This circuit was found in Motorola documentation from 1969. The transistors are from that time. The pulses are 200 ns with 500 mA. Observe the high supply voltage.
This circuit was found in a Japanese documentation of the 70's. It uses transistors of the era and is...
The circuit shown in the figure is based on the ST Microelectronics TDEO0160 (www.st.com) and...
This lead-acid battery charger was found in a Popular Electronics from the 90s. The circuit has a...