Figure 104. Waveguide operating modes.
When a circulator is used with microwave communication equipment, its purpose is to
cause circulation of the RF energy in a rectangular waveguide.
provide air circulation around a multicavity klystron power amplifier.
circulate the liquid coolant around a multicavity klystron power amplifier.
mode launchers. The purpose of the mode launcher is to
change the RF energy from one mode to another.