Surf these sites: ATC Thin Film Products -- ATC Chip caps for probe builers. Non-magnetic capacitors. American Trans-Coil Corp -- RF components for NMR probes and amplifiers. HP RF Products -- Specialized RF parts from HP, quite a few application notes, and a nice catalog. Johanson Ceramic Capacitors -- Manufacturers of Ceramic Capacitor Chips and ceramic electronic components for surface mount & RF wireless circuit applications Johnson Components, Inc. -- Miniature and sub-miniature RF, non-magnetic connectors. Also RF adapters, between series and other RF "goodies". Merrimac Industries, Inc. -- RF components and assemblies MiniCircuits -- The solid source for RF / IF NMR components. Miteq -- Maker of very nice RF preamps, with low Noise Figures. Pasternack Enterprises -- All manner of handy RF adapters, cables and related stuff. Polyflon Company Home Page -- High Power non-magnetic variable caps. RF Parts Company -- Large inventory of hard-to-find products for the repair of commercial radio equipment. Voltronics Corporation -- non-magnetic trimmers and capacitors
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