User Manual
Table Of Contents
- AMENDMENT LIST RECORD SHEET
- INTRODUCTION
- 1.SAFETY CONSIDERATIONS
- 2.OVERVIEW/SYSTEM DESCRIPTION
- 3.SPECIFICATION
- 4.SYSTEM DRAWINGS
- 5.SUB-UNIT MODULES
- 5.1Downlink Channelised Cell Enhancer 60-060602 (5U chassis)
- 5.1.1Bandpass Filters (02-010701)
- 5.1.2UHF 3dB Splitter (05-002603)
- 5.1.33dB UHF Splitter (05-002603)
- 5.1.4¼Watt 0- -30dB Switched Attenuator \(10-00
- 5.1.5Low Noise Amplifiers (11-007302 & 11-007402)
- 5.1.5.1Description
- 5.1.5.2Technical Specification, (11-007302)
- 5.1.5.3Technical Specification (11-007402)
- 5.1.5.3Drg. No. 11-007302, LNA Assembly With Alarm Relay
- 5.1.5.4Drg. No. 11-007370, LNA RF Circuit Diagram
- 5.1.5.5Drg. No. 11-007371, LNA DC Wiring Diagram
- 5.1.5.6Drg. No. 11-003971, LNA DC Circuit Diagram
- 5.1.610Watt Power Amplifier (12-001901)
- 5.1.73 Stage Amplifier Alarm Boards (12-002201)
- 5.1.8Dual DC/DC Converter (13-001803)
- 5.1.9Channel Selective Module (17-003012)
- 5.1.1024V Relay Board (20-001602)
- 5.2Uplink Channelised Cell Enhancer 50-060603 (5U chassis)
- 5.3Power Supply Shelf 50-060604 (4U chassis)
- 5.1Downlink Channelised Cell Enhancer 60-060602 (5U chassis)
- 6.INSTALLATION
- 7.MAINTENANCE
- APPENDIX AINITIAL EQUIPMENT SET-UP CALCULATIONS

5-Way Channelised UHF Cell Enhancer
Maintenance Handbook
H/book Number:-50-060601HBKM
Issue No:-
1
Date:-04/07/2003
Page:-
38 of 54
5.1.8.3 Drg. N. 13-001803, Dual DC/DC Converter Assembly Drawing
DUAL DC-DC CONVERTER(24V-12V/12V)
PCB SUB-ASSEMBLY
13-001803
1A
1:1
MNR 07/03/02
3
IN 2 PLACES
1
2
4 6 5
IN 2 PLACES
8
10
9
6
7
BYDAT EDESCRIPTIO NNo
ISSUE
1 2345 678 9
A
B
C
D
E
F
1 2345 678
9
A
B
C
D
E
F
Fax : 01494 777002
Tel : 01494 777000
Aerial Facilities Limited
THIS IS A PROPRIETARY DESIG N OF AERIAL FACILITIES LTD.
REPRO DUCTIO N O R USE O F T HIS DESIG N BY OT HERS IS
PERMISSIBLE ONLY IF EXPRESSLY AUTHORISED IN WRITING
BY AERIAL FACILITIES LTD.
NO DECIM AL PL ACE ± 1 mm
ONE DECIMAL PLACE ± 0 .3mm
TWO DECIMAL PL ACES ± 0.1mm
AL L DIM ENSIO NS ARE IN mm
UNL ESS OTHERWISE STATED
CHKD
DRAWN
APPD
DAT E
TO L ERANCES SCAL E
England
CUSTO MER DRAWING.No
TITL E
3
A
PRODUCTION ISSUE MNR
07/03/02
+
C1
+
L3
0v+15v
C1 0C7
C4
+24v0v 0v
L4
C5
C8
D1
k
+
C9
C6
+5v
C1 1
L5
+
C2
C3
D2
k
+
IC2IC1
L1
1515
L2
ALL SOLDER JOINTS TO BE MADE USING 16 .
STAGE 1
STAGE 2
IN 2 PLACES IN 2 PLACES IN 2 PLACES
IN 2 PLACES
GB
BB