This circuit generates quadrature signals, that is, with a 90-degree phase difference. The circuit must be powered by a symmetrical source and the frequency depends on the capacitors.
This circuit was found in a Popular Electronics of the 90's. The circuit makes use of common...
We found this circuit in a 1997 publication, but by the components used it can still be assembled today...
This circuit was found in a 73 magazine for radio amateurs from the 90s. The circuit uses high...