[en] For the Booster and Driver rings of the TRIUMF KAON Factory, the resonant supply configuration dictates certain constraints on the magnet design. As the magnets are excited in series, the uniformity of the magnets is a primary concern. The inductance of the magnets must be carefully controlled to assure that the stored energy in the inductive components are the same. As the resonant system is comprised of a number of resonant cells, it is important that the cells be matched as closely as possible to assure the magnetic field as a function of time in the various families of magnets is the same. This implies careful control of the mechanical configuration as well as the amount of steel in each magnet