R&S N 8000 Series System Manual page 51

CONTENTS
1 Design and Function ....................................................................... 1
1.1 Power Distribution ..........................................................................................5
1.1.1 Main Switch (Power Supply Terminal) .........................................................6
1.1.2 Motor Protection Switches ............................................................................6
1.1.3 Automatic Line Fuses ...................................................................................7
1.1.4 Power Distribution Board ..............................................................................8
1.1.5 Auxiliary Power Supply Unit .........................................................................9
1.1.6 Optional Socket ..........................................................................................10
1.1.7 Grounding Bolt ...........................................................................................10
1.2 Transmitter Control Unit ..............................................................................11
1.2.1 R&S NetCCU800 ........................................................................................11
1.2.2 Rack Controller ...........................................................................................11
1.3 Connection Panel .........................................................................................13
1.4 Exciter Unit ....................................................................................................14
1.4.1 Exciter ........................................................................................................15
1.4.2 Exciter Switch .............................................................................................15
1.5 Output Stage Unit .........................................................................................15
1.5.1 Splitter ........................................................................................................17
1.5.2 Amplifier .....................................................................................................18
1.5.3 Combiner ....................................................................................................18
1.5.4 Absorber .....................................................................................................19
1.6 Directional Coupler Lightning Protection System ....................................21
1.6.1 Lightning Arrester .......................................................................................21
1.6.2 Directional Couplers ...................................................................................22
1.6.3 Directional Coupler Interface ......................................................................23
1.7 Harmonics Filter ...........................................................................................23
1.8 RF Connector ................................................................................................24
1.9 Cooling System ............................................................................................25
1.9.1 Intake/Exhaust Air Ducts ............................................................................26
1.9.2 Fans ...........................................................................................................27
1.9.3 Starting Capacitors .....................................................................................28
1.9.4 Differential Pressure Gages .......................................................................29
1.9.5 Temperature Sensors .................................................................................30
2098.0188.72
Chapter 2
- 2.01 -
Design and Characteristics
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