Found in older Signetics documentation, this circuit generates signals from 30 Hz to 25 kHz. Operational amplifiers are from the time, as is the matching pair of transistors.
This simple LDO, or low voltage drop regulator was found in an Electronic Design from the 90s. The...
Several are the manufacturers of the LM150, 250 and 350 series of 3 A regulators. The circuit...
This circuit was found in a 1963 magazine, but can still be easily assembled with some current...