Found in an American publication, this circuit makes use of transistors from the time. Components can be changed according to desired characteristics.
Maxim MAX20094 and MAX20095 Battery Chargers Maxim Integrated offers through Mouser Electronics high...
This circuit suggested by Intersil, provides a Kelvin scale of 3 and a half digits in a 7106, with...
Found in National Semiconductor documentation from the 1990s, this circuit switches video signals to...