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.
Found in an English documentation from 1989, this font uses current components. Rectifier bridges can...
This sensor circuit for currents of the order of nanoamperes was found in an American...
This TTL sequential flasher circuit was found in the January 1981 issue of Radio Electronics...