This 5V power supply with a 1.5 to 3 A current was found in Maxim documentation from the 90s. The integrated circuit is the MAX741D.
This circuit was found in a 90s Popular Electronics. With it, using a 4066, it is possible to...
This circuit was found in a Popular Electronics from the 90s. The circuit has temperature...
In the figure we have the basic application of an LM3900 transconductance amplifier, as suggested by...