Supplemental Material

Supplemental Material Provided by Mr. Diamond

A magazine ad showing some of the RCA portable transistor radios of the period.

An RCA sales sheet describing features of some of the portable radios Mr. Diamond designed.

A photo of Mr. Diamond's RCA intramural bowling team, which won the championship in 1965.

Images from RCA service notes showing some of the radios Mr. Diamond designed.

An article co-written by Mr. Diamond on the application of ceramic filters to broadcast receivers.

An application note co-written by Mr. Diamond on the application of ferrite beads to AM transistorized receivers.

An article written by two of Mr. Diamond's colleagues regarding the overload design considerations that went into a radio he designed, the RFG20.

Finally, a photo of an interesting RCA "beanbag" radio design of the period.