This circuit is from an 80's publication. It makes use of small 6 V x 50 mA incandescent lamps. The diodes can be general purpose or even 1N4002. The transformer is 6.3 V with 100 mA or more current.
This code practice oscillator was found in an English publication from the 80's. The circuit can...
This circuit that also has a Power On reset was obtained from a 2005 Linear Technology manual. The...
This circuit is based entirely on TTL gates. The circuit must be powered by a voltage of 5...