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Neutrodyne receivers solved some problems associated with earlierNeutrodyne receivers solved some problems associated with earlier TRF receivers including solving the well known squealing problem during tuning. Consumer neutrodyne receivers had a recognizable three dial tuning arrangement. They were less expensive to produce than the superheterodyne receiver. However due to inferrior performance and the eventual licensing of the superheterodyne design by RCA to other manufacturers, the neutrodyne receiver quickly disappeared.