This circuit is from documentation from 1965 but can be easily implemented today using modern transistors. We can use BD136 for Q1 and TIP42 for Q2. The TIP must be equipped with a heat sink.
August 2017 - Mouser Electronics has already for dispatch Microchip MIC28515 Controlled Regulators for...
This circuit was found in a 1978 English magazine. It is a configuration that aims to select the...
Found in an Electronic Design from the 90's, this circuit simulates a 100 W resistor. The power...