This circuit was found in a Popular Electronics documentation from the 90s. It is possible to switch the frequency of an oscillator by voltage. The circuit can act as a shield.
This small voltage regulator was found in a 1969 EEE. More powerful transistors can be used to...
Found in a documentation from the 90s, this circuit has a typical accuracy of 2% with 20 V signals at...
We obtained this circuit from an old European publication. It generates sinusoidal signals...