This battery-powered micropower supply was shown in Radio Electronics magazine in 1991. The maximum current is 170 mA. and the integrated circuit is the MAX655 from Maxim.
We found this complementary simetry configuration in a1980s documentation. Transistors, which are...
Found in a 1968 Motorola documentation, this circuit operates at 1 kHz and can deliver 20 V from...
This circuit was found in an English magazine from 1976. The transistors can be the BC548. The...