User Manual

Advanced RF Technologies, Inc.
50
 BLOCK DIAGRAM
Low Noise AMP + Up/Down
Converter + Drive AMP_DL
(DL_700MHz)
Low Noise AMP + Up/Down
Converter + Drive AMP_UL
(UL 700+800)
DL_700
HPA
UL_700+800
HPA
UL_PATH
NMS BoardPOWER SUPPLY
DHCP
AC IN
(1) Donor Antenna
(2) Donor Triplexer
DSP
(6) Server Triplexer
(7) Server Antenna
LED Board
(5) HPA
(3) UDC
(4) DSP
(3) UDC
(5) HPA
DL_PATH
UDC
HPA
DSP
PSR-78-9537 Repeater
Low Noise AMP + Up/Down
Converter + Drive AMP_DL
(DL_800MHz)
DL_800
HPA
Backup
Battery
(6) NMS
(7) PSU
Figure 0-1 Block Diagram
 FUNCTION AND SPECIFICATION PER DEVICE/COMPONENT
UDC
Parameter
Specifications
DL
UL
RF Frequency
758 - 768MHz
788 - 798 MHz
Rating Gain
before DSP
57 2dB
Rating Gain
Gain control range
after DSP
12 2dB
55 2dB
45dB
45dB
14 2dB
Gain flatness
p-p 3dB
p-p 3dB
VSWR
Max. 1.5:1
Max. 1.5:1
Table 0-1 UDC specifications
DSP
Parameter
Specifications
DL_700
UL_700
IF Center Frequency
125MHz
125MHz
Insertion Loss
-15dB
-15dB
Gain flatness
p-p 1dB
p-p 1dB
VSWR
Max. 1.5:1
Max. 1.5:1
Table 0-2 DSP specifications