We found this circuit in the March 1995 issue of Electronics Now magazine. The circuit has a frequency range determined by C1 and R3. The signal generated is square.
For analog lines, this circuit was found in the August 1994 issue of Electronics Now magazine. The...
This circuit, with two operationals, was obtained from an old American publication. Operational...
In the figure we have a two-stage amplifier circuit showing the voltages at various points. The...