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Advancements in Solid State Power Amplifiers

Explore the current status of solid-state technology in power amplifiers, comparing it to traditional transistor technology, and the trends shaping the future development. Learn about amplifier topology, bandwidth, power supply, and combining/splitting schemes. Discover how transistor technology is evolving, offering increased output power, cost-efficiency, and smaller sizes. Stay informed about the dominant LDMOS technology and the evolving requirements for supporting components.

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Advancements in Solid State Power Amplifiers

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  1. Workgroup: Solid State Power Amplifier - Outlook M. Gaspar

  2. Present Solid State Technology Status Transistor Technology versus Maximum Power

  3. Present Solid State Technology Status Transistor Survey

  4. Present Solid State Amplifier Status • Amplifier Topology: • Amplifier Bandwidth:

  5. Present Solid State Amplifier Status • Amplifier Power Supply: • Power Combining/Sppliting Schemes:

  6. Conclusions • Transistor technology is in continuous development in contrast with vacuum tube technology. • Larger and larger single transistor ouput power is becoming available. • Expected continuos decrease in Price/Watt and Size/Watt. • Increase in power supply voltage will increase maximum available output power. • LDMOS seems to be the dominant technology. • As the available ouput power increases the requirements for other components as circulators, loads • and capacitors will become more and more critic. • Power supply components are improving and getting smaller with better eficiency.

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