Duo-i6525 RF Repeater
User Manual V1.0
Interface Board
Quad-Plexer
Power Supply
Digital Filter
Digital Filter
Quad-Plexer
Down Converter
Up Converter
Controller
Noise Filter
DHCP
Sub Board
Figure 3 – Duo-i6525 Repeater Internal Components Diagram
2.3.5.
Quad-Plexer
It consists of four BPFs (band-pass filters) each of the four RF signal paths:
SMR 800 (Tx & Rx) and SMR 900 (Tx & Rx)
2.3.6.
Digital Filter
It is composed of A/D (analog to digital) and D/A (digital to analog) converters.
It also has a FPGA (field programmable gate array) which has the capability
for superior out-of- band rejection and re-banding.
Advanced RF Technologies, Inc. Proprietary Document
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