Table of Contents
Amplifier Features ...........................................................................................................3
Power Supply Features ....................................................................................................4
ALS-600PS ..........................................................................................................4
ALS-600SPS ........................................................................................................4
ALS-600PS and ALS-600SPS.............................................................................4
General Information.........................................................................................................4
Amplifier..............................................................................................................4
Power Supply.......................................................................................................5
Export Modifications ...........................................................................................5
Technical Assistance............................................................................................5
Amplifier Circuitry ..........................................................................................................6
Wattmeter Circuits ...............................................................................................6
ALC (Automatic Level Control)..........................................................................6
Thermal Overload ................................................................................................7
Load Fault Indicator.............................................................................................7
SWR Considerations............................................................................................8
Power Supply Circuitry (ALS-600PS) ............................................................................9
Line Voltage Modifications .................................................................................9
High Voltage Section...........................................................................................10
Primary Circuit ....................................................................................................10
Low Voltage Circuits...........................................................................................10
Switching Power Supply Circuitry (ALS-600SPS) .........................................................10
Line Voltage ........................................................................................................10
High Voltage Section...........................................................................................11
Primary Circuit ....................................................................................................11
Low Voltage Circuits...........................................................................................12
Installation .......................................................................................................................12
Amplifier Location...............................................................................................12
Power Supply Location........................................................................................12
Grounding ............................................................................................................12
Power Requirements ............................................................................................13
