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Alga Microwave

User Manual
For C and Ku Band
Solid State Transmitter Systems
















Table of Contents


Table of Contents 2
Outdoor Solid State Transmitter System User Manual 3
Description 3
Equipment Supplied 3
General Information 4
Safety Considerations 4
High Voltage Hazards 4
RF Transmission Hazards 4
Inspection4
Return of Equipment 5
Ports and Interfaces 6
Prime Power Connection 6
RF Input 6
RF Output 6
M & C Connector 7
Redundancy Port 7
Master / Slave Selector Switch 7
Airflow 8
Monitors and Controls 9
Temperature Monitor 9
RF Output Power Monitor 9
Summary Alarm 10
HPA Mute Control 10
Ground (GND) 10LO Locked/Unlocked Monitor 10
RS-232 / RS-485 10
Monitor and Control Software 10
Outdoor Transmitter Quick Start Guide 14
General Maintenance 15
Basic Cleanliness 15
Internal Fuse 15
Fan Replacement 15
Theory of Operation 16
AC / DC Converter 16
DC / DC Converter 16
Cooling System 16
Block Upconverter 16Booster Amplifier 16
Microcontroller 17
Attenuator Module 17
Dual Transfer Switch 17
Appendix A 18
Installation Notes for Redundant System 18

Outdoor Solid State Transmitter System
User Manual


This section provides the general information for the Alga Microwave line of Outdoor Solid State Transmitters. The Outdoor Solid State Transmitter has been designedand manufactured to be an extremely robust and reliable. It is well suited for harsh outdoor environments.


Description


Please refer to Appendix A for the appropriate product data sheet and specifications.
The Outdoor Transmitter is a one-piece integrated amplifier system. It includes the AC / DC Power Supply, microwave Booster Amplifier Module, Block Upconverter (BUC), microcontrollerbased monitor and control circuitry, and an efficient thermal management system.
The reduced size and weight of this system allow it to be used in a wide variety of installations; many of which historically precluded the use of solid state units. This system is ideal for mounting on the boom of small antennas or anywhere that size and weight are a major concern.

Features include:
• Compactsize
• Light weight
• Auto-Sensing Power Supply
• Output Power Detection
• Optional Internal 1:1 Redundant Capability
• Optional Serial (RS-232 / RS-485) or Parallel Monitor & Control Circuitry
• Optional Windows Monitor & Control Software
• Optional gain control (on selected configurations)


Equipment Supplied


The following equipment is supplied witheach unit:
• The Outdoor Transmitter Assembly
• Prime Power Mating Connector, MS3106E16-10S
• M & C Mating Connector, MS3106E20-29P (where applicable)
• CD with Alga Microwave Monitor & Control Software (where applicable)



General Information



Safety Considerations

Potential safety hazards exist unless proper precautions are observed when working with this unit. Toensure safe operation, the user must follow the information, cautions, and warnings provided in this manual as well as the warning labels placed on the unit itself.


High Voltage Hazards

Only qualified service personnel should service the internal electronic circuitry of the Outdoor Transmitter. High DC voltages (400 VDC) are present in the power supply section of the amplifier. Care mustbe taken when working with devices that operate at this high voltage levels. It is recommended to never work on the unit or supply prime AC power to the unit while the cover is removed.


RF Transmission Hazards

RF transmissions at high power levels may cause eyesight damage and skin burns. Prolonged exposure to high levels of RF energy has been linked to a variety of health issues. Please...