User's Manual Part 1

iDEN Add-On Filter Box
User’s Manual -11-
2.2.1. Block Diagram
The following, Figure 5, explains how the unit filters signals.
Service
antenna
Donor
antenna
Filter
Filter
Filter
Filter
Filter
Filter
Filter
Filter
Filter
Filter
Filter
Filter
896~901MHz
935~940MHz
806~869MHz
896~940MHz
851~869MHz
806~824MHz
PLL
LO1
LO2
18MHz
7MHz
iDEN
Repeater
SAW Filter with Programmable options
935~940 / 934.8~939.8 / 934.6~939.6 MHz
with -65dBc@±500KHz
SAW Filter with Programmable options
851~869 / 850.8~868.8 / 850.6~868.6 MHz
with -65dBc@±500KHz
SAW Filter with Programmable options
851~869 / 850.8~868.8 / 850.6~868.6 MHz
with -65dBc@±500KHz
FB iDEN
Figure 5. Block Diagram