Operation and Maintenance Manual

CANAM TECHNOLOGY, INC. (CTI)
MARK-IVD 800MHZ NARROWBAND SIGNAL BOOSTER M4DBDA8 O&M MANUAL
Page 12 of 46
Rev1 May/2015
D.2 FUNCTIONAL BLOCK DIAGRAM
.
.
.
AGC
AGC
Narrowband Filters Bank
with AGC per filter
Front-end
Down Converter
RF
IF
70MHz
IF
70MHz
LO = 833 ~ 845 MHz
REF = 10MHz
Clk
25MHz
Clk
64MHz
Clk
225MHz
MCPA
Back-end
Up Converter
LO = 833 ~ 845 MHz
REF = 10MHz
Clk
25MHz
Micro-Controller
DONOR
(BASE-SIDE)
DUPLEXER
High Freq.
793-805 MHz
Low Freq.
763-775 MHz
SERVICE
(MOBILE-SIDE)
DUPLEXER
.
.
.
AGC
AGC
Narrowband Filters Bank
with AGC per filter
Front-end
Down Converter
RF
IF
70MHz
IF
70MHz
LO = 863 ~ 875 MHz
REF = 10MHz
Clk
25MHz
Clk
225MHz
MCPA
Back-end
Up Converter
LO = 863 ~ 875 MHz
REF = 10MHz
Clk
25MHz
High Freq.
793-805 MHz
Low Freq.
763-775 MHz
Figure 1 – M4DBDA8 General Block Diagram