TriCom AM-SAT-50 Manual de usuario

TRICOM RESEARCH, INC.

OPERATOR'S

MANUAL

AM-SAT-50

DAMA

CERTIFIED UHF SATCOM

REMOTE BI-DIRECTIONAL

AMPLIFIER

www.tricomresearch.com 17981 Sky Park Circle, Suite M Irvine, CA 92614

AM-SAT-50 OPERATOR’S MANUAL 90400-01078_B

TABLE OF CONTENTS

1.0 INTRODUCTION

1.1 General Information.......................................................................................1-1

1.2 Abbreviations and Glossary...........................................................................1-2

1.3 Equipment Description..................................................................................1-3

1.4 Features..........................................................................................................1-3

1.5 AM-SAT-50 System......................................................................................1-4

1.5.1 Bias Tee..........................................................................................................1-4

1.5.2 Amplifier........................................................................................................1-4

1.5.3 Power Cable...................................................................................................1-4

1.6 Specifications.................................................................................................1-6

2.0 OPERATION

2.1 General Information.......................................................................................2-1

2.2 Controls, Indicators, and Connectors.............................................................2-1

2.3 Operational Procedures..................................................................................2-2

2.3.1 General Information.......................................................................................2-2

2.3.2 Equipment Set-up...........................................................................................2-2

2.3.3 Operating Procedures.....................................................................................2-3

2.3.3.1 Normal Operation ..........................................................................................2-3

2.3.3.2 Bypass Operation...........................................................................................2-3

2.3.3.3 Improper Operation........................................................................................2-4

3.0 INSTALLATION

3.1 General Information.......................................................................................3-1

3.2 Preparation for Use........................................................................................3-1

3.3 Cable Interconnections ..................................................................................3-1

3.4 Wiring Diagrams............................................................................................3-3

3.5 Mounting Provisions......................................................................................3-4

AM-SAT-50 OPERATOR’S MANUAL 90400-01078_B

LIST OF TABLES

Table 1-1 AM-SAT-50 General Operating Parameters ...........................................1-6

Table 1-2 AM-SAT-50 Interconnect Characteristics...............................................1-7

Table 1-3 AM-SAT-50 General Characteristics .......................................................1-7

Table 2-1 AM-SAT-50 Controls, Indicators, and Connectors................................2-2

Table 2-2 AM-SAT-50 System Troubleshooting Guide.........................................2-4

Table 3-1 AM-SAT-50 Coaxial Cable Length Guide.............................................3-1

LIST OF FIGURES

Figure 1-1 AM-SAT-50 System Components..........................................................1-1

Figure 1-2 AM-SAT-50 Functional Block Diagram................................................1-5

Figure 2-1 AM-SAT-50 Front Panel Controls, Indicators, and Connectors...........2-1

Figure 3-1 AM-SAT-50 Coax Cable Length Guide….............................................3-2

Figure 3-2 AM-SAT-50 Power Cable Wiring Diagram............................................3-3

Figure 3-3 Amplifier Mounting Dimensions…………............................................3-4

Figure 3-4 Bias Tee Mounting Dimensions ………….............................................3-5

Revision Control

90400-01078- Rev A

90400-01078- Rev B – Deleted 75 and 100 Watt power levels on paragraph 1.4.

AM-SAT-50 OPERATOR’S MANUAL 90400-01078_B

1-1

1.0 INTRODUCTION

1.1 GENERAL INFORMATION

This manual provides operating instructions for the DAMA Certified AM-SAT-50

Remote Bi-Directional Amplifier System shown in Figure 1-1. The system is a amplifier/pre-

amplifier designed to provide transmit and receive gain for UHF SATCOM channels, while

eliminating disruptive cosite interference on DAMA and non-DAMA 5 KHz and 25 KHz

channels.

The AM-SAT-50 has been DAMA Certified with several UHF SATCOM terminals.

For a listing of the current certifications please see the Joint Interoperability Test Command

(JITC) website.

Figure 1-1. AM-SAT-50 Amplifier

AM-SAT-50 OPERATOR’S MANUAL 90400-01078_B

1-2

1.2 ABBREVIATIONS AND GLOSSARY

AGC Automatic gain control

ALC Automatic level control

AM Amplitude modulation

ANT Antenna

BPS Bits per second

CT Cipher text

CW Continuous wave

COMSEC Communications security

dB Decibel

dBm Decibel referenced to 1 milliwatt (0 dBm = 1 mW)

FM Frequency modulation

Hz Hertz

KHz Kilohertz

LED Light emitting diode

LOS Line of sight

MHz Megahertz

mW Milliwatt

PT Plain text

PTT Push to talk

RCV Receive

SATCOM Satellite communications

UHF Ultra-high frequency

VDC Volts, direct current

VSWR Voltage standing wave ratio

W Watt

X-MODE Connector for COMSEC equipment

XMT Transmit

AM-SAT-50 OPERATOR’S MANUAL 90400-01078_B

1-3

1.3 EQUIPMENT DESCRIPTION

The DAMA Certified AM-SAT-50 Remote Bi-Directional Amplifier System is used to

provide transmit and receive amplification and cosite filtering for UHF SATCOM

communications. It is suitable for vehicular, airborne, or fixed-station applications and is

compatible with all UHF SATCOM radios. The Amplifier is weather-proof and is typically

located outdoors with the antenna. The Bias Tee is splash-proof and is usually located with the

radio, but may be placed anywhere between the radio and amplifier. The system connects in-

line with the radio and antenna with coax cable, with a connection for DC power input located

on the Bias Tee. There are operator controls located on the Bias Tee and the Amplifier. The

Bias Tee has a Power On/Off circuit breaker. The amplifier also has an auxiliary DC connector

for direct connection to a DC power source when a Bias-Tee is not needed (typically for

vehicle applications). The Amplifier has a three position switch to control receive gain, and a

Five position transmit power switch. The AM-SAT-50 interfaces with other equipment,

including:

Any UHF SATCOM antenna with a 50 Ohm impedance

SATCOM terminals, including the AN/PSC-5 and AN/PRC-117

Conditioned power from a source of +22 to +32 VDC

1.4 FEATURES

The AM-SAT-50 has the following features:

JITC DAMA Certification

Pre-amplification of received RF signals from remotely located antennas

Power amplification of transmit signals to 25, 35, 50 Watts

Transmit and receive band filtering to eliminate interference from co-located radios and

amplifiers

Amplifier front panel indication of system status

AM-SAT-50 OPERATOR’S MANUAL 90400-01078_B

1-4

1.5 AM-SAT-50 SYSTEM

The AM-SAT-50 is pictured in Figure 1-1. A functional block diagram is

shown in Figure 1-2.

1.5.1 Bias Tee

The Bias Tee consists of two printed circuit assemblies in a divided aluminum housing.

The DC input connection and RF connection to the radio are located on one end of the Bias

Tee. The Power On/Off switch and RF connection to the Amplifier are located on the opposite

end. When assembled, the enclosure is splash-proof, and may be mounted in any convenient

position.

1.5.2 Amplifier

The Amplifier consists of several printed circuit assemblies, a filtering and switching

network, and associated connectors and switches housed in a watertight aluminum housing.

With normal care and maintenance, the assembly is highly resistant to corrosion from the

elements. The interconnections to the Amplifier are made via two female type N connectors.

Through holes are provided on the base plate for mounting purposes. A DC power connector is

provided on the amplifier for connection to a DC power source when remote operation is not

required, such as vehicle installations.

1.5.3 Power Cable

A five-conductor cable connects the AM-SAT-50 with a DC power source. A wiring

diagram for the cable is shown in Section 3 of this manual. The power cable may be attached to

either the Bias-Tee or directly to the amplifier.

AM-SAT-50 OPERATOR’S MANUAL 90400-01078_B

1-5



Figure 1-2. AM-SAT-50 Functional Block Diagram

AM-SAT-50 OPERATOR’S MANUAL 90400-01078_B

1-6



1.6 Specifications

The operating parameters, physical characteristics, and environmental specifications are

shown in the following tables. Please review the latest data sheet or contact the factory

for additional specifications.

Table 1-1. AM-SAT-50 Operating Parameters

TRANSMIT SECTION

Frequency Range 292-318 MHz

RF Power Input 1-20 Watts

RF Power Output 25/35/50 Watts

Harmonics

-60 dBc

DAMA Capability Fully Compliant, including HPW

Maximum Transmit Duty Cycle Continuous

RECEIVE SECTION

Frequency Range

242-268 MHz

Noise Figure 3.5 dB typ

Receive Gain 10/20/30 dB

GENERAL

Input VSWR 1.5:1

Output VSWR 1.5:1

VSWR Mismatch High VSWR indication, no damage with mismatch

DC Power 24 to 28 VDC nominal

ENVIRONMENTAL

Operating Temp/Cooling -20 to +55 C, natural convection

Dimensions 3” H x 6” W x 12” D

Weight 8 Lbs

AM-SAT-50 OPERATOR’S MANUAL 90400-01078_B

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Table 1-2. AM-SAT-50 Interconnect Characteristics

Connection Signal/Pin Connector Function

BIAS TEE

RF to Radio RF to/from Radio N female

RF to Amplifier RF to/from Amplifier

N female

+28 VDC DC Power in MS3102E14S-5P

AMPLIFIER

Bias Tee RF to/from and +28 VDC

from Bias Tee

N female

Antenna RF to/from antenna N female

+28 VDC DC power in MS3102E14S-5P

Table 1-3. AM-SAT-50 General Characteristics

Characteristic Specification

Operating Voltage 24-28 VDC nominal, 22 to 32 VDC max

Operating Current 1 Amp typical receive, 8 Amps typical transmit

Operating Temp. -20 to +55 C, over temperature protected

Size

Bias Tee 1.5” H x 3” W x 5”D

Amplifier 3” H x 8” W x 12” D

Construction

Amplifier Weather-proof

Bias Tee Splash-proof

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