This circuit was suggested by Signetics in 1980s documentation. The circuit makes use of the hard-to-obtain component of our day. It is for reference only.
This double source with current limiter and voltage adjustment was found in documentation from the...
This basic configuration of an astable multivibrator was found in a publication of the year 1968....
This medium wave radio with 7 germanium transistors was manufactured in Japan in the 1960s. Its...