AR 10041451, Operating And Service Manual, Page: 15 / 56

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TABLE OF CONTENTS
TABLE OF CONTENTS ................................................................................................... i
1. GENERAL INFORMATION .............................................................................. 1
1.1 General Description ................................................................................................ 1
1.2 Specifications ......................................................................................................... 1
1.3 Power Supplies ....................................................................................................... 1
1.4 Protection Circuits .................................................................................................. 2
1.5 Installation .............................................................................................................. 2
1.5.1 Location .................................................................................................................. 2
1.5.2 Power ...................................................................................................................... 2
2. OPERATING INSTRUCTIONS ........................................................................ 5
2.1 General ................................................................................................................... 5
2.2 Control and Indicator Functions ............................................................................. 5
2.2.1 Keylock Switch ...................................................................................................... 5
2.2.2 Power Switch .......................................................................................................... 6
2.2.3 Main Power ............................................................................................................ 7
2.2.4 RF ON/OFF ............................................................................................................ 7
2.2.5 Reset Function ........................................................................................................ 8
2.3 Digital Control Panel (DCP) Operations ................................................................ 8
2.3.1 RF GAIN Control ................................................................................................. 10
2.4 Inputs and Outputs ............................................................................................... 10
2.4.1 RF Input................................................................................................................ 10
2.4.2 RF Output ............................................................................................................. 10
2.4.3 IEEE-488, USB, and RS-232 Interfaces .............................................................. 10
2.4.4 Safety Interlock Connector ................................................................................... 10
2.5 Amplifier Operation ............................................................................................. 11
2.5.1 Local Operation .................................................................................................... 11
2.6 Remote OPERATION .......................................................................................... 11
2.6.1 IEEE-488 (GPIB) Communication....................................................................... 11
2.6.2 RS-232 Communication ....................................................................................... 12
2.6.3 Fiber-Optic Serial Communication ...................................................................... 13
2.6.4 USB Communication ........................................................................................... 13
2.6.5 Ethernet Communication ...................................................................................... 14
2.6.6 Remote Commands .............................................................................................. 14
3. THEORY OF OPERATION ............................................................................. 25
3.1 Introduction .......................................................................................................... 25
3.2 RF Amplifier Operation ....................................................................................... 25
3.2.1 A1 Pre-Amp (Schematic No. 10033970) ............................................................. 25
3.2.2 A2, A4-A7 Driver Amps (Schematic 10036226, 10028316, 10033603) ............. 26
3.2.3 A12 through A27 Output Power Amplifiers (Schematic 10036226, 10028316,
10033603) ........................................................................................................... 26
3.2.4 A3, A8 through A11 Four-Way Splitter ............................................................... 26
3.2.5 A28 Sixteen-Way Combiner ................................................................................ 26
3.2.6 A29 Dual Directional Coupler ............................................................................. 27
3.2.7 Detector Assembly ............................................................................................... 27
3.3 Power Supplies (PS1, PS2 and PS3) .................................................................... 27