This circuit is from a 1967 Triplett manual. The circuit uses components of the time, the common FET and the general-purpose bipolar transistor.
This traditional configuration from a simple 12 V source is from a 1977 publication. The...
This circuit split the voltage of a Power supply allowing it to be used as dual supply. The limit...
This complex circuit with many digital components measures inductances in 6 ranges ranging from 100...