Found in a Popular Electronics from the 90s, this circuit generates signals from 2 Hz to 30 kHz in different bands. The circuit can be powered by voltages from 5 to 12 V, depending on the application.
We found this circuit in factory documentation from the 70s. The operational amplifier is from...
This circuit is from a Radio Electronics from the 90's. The integrated circuit is from the time...
This circuit was found in an old American publication. It is valid for any operational. Formulas for...