE IN mm
UNLESS OTHERWISE STATED
4.3 Complete System Sketch
TUNNEL ONE & TWO
J3
LCX
20dBm
18dBm
-50dBm
-50dBm
L
E
J
470-475MHz
02-007306
H I
-17dBm
UNIT 2
H
02-007306
02-011204
28dBm
12-00420111-007302
470MHz
02-011204
30dBm
12-00180111-007302
dB
20dB 30dB
UNIT 1
470MHz
02-007306
02-007306
T5
O
E
-15dBm
3
3
11-007302
483MHz
T6
-15dBm
473MHz
02-011204
dB
AGC
16dB 20dB 20dB
11-006102 11-007302
AGC
DET
473MHz
02-007306
02-007306
O
E
-15dBm
-15dBm
4
27dBm
-57dBm
F G
485-486MHz
60-056001
dB
20dB 30dB
J4
LCX
483MHz
20dBm
18dBm
483-486MHz
VHF
-50dBm
-50dBm
02-011204
11-00730211-006102 11-007302
AGC
U
-57dBm
485-486MHz
dB
AGC
16dB 20dB 20dB
DET
60-056002
470MHz
02-011204
28dBm
12-00180111-007302
dB
20dB 30dB
UNIT 1
470MHz
02-007306
02-007306
T7
O
E
-15dBm
5
483MHz
T8
-15dBm
25dBm
473MHz
02-011204
11-00740211-006102 11-007302
dB
AGC
16dB 20dB 24dB
AGC
DET
473MHz
02-007306
02-007306
O
E
-15dBm
-15dBm
6
20dBm
-65dBm
P
470-475MHz
L M
K
-17dBm
485-486MHz
60-056101
J5
LCX
LCX
18dBm
18dBm
L
H
L
H
02-007306
02-007306
12-00420111-007302
O
N
UNIT 2
-60dBm
-60dBm
02-011204
26dBm
dB
20dB 30dB
-62dBm
483-486MHz
483MHz
VHF
R
02-011204
11-00730111-006102 11-007302
dB
AGC
16dB 20dB 20dB
AGC
DET
S
800MHz
-65dBm
485-486MHz
60-056102
T
19dBm
-63dBm
21dBm
30dB
12-000201
dB
20dB
11-00590211-006702
-25dBm
14dB
857.9375MHz
859.7625MHz
dB
30dB
800MHz
-60dBm
857-860MHz
T10
14dB
857-860MHz
812.9375MHz
-26dBm
12-000201 11-00670211-005902
J6
-65dBm
dB
814.7625MHz
14dB
20dB
dB
30dB 30dB
18dBm
812-815MHz
14dB
T11
812-815MHz
60-056103
LOCATION TWO
-3dBm
11-007302
15dB
-23dBm
482.2375MHz
470.2625MHz
dB
32dB 20dB
11-007401 11-007302
482MHz
02-013401
UHF 1
dB
20dB
11-007302
20dB
-23dBm
dB
32dB
11-007401
02-013401
-72dBm
470.2125MHz
20dB
20dB
470MHz
-62dBm
473.2625MHz
-23dBm
-22dBm
T3
12-001801 11-007301
+20dBm
J1
473.2125MHz
5dB
dB
20dB
30dB
02-013401
dB
485.2375MHz
5dB
-22dBm
11-006101 11-007301
473MHz
02-013401
-12dBm
15dB
dB
20dB
16dB
-19dBm
B
C D
A
-11dBm
-3dBm
32dB
-27dBm
11-007401
20dB
T9
483.3125MHz
485MHz
UHF 2
60-055901
-35dBm
32dB
11-007401
20dB
483.2875MHz
11-007401
E
-15dBm
dB
11-007401
-35dBm
483.0625MHz
dB
32dB
02-013401
-82dBm
1
O
-15dBm
T1
32dB
20dB
25dB
483MHz
11-007401
-35dBm
483.5625MHz
J2
2
O
EOE
-15dBm
-15dBm
T2
-19dBm
32dB
486.2875MHz
486.3125MHz
486.0625MHz
20dB
-35dBm
-72dBm
6dB
+18dBm
486.5625MHz
6dB
6dB
T4
-20dBm
dB
20dB30dB
12-004201 11-007301
02-013401
-20dBm
486MHz
6dB
-20dBm
LOCATION ONE
60-055902
-20dBm
PBL UHF 1 & 2 Air Interface
Maintenance Handbook
H/book Number:-60-055900HBKM
Issue No:-1
Date:-13/02/2003
Page:-24 of 24
5. SUB-UNIT MODULES
5.1 UHF 1 Air Interface (60-055901)
5.1.1 Bandpass Duplexers (02-013401)
5.1.1.1 Description
The bandpass filters are multi-section designs with a bandwidth dependent upon the passband
frequencies, (both tuned to customer requirements). The response shape is basically
Chebyshev with a passband design ripple of 0.1dB. The filters are of combline design, and are
carefully aligned during manufacture in order to optimise the insertion loss, VSWR and
intermodulation characteristics of the unit. The tuned elements are silver-plated to reduce
surface ohmic losses and maintain a good VSWR figure and 50? load at the input and output
ports. Note that the same filter is used for both UHF 1 & 2, but tuned differently depending
on the required frequencies and bandwidth for each air interface.
Being passive devices, the bandpass filters should have an extremely long operational life and
require no maintenance. Should a filter be suspect, it is usually most time efficient to replace
the module rather than attempt repair or re-tuning.
No adjustments should be attempted without full network sweep analysis facilities to monitor
both insertion loss and VSWR simultaneously.
5.1.1.2 Technical Specification
FILTER 1 483.2-483.6 MHz Passband
FILTER 2 486.2-486.6 MHz
FILTER 1 2.7 dB typical Insertion Loss
FILTER 2 2.7 dB typical
FILTER 1 483.2-483.6 MHz > 80 dB Rejection
Power Rating
Impedance 50 ohm
VSWR Better than 1.2:1
Connectors SMA female
H/book Number:-60-055900HBKM
FILTER 2 486.2-486.6 MHz > 80 dB
250 Watt
PBL UHF 1 & 2 Air Interface
Maintenance Handbook
Issue No:-1
Date:-13/02/2003
Page:-25 of 25
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