Block Diagram System Overview
- 42 -
Affinity® LBD-200C-N1 Transmitter
Product Manual
Block Diagram System Overview
Need LBD200 version of block diagram
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TITLE:
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Description
Scale:
none
Sheet
1of 1
ECO#
NAME/DATE
TH
IS
D
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FO
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©
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20
04
DWG. NUMBER:
47267347
B
SIZE:
034
DTC
Single Drive Block Diagram,
LBD125C-N1 System Overview
A. Castro 09-07-2004
RF OUTPUT
N Female
COFDM = 100 Watts
(After Output Filter)
DRIVER
ASI MPEG
TRANSPORT
STREAM
BNC Female
DVB-H
Exciter
IF = 672.5 MHz
5MHz BW
-18dBm avg pwr
±
3dB
FREQ. REF. IN
BNC Female
N10dBm
±
3dB
FRONT PANEL
POWER AMPLIFIER
CAGE
∆ ≅
37dB
CPLR –36dB
RF Detector
47267377
Management
Support
Interface
47266769.01
POWER SUPPLY PLUG-IN 47266099.04
Multi-Output Power Supply
With embedded MCU
UPCONVERTER PLUG-IN 47267228.01
Distribution
and MCU
J-3
RF Sample
Black Plug
1PPS
BNC Female
Distribution
and MCU
SNMP
Device
Server
(Optional)
LAN INTERFACE
RJ45 Ethernet
REMOTE RS485
INTERFACE
ABCS
INTERFACE
RS232
RS485
Modulator Comms
L
oc
al
R
S
4 8 5
PAS Fault/Presence
PAS Monitoring
1670-1675MHz
48VDC
AC MAIN
230VAC Nominal
48VDC
FRONT END POWER SUPPLY 47267076.02
48V 1200W
48V 1200W
48V 1200W
48V 1200W
LOCAL RS485
INTERFACE
RF Feedback (linear)
RF Feedback (non-linear)
Black Plug
Com
bi
ne
r
472
67155
Spli
tte
r
754545-01
Load
Circulator
Mask filter
-30dB
-30dB
47267238
Converter
BPF
L-Band
47267288
In-Signal
?+
ALC
LO
Presence
47267375
ALC
47267240
L-Band IPA
Up-Converter
Output Power
D
riv
er S
ect
io
n Ba
ck
P
an
el
Temp
Fr
on
t Pan
el &
L
C
D Displa
y
Interface
Display
RS232
Keyboard
J-5
J-4
J-3
J-2
J-1
J-4
J-7
J-6
J-1
J-2
J-2
J-3
J-1
1
1
47266461.00-110
2
47266197.00-190
3
47266195.00-150
4
47266194.00-050
5
47266194.00-052
6
47266195.00-090
7
47266196.00-200
8
47266197.00-050
2
3
4
5
6
6
7
8
÷
2
÷
3
47267339
Down-Converter
Re
ar
D
oo
r
Po
w
er S
uppl
y B
ac
k Pan
el
RJ11 (x2)
RJ11 (x1)
D-Sub 15
RJ45 Ethernet
48VDC
48VDC
48VDC
∆
= 38dB
∆
= 38dB
∆
= 38dB
∆
= 38dB
PA PLUG-INS
47267227.01
Amplifier Segments
Back Plane
-6dB -3dB
-17dB
-14dB
-3dB
9
47266891.00-250
10
47267342.00-250
10
9
11
11
47266184.00-163
12
47266184.00-101
11
11
12
12
12
12
11
11
13
60-070-071
13
14
14
14
47266185.00-360
15
400279-33-60
16
400279-09-60
17
400279-09-36
18
400279-12-60
15
18
16
17
17
17
1GHz
UHF
FdB
19
47266184.00-101
20
60-070-071
21
47266185.00-360
