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 triggers a load that depends on the characteristics of the transistor when we touch...
This circuit was obtained from Popular Electronics of the 1990s. It makes use of a mercury switch that...
This circuit was obtained from Linear Technology documentation from the 90s. The circuit uses...