Ku-band outdoor unit (odu), 3 ku-band outdoor unit (odu) – Comtech EF Data C5 User Manual
Page 31
C5/K1/K3 Integrated Satellite Terminal System
Introduction
Rev. 0
1–11
1.4.3
Ku-Band Outdoor Unit (ODU)
The Ku-Band ODU (K1 or K3) is a weatherproof, enclosed unit, housing the up
converter, solid-state power amplifier, automatic level control, integrated low-noise
amplifier (LNA), block down converter, IF interface, monitor and control (M&C), and
DC power converter.
The ODU connects directly to the OMT and is cabled to the transmit and receive
connectors of the IDU.
The ODU consists of the following assemblies:
! Power Amplifier
! Up Converter
! Automatic Level Control
! Data Link for Fault Sensing and Control
! Switching Power Converter
! LNA converter (Internal)
The ODU is a weatherproof Ku-Band up converter/transmitter that automatically adjusts
for cable losses and changes between the IDU and the ODU. The transmit (TX) power
level can be adjusted between +29 to +34 dBm. The ODU interfaces to the IDU using a
pair of coaxial cables, consisting of the following signals:
! One Cable
$
TX signal
$
M&C link
$
Reference OSC
$
DC power
! Second Cable
$
RX signal
Figure 1-7. Ku-Band ODU