Handbook

Table Of Contents
800MHz BDA (Pasadena Figuero Tunnel)
Maintenance Handbook
H/book Number:-60-056100HBKM
Issue No:-1
Date:-21/10/2003
Page:-
23 of 52
5.5.5 Drg. Nō. 11-005971, LNA Circuit Diagram (DC Wiring Layout)
900MHz LOW NOISE AMPLIFIER
SCHEMATIC DIAGRAM
11-005971
AA
-
MNR 26/03/02
BYDAT EDES CRIPT IO NNo
ISSUE
1 23456789
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 PRO PRIET ARY DESIG N O F AERIAL FACIL IT IES L TD.
REP RO DUCT IO N O R USE O F THIS DESIG N BY O THERS IS
PERMISSIBLE O NLY IF EXPRESSLY AUTHORISED IN WRITING
BY AERIAL FACILITIES LTD.
NO DECIM AL PL ACE ± 1 mm
ONE DECIMAL PL ACE ± 0 .3mm
TWO DECIMAL PL ACES ± 0 .1 mm
AL L DIMENSIO NS ARE IN m m
UNLESS O THERWISE STATED
CHKD
DRAWN
APPD
DATE
TO L ERANCES
SCALE
England
CUST O MER DRAWING.No
TITLE
3
A
LM7808CT
REG 3
G
I
O
+ve1 (6.75v @ 64mA)
-ve1
-ve2
J4 1
J5
J4
10-24V DC I/P
GROUND
2
1
7
TTL VOLTAGE SET
8
TTL ALARM/0v GOOD
9
OC GOOD/0v BAD
9 WAY 'D'
PIN OUTS
CO N1
J4 2
J5 1
J5 2
DC INPUT DC O UT PUT
RF PCB
FOR CIRCUIT DIAGRAM
SEE 11-005970
SEE 11-003971
FOR CIRCUIT DIAGRAM
DC PCB
PRE-PRODUCTION ISSUE
26/03/02
MNR
+8V
C
BA
7 CON1
8 CON1
9 CON1
2 CON1
RF
IN
RF
OUT
+ve2 (6.75v @ 64mA)
REL AY CO NT ACT G O O D *
REL AY CO M MO N *
REL AY CO NTACT BAD *
5 CON1
4 CON1
3 CON1
5
4
3
6
* ONLY APPLIES TO 11-005902 AMPLIFIER
PRODUCTION ISSUE(ECN2539) MNR
08/04/02
1A
AC
IB