This simple 6 V source stabilized by zener diode was found in a European technical publication from 1972, but it is current for its simplicity and the components it uses.
This circuit improves the shape of an input pulse by smoothing it out to make it more appropriate for the...
This circuit of old medical documentation generates pulses in a ratio of 20 to 300 and duration of 3...
This circuit was obtained in a Japanese documentation from the 1960s. It uses a germanium...