LIST OF ILLUSTRATIONS -- Continued Figure Page 4-44 Noise Output of Preamplifier Stages 4-59 4-45 Amplifier - Noise Power Output 4-60 4-46 Klystron Parameters for 60 kW Beam 4-62 4-47 Waveguide Losses Vs RF Power Per Tube 4-63 4-48 Power Divider 4-64 4-49 Klystron Parameters (Electronic Efficiency = 84%) 4-65 4-50 Total Efficiency with Waveguide Losses 4-66 4-51 Klystron System Efficiency Including Waveguide Losses 4-67 4-52 Klystron Equivalent Filter Characteristic 4-68 4-53 Amplitron Equivalent Filter Characteristics 4-70 5-1 Typical Solar Cell Characteristics Based on 1985 Cell With No Concentrators 5-2 5-2 Source Voltage Characteristics Solar Cell 5-4 5-3 Total Source Characteristics 5-4 5-4 Klystron-Solar Cell Interface 5-5 5-5 Klystron Operation Available Power Usage 5-6 5-6 Amplitron-Solar Cell Interface 5-7 5-7 Quadrant of Microwave Platform Divided Into Areas of Equal Power 5-8 5-8 Circular Power Flow 5-9 5-9 Power Distribution Lateral Power Flow 5-10 5-10 Distribution System Weight Estimate (15 GW Input Power) 5-12 5-11 Microwave Array - Magnetic Torque - Lateral Power Flow 5-13 5-12 Microwave Array - Magnetic Torque - Radial Power Flow 5-14 5-13 Amplitron Failure Modes and Probable Results 5-16 5-14 Klystron Failures and Probable Results 5-17 5-15 Concept for Converter/Crowbar Interface 5-18 5-16 Crowbar and Switchgear Distribution 5-21 5-17 Power Distribution System Short Circuit Currents 5-22 5-18 Simplified Diagram - HVDC Interrupter 5-24 5-19 Power Distribution Cost Summary (9 GW Power Source) 5-26 5-20 Power Distribution Weight Summary (9 GW Power Source) 5-26 5-21 Typical Microwave Array, Power Usage 5-27
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