User's Manual

LINKnet™ OFR400 RF MODULES ! USER MANUAL
DCM000000019
Printed: 01.01.20,12:34
Revision Date:1/20/01 5
OFR400 RF Module
Block diagram
Transmit Board
UMC Controller Board
Receive Board
IF Board
RF Input
406.125-512 MHz
RF Output
406.125-512 MHz
Micro-
Controller
with lines to
all Boards
Blind-Mate
to SMA RF
Connector
Blind-Mate
to SMA RF
Connector
Power &
Control to
Backplane
Gain Control
Communication
Interfaces
Gain
Control
Test
Oscillator
Low Noise
Pre-Amplifier Buf f er
Amplif iers
2'nd Local
Oscillator
First Local
Oscillator
Buf f ers, Filters, and
Linear Power Amplif ier
Power
Circuits
First Local
Oscillator
2'nd IF
Crystal
Filter
First IF
Filter
First IF
Filter
2'nd IF
Crystal
Filter
2'nd Local
Oscillator