![background image](http://html1.mh-extra.com/html/advantech/awmt/awmt_installation-and-operation-manual_2858636017.webp)
AWMT
16
4.3.4 P
OWER
A
MPLIFIER
M
ODULE
The
Power Amplifier Module
amplifies the RF signals arriving from the L/RF
up-converter module.
Temperature sensors are installed at the module’s hot spots to prevent the RF devices from
overheating and operating at temperatures exceeding 85ºC.
The power amplifier will be in the Mute mode if the user sends a MUTE command through the
Relay or serial interfaces.
The power amplifier will shut down if the hot spot temperature e85
°
C and any of the
GaAs FET devices fails.
4.3.5 W
AVEGUIDE
A
SSEMBLY
The
Waveguide Assembly
contains a forward and reflected power detector, an RF output
circulator and the harmonic filters.
The forward power and the reflected power detectors monitor the RF output power level and the
reflected power level respectively. The digital signals are sent to the Main Controller Board.
The circulator provides a VSWR protection at the RF output port. The termination load of the
isolator is capable of fully absorbing any reflected power.
4.3.6 L
OW
N
OISE
B
LOCK
(LNB)
The LNB functions as a low noise amplifier and a frequency down converter. The RF input
signals are shifted downwards into the L-Band frequency range. Following the conversion the
L-Band signals are amplified to a power level sufficient for transmission into the L-Band to IF
Down-Converter module.
4.3.7 10 MHz R
EFERENCE
O
SCILLATOR
This module is used to generate a highly stable and very low phase noise 10 MHz reference
frequency with a high stability (of
±
5 x 10
-8
MHz/year typical), which is required by all of the
converter modules and the LNB. A 10 MHz reference is sent to each converter module via a
coaxial cable. The oscillator requires approximately 10 minutes to warm up after the transceiver
is power up.
Summary of Contents for AWMT
Page 1: ...INSTALLATION AND OPERATIONS MANUAL HUB MOUNT SOLID STATE TRANSCEIVERS AWMT PM AWMT REV 22...
Page 13: ...AWMT 12 Figure 1 Product Outline C Band...
Page 14: ...AWMT 13 Figure 2 Product Outline Ku Band...
Page 35: ...AWMT 34 Figure 6 RS 232 Terminal Mode Display...
Page 37: ...AWMT 36 Figure 7 List of commands after pressing h Help in Terminal Mode Display...
Page 52: ...AWMT 51 Figure 8 Product Outline C Band 250W DC Line 48 V Unit...
Page 53: ...AWMT 52 Figure 9 Connector Layout C Band 250W DC Line 48 V Unit...
Page 54: ...AWMT 53 Figure 10 Product Outline Ku Band Low Power...
Page 55: ...AWMT 54 Figure 11 Typical Connector Layout Ku Band Low Power...
Page 56: ...AWMT 55 Figure 12 Product Outline Redundant System Ku Band Low Power...
Page 57: ...AWMT 56 Figure 13 Product Outline Side View Redundant System Ku Band Low Power...
Page 58: ...AWMT 57 Figure 14 Mounting of a Low Power Transceiver on Feed Support...
Page 59: ...AWMT 58 Figure 15 Outline Drawing of C Band Light Weight 60W C Band Transceiver...
Page 60: ...AWMT 59 Figure 16 Connectors of Light Weight 60W C Band Transceiver...
Page 61: ...AWMT 60 Figure 17 Outline Drawing of C Band 10W C Band Transceiver...
Page 62: ...AWMT 61 Figure 18 Connectors of 10W C Band Transceiver...
Page 63: ...AWMT 62 Figure 19 Proposed GUI for RS 485 Communication transceiver single unit...
Page 64: ...AWMT 63 Figure 20 RS 232 Terminal Mode Display for Redundant System...
Page 65: ...AWMT 64 Figure 21 Proposed GUI for RS 485 Communication transceiver redundant system...