A new loop and fold wave-guide ion cyclotron resonance frequency (ICRF) antennawith a power output of 3 MW, which can operate at a frequency in the range of 30 MHz to110 MHz, was designed. The design of key components of the new ICRF antenna and the charactersof the new prototype ICRF antenna are presented. The thermo-mechanical analysis of boththe Faraday shield and the current straps was conducted, and the stresses due to heat loads arestudied in detail with different cooling-water velocities considered. In addition, the movability ofprototype ICRF antenna under vacuum condition by the driving system was tested. An engineeringcommissioning was successfully performed on the prototype ICRF antenna using the originaltransmitter. The results are close to the expected.
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