Found in a 1969 EDN, this circuit uses components from that time. Modern equivalent transistors can be used.
El convertidor A / D de alta velocidad ADC12181 está indicado para aplicaciones en procesamiento de...
This circuit uses a not easy to find IC these days. The circuit sources 15 W to a 4 ohm load and...
Generating sinusoidal signals from 1.5 to 15 kHz, this oscillator uses common complementary...