Handbook

Table Of Contents
PBL UHF1/1A 1 & 2 Air Interface
Maintenance Handbook
H/book Number:-60-055900HBKM
Issue No:-2
Date:-20/10/2003
Page:-
43 of 85
5.1.4.13 Drg. Nō. 11-007470, LNA RF Circuit Diagram
LOW NOISE AMPLIFIER 380-500MHz
(30dB) RF PCB CIRCUIT DIAGRAM
11-007470
1A
-
DBS
5/7/02
BYDATEDESCRIPTIO NNo
ISSUE
12
3
4
5
6
7
89
A
B
C
D
E
1 23456789
A
B
C
D
E
F
Fax : 01494 777002
Tel : 01494 777000
Aerial Facilities Limited
THIS IS A PRO PRIETARY DESIGN OF AERIAL FACIL ITIES L TD.
REP RO DUCT IO N OR USE O F T HIS DESIG N BY O THERS IS
PERMISSIBLE O NL Y IF EXPRESSLY AUTHORISED IN WRITING
BY AERIAL FACILITIES L TD.
NO DECIM AL PL ACE ± 1 mm
ONE DECIMAL PLACE ± 0.3mm
TWO DECIMAL PLACES ± 0 .1 mm
AL L DIMENSIO NS ARE IN mm
UNL ESS OTHERWISE STATED
CHKD
DRAWN
F
APPD
DAT E
TO LERANCES SCALE
England
CUST OM ER DRAWING .No
TITLE
3
A
CLY 2
G S
D
TR 2
RF INPUT
R1
51R
11303- 3
CPL1
1nF
C3
Ø1.6x6 turns
L2
3. 3pF
C7
L4
330nH
R3
100R 10K
R6
1nF
C6
1nF
C1
C4
3. 3pF
Ø1.6x6 turns
L1
330nH
L3
100R
R2 R5
10K
J31
C5
1nF
TR 1
CLY 2
560R
R7
100nH
L6
C10
1nF
C9
1nF
R4
560R100nH
L5
1nF
C13
1nF
C12
51R
R8
11303- 3
CPL2
HEADER PIN
HEADER PIN
J32
HEADER PIN
J12
HEADER PIN
J11
PRODUCTION ISSUE
5/7/02
DBS
HEADER PIN
R11
22R
R10
R9
240R
240R
W1
0R 0
1nF
W2
510R
R13
CLY2
W7
1nF
48
J22
HEADER PIN
ZD 1
4V 7
5
10uF
C14 +
7660
IC1
2
RF OUTPUT
+
C15
10uF
1K 5
R12
10K
R16
C18
R19
0R 0
1nF
BCW61B
C17
1nF
R18
1K 5
TR 3
C22C23
1nF 1nF
C2
1nF
C20
10nF
0R 0
R15
1K 2
10K
R17
1K 2
R14 W3
1. 5pF
W6
330nH
L7
220pF
C19
68nH
W4
S
D
G
2. 2pF
C21
W5
J21
ATTENUATOR GROUP
(Select values on test)
SG
D
5R 6
ECN2722 DBS
2 4 /9 /0 2
2A
CB IB