Found in a 1964 Electronic Design, this circuit generates 1 A pulses with durations from 100 us to 10 ms. The circuit makes use of transistors of the time.
With the configuration shown in the figure, a common 12 V lamp lights up when light no longer...
This circuit was obtained in documentation on medical applications from 1966. The circuit is used in...
We found this circuit in an Australian publication from 1991. The circuit has good sensitivity, presenting...