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.
We found this circuit in a 1968 Motorola publication. The circuit has a charge current of 16 A...
This code practice oscillator was found in an English publication from the 80's. The circuit can...
This sinusoidal oscillator is from the 1994 National Semiconductor Linear Applications Manual but...