This monostable circuit, from a 1977 Radio Shack documentation, uses a 7400. The time is given by the capacitor and the power must be supplied with 5 V.
) The integrated circuit used in this control is uncommon today and the maximum current obtained allows...
This flasher or neon signal powered by batteries was found in old documentation. The transformer must...
This circuit amplifies signals from 10 MHz to 500 MHz with a gain of 10 dB. We found it in...