TT Electronics MMG has created a new ferrite sample kit for RF engineers. It contains a variety of soft ferrite core materials in toroid, balun, and square geometries. The firm manufactures a full range of soft ferrite cores in both manganese-zinc and nickel-zinc grades. The sample kit can be used for the design of RF mixers, splitters, and couplers. Each kit costs $149. The price will be refunded upon the placement of a purchase order within 12 months of a minimum value of $500. For more information, visit: