JFET amplifier stage (CB7523E)

This circuit was found in a 1982 Maplin documentation. The configuration applies to almost any JFET.

30-hour timer (CB21403E)
This high-precision circuit was found in a 1969 documentation. The components are from the period. R1...
MW Wireless Microphone (CB21134E)
This simple wireless microphone circuit for the MW band was found in an old American...
Module Intel Curie (COM069E)
August 2016 - It can be obtained from Mouser Electronics, Modules Intel Curie low power containing...