AR 350AH1A, Operating And Service Manual

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TABLE OF CONTENTS
ADDENDUM ...................................................................................................................... i
TABLE OF CONTENTS .................................................................................................. i
1. GENERAL INFORMATION ............................................................................. 1
1.1 General Description ............................................................................................... 1
1.2 Specifications ......................................................................................................... 1
1.3 Power Supplies ...................................................................................................... 2
1.4 Protection Circuits ................................................................................................. 2
1.5 Installation ............................................................................................................. 2
1.5.1 Location ................................................................................................................. 2
1.5.2 AC Power ............................................................................................................... 3
1.6 Connectors ............................................................................................................. 3
1.6.1 Amplifier Input Connector ..................................................................................... 3
1.6.2 Amplifier Output Connector .................................................................................. 3
1.6.3 Safety Interlock Connector .................................................................................... 3
1.6.4 Communications Connectors ................................................................................. 3
2. OPERATING INSTRUCTIONS ........................................................................ 7
2.1 General ................................................................................................................... 7
2.2 Control and Indicator Functions ............................................................................ 7
2.2.1 Keylock Switch ...................................................................................................... 7
2.2.2 Power Switch ......................................................................................................... 7
2.2.3 Main Power Circuit Breaker .................................................................................. 8
2.2.4 RF ON/OFF ........................................................................................................... 9
2.2.5 Reset Function ....................................................................................................... 9
2.3 Digital Control Panel (DCP) Operations ............................................................... 9
2.3.1 Amplifier Operating Mode .................................................................................. 10
2.3.2 Adjusting Amplifier Controls .............................................................................. 10
2.4 Inputs and Outputs ............................................................................................... 11
2.4.1 RF Input ............................................................................................................... 11
2.4.2 RF Output ............................................................................................................ 11
2.4.3 IEEE-488, USB, and RS-232 Interfaces .............................................................. 11
2.4.4 Safety Interlock Connector .................................................................................. 11
2.5 Amplifier Operation ............................................................................................. 12
2.5.1 CW Mode ............................................................................................................. 12
2.5.2 Bridge Mode ........................................................................................................ 13
2.5.3 Parallel Mode ....................................................................................................... 14
2.6 Remote Communications ..................................................................................... 15
2.6.1 IEEE-488 (GPIB) Communications .................................................................... 15
2.6.2 RS-232 Communications ..................................................................................... 16
2.6.3 Fiber-Optic Serial Communications .................................................................... 16
2.6.4 USB Communications ......................................................................................... 17
2.6.5 Ethernet Communications .................................................................................... 17
2.6.6 Remote Commands .............................................................................................. 18
3. THEORY OF OPERATION ............................................................................ 27
3.1 General ................................................................................................................. 27