User Manual
P B L Tunnels Loc 2 Units 1 & 2 + 800MHz BDA
Maintenance Handbook
H/book Number:-60-056100HBKM
Issue No:-1
Date:-13/02/2003
Page:-73 of 73
5.3.3.5 Drg. No. 11-005971, LNA Circuit Diagram (DC Wiring Layout)
900MHz LOW NOISE AMPLIFIER
SCHEMATIC DIAGRAM
11-005971
AA
-
MNR 26/03/02
BYDATEDESCRIPTIONNo
ISSUE
1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
1
2 3
4
5 6
7
8 9
A
B
C
D
E
F
Fax : 01494 777002
Tel : 01494 777000
Aerial Facilities Limited
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.
NO DECIMAL PLACE ± 1mm
ONE DECIMAL PLACE ± 0.3mm
TWO DECIMAL PLACES ± 0.1mm
ALL DIMENSIONS ARE IN mm
UNLESS OTHERWISE STATED
CHKD
DRAWN
APPD
DATE
TOLERANCES
SCALE
England
CUSTOMER DRAWING.No
TITLE
3
A
LM7808CT
REG3
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
CON1
J4 2
J5 1
J5 2
DC INPUT DC OUTPUT
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)
RELAY CONTACT GOOD *
RELAY COMMON *
RELAY CONTACT 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