Suggested by an American publication of 1964 this circuit is intended for the capture of signals from film tracks recorded by optical systems, common at the time.
This circuit can be used as a modulator for TV games. The circuit is from a 1975 publication. The...
With the circuit shown in the figure it is possible to generate signals up to a frequency of 110...
This circuit was found in a 90s Popular Electronics. It is possible to analyze the voltages of an...