This circuit was developed to find intermittent defects in an electrical control. In the event of a defect, the circuit fires indicating the moment of occurrence.
This VCO or Voltage Controlled Oscillator uses an 8038 integrated circuit that is not very easy to...
This circuit was obtained in a 1978 publication, but it can be assembled with equivalent...
This circuit serves to reinforce the AM band signals for receivers that use an external antenna. The...