This circuit was obtained from Signetics documentation from the 80's. The components used are from that time. The circuit can serve as a basis for repair, maintenance or projects with modern components.
This 1969 Mullar circuit appears elsewhere on this site. The circuit uses germanium diodes and the...
-- We find this configuration very simple in a previous American publication of 1973. The...
Found in Radio Electronics from the 90s, this circuit has frequency and active cycle adjustment....