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:-
39 of 54
5.1.8.4 Drg. N. 13-001872, Dual DC/DC Converter Circuit Diagram (12V/12V)
C3
L5
C2
C1
L3
C4
L1
L2
C6
L4
C8 C5
D2
D1
C11
C10
C7
C9
DUAL DC-DC CONVERTOR (24V-12V/12V)
CIRCUIT DIAGRAM
13-001872
1A
N.T.S
MNR 11/03/02
1
2
4
35
2
4
5
1
3
0V
+12V
OUTPUT
(1 Amp)
0V
+12V
+24V
0V
OUTP UT
INPUT
IC1
LM2576T12
IC2
LM2576T12
UF5400
330uH
470uF
100nF
UF5400
470uF
100uF
USE IN CONJUNCTION WITH ASSEMBLY DRAWING 13-001803
Vin
O/P
O n /O ffGnd
F/Bk
Gnd On/Off
Vin
F/Bk
O/P
+
+
+
100u
330uH
100nF
100uH
100uH
100nF
100nF
0.47uF
0.47uF
+
2.2uF
2.2uF
+
BYDATEDESCRIPTIONNo
ISSUE
1 234 5678 9
A
B
C
D
E
F
1
23
4
56
7
89
A
B
C
D
E
F
Fax : 01494 777002
Tel : 01494 777000
Aerial Facilities Limited
THIS IS A PROPRIETARY DESIGN OF AERIAL FACILITIES LTD.
REPRODUCTIO N O R USE O F THIS DESIGN BY O THERS IS
PERMISSIBLE ONLY IF EXPRESSLY AUTHORISED IN WRITING
BY AERIAL FACIL IT IES L TD.
NO DECIMAL PL ACE ± 1 m m
ONE DECIMAL PLACE ± 0.3mm
TWO DECIMAL PL ACES ± 0 .1 m m
AL L DIMENSIO NS ARE IN mm
UNLESS O THERWISE STATED
CHKD
DRAWN
APPD
DAT E
TO LERANCES SCAL E
England
CUSTO M ER DRAWING.No
TITLE
3
A
PRODUCTION ISSUE
11/03/02
MNR
12V
12V
ECN2581 MNR
28/06/02
2A
CH BB