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High power solid state rf amplifier for proton accelerator.

Akhilesh Jain1, Deepak Kumar Sharma, Alok Kumar Gupta

  • 1Raja Ramanna Centre for Advanced Technology (RRCAT), Indore 452 013, India. ajain@cat.ernet.in

The Review of Scientific Instruments
|February 6, 2008
PubMed
Summary
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Researchers developed a 1.5 kW solid-state radio frequency (RF) amplifier for a proton linear accelerator. This efficient and cost-effective RF source utilizes eight amplifier modules for continuous wave operation.

Area of Science:

  • Physics
  • Engineering

Background:

  • Proton linear accelerators require robust radio frequency (RF) power sources for continuous wave (CW) operation.
  • Existing RF sources may present limitations in efficiency, cost, or fabrication.

Purpose of the Study:

  • To develop and test a high-power, solid-state RF amplifier for a 100 MeV proton linear accelerator.
  • To achieve a CW RF output power of 1.5 kW at 352 MHz.

Main Methods:

  • Designed and fabricated indigenous amplifier modules (220 W each).
  • Developed an eight-way power combiner and divider network.
  • Integrated eight amplifier modules to achieve the target RF power.
  • Tested the complete RF amplifier system at 352 MHz for CW operation.

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Main Results:

  • Successfully developed a 1.5 kW solid-state RF amplifier operating at 352 MHz.
  • Achieved the target RF power by combining the output of eight 220 W amplifier modules.
  • Indigenous design of amplifier modules, power combiner/divider, and directional coupler.

Conclusions:

  • The developed solid-state RF amplifier meets the requirements for the 100 MeV proton linear accelerator.
  • The design emphasizes high efficiency, ease of fabrication, and low cost.
  • This indigenous development offers a viable RF power solution for accelerator applications.